Chain Reaction UK

Chain Reaction UK Rating
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About Chain Reaction UK
Chain Reaction Cycles (CRC) are based in Doagh, in Northern Ireland, originally started out as Ballynure Cycles in 1984 and changing their name after a move to a new shop in 1989. In 2011 they opened a 10,000sq ft standalone retail store in Belfast, Northern Ireland. By 2013 they had become the largest online bike shop in the world!

CRC exists to deliver a world class shopping experience to cyclists around the globe, offering the lowest prices on everything you need to feed your cycling habit, and delivering directly to you with no fuss.
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We currently have 41186 products listed for Chain Reaction UK, that's 41186 opportunities for you to save money!

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Chain Reaction UK have 41186 products listed

ISM PN 1.1 Bike Saddle - Black, Black
  • £134.99

ISM PN 1.1 Bike SaddleWhen you’re putting the power down to break away from the peloton, the PM 1.1 gives you the clearance and support to make the most of every pedal stroke. ISM has based it on its top-selling Attack model but added extra foam and gel padding, making it ideal for riding in thin triathlon racing suits. UCI-legal, this saddle can be used in professional road races and time trials (TTs) at all levels. At 110mm wide, it’s ideal for riders with narrow sit bones and with ISM’s patented, nose-less design pressure is reduced on sensitive areas. ISM (Innovative Saddle Makers) saddles are a revolution within the cycling industry. Their nose-less design means there is no loss of blood flow, no numbness and ultimately, less pain and more comfort. Unlike many saddle manufacturers, ISM does not have gender-specific models. Their saddles are designed to relieve pressure and improve comfort for both men and women alike.Features: Padding: 40-Series Foam and Gel (highest level of padding) Rails: Satin Steel 7x7mm Use: Road, Time Trial, Triathlon Dimensions: 270x110mm (LxW) Same shape as the PN 1.0, with extra padding Patented design allows full blood flow and reduces numbness Unisex design, suitable for women and men UCI legal, suitable for use in all road races and time trials Particularly suitable for triathlon and time trials Increased freedom of movement and more saddle length for climbing The narrowest shape of ISM saddles, with maximum thigh clearance Weight: 400g To get the most from your saddle, follow ISM's Saddle Installation Instructions HERE.Buy ISM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ISM PN 1.1 Bike Saddle - White - 110mm Wide, White
  • £134.99
  • RRP £150.00
  • Saving you £10

ISM PN 1.1 Bike SaddleWhen you’re putting the power down to break away from the peloton, the PM 1.1 gives you the clearance and support to make the most of every pedal stroke. ISM has based it on its top-selling Attack model but added extra foam and gel padding, making it ideal for riding in thin triathlon racing suits. UCI-legal, this saddle can be used in professional road races and time trials (TTs) at all levels. At 110mm wide, it’s ideal for riders with narrow sit bones and with ISM’s patented, nose-less design pressure is reduced on sensitive areas. ISM (Innovative Saddle Makers) saddles are a revolution within the cycling industry. Their nose-less design means there is no loss of blood flow, no numbness and ultimately, less pain and more comfort. Unlike many saddle manufacturers, ISM does not have gender-specific models. Their saddles are designed to relieve pressure and improve comfort for both men and women alike.Features: Padding: 40-Series Foam and Gel (highest level of padding) Rails: Satin Steel 7x7mm Use: Road, Time Trial, Triathlon Dimensions: 270x110mm (LxW) Same shape as the PN 1.0, with extra padding Patented design allows full blood flow and reduces numbness Unisex design, suitable for women and men UCI legal, suitable for use in all road races and time trials Particularly suitable for triathlon and time trials Increased freedom of movement and more saddle length for climbing The narrowest shape of ISM saddles, with maximum thigh clearance Weight: 400g To get the most from your saddle, follow ISM's Saddle Installation Instructions HERE.Buy ISM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fox Racing Defend Pro Cycling Trousers SS22 - DRK SHDW - 28}, DRK SHDW
  • £134.99
  • RRP £179.99
  • Saving you £25

Fox Racing Defend Pro Cycling TrousersThanks to their large Cordura® knee and hip panels, the Fox Racing Defend Pro Cycling Trousers are made to meet the demands of the toughest and most testing of trail-riding conditions. If you're riding close to your limits, and sometimes beyond, you'll inevitably take a trip to the dirt. And then there are the overgrown bushes and tree branches alongside the trails. When mountain biking you'll be glad to have the extra toughness of the Defend Pro Cycling Trousers and their durable Cordura® panels. Meanwhile, to keep you comfortable and mobile on your bike, the Defend Pro Cycling Trousers make use of two Fox technologies, TruMotion® and TruDri®. The TruMotion® all-way stretch fabrics bring you a brilliant level of mobility, keeping you quick and agile as you take on the challenges of mountain bike trails.Meanwhile, TruDri® deals with any sweat build-up. It's quick to wick away moisture, and in combination with both mesh panel and the laser-cut ventilation front and rear, prevents discomfort during more intense and hot weather MTB sessions.Features:Materials: 88% Polyamide, 12% ElastaneZippered hand pockets provide storage for all-day park lapsLarge Cordura® knee and hip panels for all over abrasion resistanceTruDri® fabrics move sweat away from the body to keep you dryTruMotion® all-way stretch fabric offers a full range of mobilityProven race-ratchet closure provides secure fit and quick on-the-fly adjustmentsTapered lower leg with elastic cuff opening keeps the pant as close to the ankle as possibleLaser-cut perforations front and rear provide increased coolingDurable Water Repellent finish sheds moisture, dirt, and debrisBuy Fox Racing Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fox Racing Defend Pro Cycling Trousers SS22 - DRK SHDW - 38}, DRK SHDW
  • £134.99
  • RRP £179.99
  • Saving you £25

Fox Racing Defend Pro Cycling TrousersThanks to their large Cordura® knee and hip panels, the Fox Racing Defend Pro Cycling Trousers are made to meet the demands of the toughest and most testing of trail-riding conditions. If you're riding close to your limits, and sometimes beyond, you'll inevitably take a trip to the dirt. And then there are the overgrown bushes and tree branches alongside the trails. When mountain biking you'll be glad to have the extra toughness of the Defend Pro Cycling Trousers and their durable Cordura® panels. Meanwhile, to keep you comfortable and mobile on your bike, the Defend Pro Cycling Trousers make use of two Fox technologies, TruMotion® and TruDri®. The TruMotion® all-way stretch fabrics bring you a brilliant level of mobility, keeping you quick and agile as you take on the challenges of mountain bike trails.Meanwhile, TruDri® deals with any sweat build-up. It's quick to wick away moisture, and in combination with both mesh panel and the laser-cut ventilation front and rear, prevents discomfort during more intense and hot weather MTB sessions.Features:Materials: 88% Polyamide, 12% ElastaneZippered hand pockets provide storage for all-day park lapsLarge Cordura® knee and hip panels for all over abrasion resistanceTruDri® fabrics move sweat away from the body to keep you dryTruMotion® all-way stretch fabric offers a full range of mobilityProven race-ratchet closure provides secure fit and quick on-the-fly adjustmentsTapered lower leg with elastic cuff opening keeps the pant as close to the ankle as possibleLaser-cut perforations front and rear provide increased coolingDurable Water Repellent finish sheds moisture, dirt, and debrisBuy Fox Racing Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Tiagra 4720 10 Speed Shifter - AU - Black - Right}, Black
  • £134.99

Shimano Tiagra 4720 10 Speed Shifter - AUShips from Australia - Estimated delivery in 2-4 business days.This solid shifter offers excellent entry-level riding performance with trickle-down technologies from Shimano's top-tier lines. Using its reach adjust mechanism you can customise it to suit your hand size, riding style and individual preferences, for better comfort and control in all conditions. Its smooth and effortless operation makes shifting easy, thanks to its redesigned internal shifting unit. What's most impressive, is this model delivers the same level of shifting actuation as the high-end Dura Ace series at an affordable price.Features: Use: Road Speed: 10 speed Recommended Brake Caliper: BR-4770 Reach Adjust: Tooled Type: Dual control lever Oil: Mineral oilTechnologies: Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that "click" you hear and feel every time you shift through your gears. That "click" captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony and the feeling that resonates into your hand, letting you know that your commands are being answered. Reach Adjust: Its brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ULTIMATE USE Boom Riser Mountain Bike Handlebars - Black - 35.0mm, Black
  • £134.99

ULTIMATE USE Boom Riser Mountain Bike HandlebarsThe ULTIMATE USE Boom Riser Handlebar is the bar of choice for 2016 UCI number 1 ranked pro 4X rider and 2017 British 4X National Champion Scott "Boom Boom" Beaumont. It's constructed with a premium unidirectional carbon layup and at 800mm wide and 35mm in diameter, it offers the low weight and strength you need for racing.Race-Ready GeometryFeaturing 30mm of rise, 7.5-degrees of backsweep and 5-degrees of upsweep, the Boom Riser bar puts you in the ideal position for control. Also, to help you to dominate the roughest terrain, ULTIMATE USE has incorporated an anti-vibration taper technology to dampen sudden impacts. The bars are finished off with stealth black graphics over a matt finish give them a subtle, understated look.Features: Material: Carbon Fibre Finish: UD Matt Sweep: Backsweep: 7.5°; Upsweep: 5° Weight: 220gBuy ULTIMATE USE Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Exposure Boost DB and Boost-R ReAKT Light Pack - Gun Metal Black - 325/80 Lumens}, Gun Metal Black
  • £134.99

Exposure Boost and TraceR MK2 Light PackThe definitive, lightweight front and rear light set for urban commuting or daytime visibility. Utilising the form of the Trace and Trace R lights the BOOST and BOOST-R RA offer more Lumens out front, 325 or twice the run time, up to 48 hours, to safe guard the rear; USB charging for convenience, a choice of 6 burn times, DayBright pulse pattern and a specific lens design to ensure that the one LED has the power to penetrate through the urban traffic and side illumination for 360 ̊ visibility from over 1 kilometre away, with the BOOST-R RA packed with ReAKT and Peloton technology to make sure this front and rear pack is ready for any activity day or night.In the Box: BOOST DB & BOOST-R ReAKT, Seatpost Mount, Handlebar Mount, 2 x Micro USB Charge Cable, QS Guide.Features: Material: Anodised 6063 Aluminium LEDs: 1x White XPL2; 1x Red XPE-R IP Rating: IP65 Max Lumens: Front: 325; Rear: 80 Battery: 1400 mAh Lithium Ion Runtime: 6 - 48 hours Burntime: Min: 6 hours; Max: 48 hours Charging Time: 4 Hours Dimensions: Length: 66mm; Head: 28mm; Back: 22mm Weight: 45g (each)Technologies: Reakt: Rear lighting that flares up automatically under braking. It can also intelligently adapt to the surrounding ambient light conditions to maintain maximum contrast and visibility, for example brightening for street lit areas and moving into sunlight from shade. OMS: Various programs in the lights can easily be selected to offer a choice of run times and modes so you can find the right one for your ride, be it an all-night adventure or an intense blast. ITM: Patented circuitry within the light will reduce power to the LEDs, if they go beyond the optimum temperature, keeping the light as efficient as possible to maximise output and battery capacity. Once the light has cooled, the power is automatically restored. Fuel Gauge: Using a traffic light system remaining runtime is easily monitored at a glance so you're not caught out. The colour feedback is also used for mode selection, before defaulting back to runtime. Day Bright: Bespoke pulse pattern designed for daylight use which is more conspicuous than a regular pulse and visible over a kilometre away, even in the brightest conditions. DayBright mode will you noticed. Be Seen be Safe.Manufacturer's Part Number: EXPBOOSTPACKRAGMBBuy Exposure Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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crankbrothers Mallet E Speedlace MTB Clipless Shoe 2021 - Green - Blue - UK 9}, Green - Blue
  • £134.99
  • RRP £149.99
  • Saving you £10

Crankbrothers Mallet E Speedlace MTB Clipless Cycling ShoesWith their innovative Match System sole unit, the Crankbrothers Mallet E Speedlace MTB Clipless Cycling Shoes offer super quick and easy engagement of pedal cleats to pedal. Less time hunting for the clip in point and more time enjoying your e-mountain bike riding trail riding. Crankbrothers are renowned for their beautifully engineered mountain bike pedal systems and that same know how and attention to excellence comes to the Mallet E Speedlace MTB Clipless Cycling Shoes. They're designed for the demands of EMTB riders with a tough but comfortable upper matched to a responsive sole unit. The sleek and stylish upper design uses premium materials, delivering a snug comfortable fit as well as excellent trail-ready durability. Perforations and mesh windows offer excellent breathability to avoid sweat build-up inside, ensuring you enjoy fresh feet throughout your ride. A reinforced toe box protects against impacts while oversize TPU reinforcements to the sides, toe and heel add abrasion resistance in more vulnerable areas. A padded tongue also adds an extra layer of comfort and protection.Match Box MTB Pedal SystemCrank Brothers have carefully engineered their innovative Match Box cleat box to ensure you enjoy quick and easy clipping in, no matter which clip-in MTB pedal system you prefer.Ramped zones to the front and rear of the cleat box make for a quick and easy cleat engagement and add extra mud clearance for all-weather performance. An extended cleat track, the 'race zone', lets you get just the right cleat position for bike control and pedal stability too. And with its stiff shank, you'll enjoy excellent power transfer on the more pedal-heavy bits of trail. Meanwhile, when you're off the bike and walking up to session a trail feature, the toe and heel lugs provide traction on loose and muddy surfaces and the toe is ramped for improved walkability too. Fuss Free LacingWhen you want to get your shoes on and riding, the Speed Lacing system makes it a straightforward affair. A quick pull and you can get the fit just right, and there's a lace pocket to keep the lace end safe and the shoes streamlined. An upper strap gives an extra level of security and a solid fit that won't let you down. Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard). They come supplied with pre-installed Crankbrothers Match Shim and a pre-installed cleat for Crankbrothers pedals but are compatible with other systems e.g.: Shimano SPD, Time ATAC, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:E-MTB Enduro/Trail ShoeSpeed lace & strap for fast and secure adjustmentVentilated windows with perforated mesh material for breathabilityPU reinforced areas for protection and abrasion resistance plus padded tongue for protectionHidden eyelets for durability and clean designMatch Box cleat zone optimized for any MTB pedals - ramped for easy clip-in/out and mud clearanceMC1 mid-friction compound for easy exit and cushioned EVA midsole for shock absorptionStamp tread pattern optimized for contact surface and compatibilityDirectional angled & spaced toe/heel lugs for traction while hiking andramped toe for walkability2 bolt cleat compatible - Pre-installed Match Shim for Crankbrothers pedals - Pre-installed cleat for Crankbrothers pedals Buy Crank Brothers Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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crankbrothers Mallet Speedlace MTB Clipless Shoe 2021 - Black - White - UK 8}, Black - White
  • £134.99
  • RRP £149.99
  • Saving you £10

Crankbrothers Mallet Speedlace MTB Clipless ShoesRight out of the box, the Crankbrothers Mallet Speedlace MTB Clipless Shoes are ready to hit the dirt of your favourite downhill and enduro mountain bike trails. A pre-installed Crankbrothers cleat means you can be get clipped in and riding in no time. Just as with their highly regarded pedal systems, attention to detail and innovative engineering are the hallmarks of the Mallet Speedlace MTB Clipless Cycling Shoes. Whichever MTB clip-in pedal system you prefer, the exclusive Match System sole design delivers smooth and no-nonsense cleat engagement, letting you clip in easily and get in your trail-shredding flow without delay. The sleek and stylish upper design uses premium materials, delivering a snug comfortable fit as well as excellent trail-ready durability. Perforations and mesh windows offer excellent breathability to avoid sweat build-up inside and ensure you enjoy fresh feet throughout your ride. A reinforced toe box protects against impacts while TPU reinforcements add abrasion resistance in vulnerable areas. A padded tongue also adds an extra layer of comfort and protection. Match Box MTB Pedal SystemCrank Brothers have carefully engineered their innovative Match Box cleat box to ensure you enjoy quick and easy clipping in, no matter which clip-in MTB pedal system you prefer.Ramped zones to the front and rear of the cleat box make for a quick and easy cleat engagement and add extra mud clearance for all-weather performance. An extended cleat track, the 'race zone', lets you get just the right cleat position for bike control and pedal stability too. And with its stiff shank, you'll enjoy excellent power transfer on the more pedal-heavy bits of trail. Meanwhile, when you're off the bike and walking up to session a trail feature, the toe and heel lugs provide traction on loose and muddy surfaces and the toe is ramped for improved walkability too. Fuss Free LacingWhen you want to get your shoes on and riding, the Speed Lacing system makes it a straightforward affair. A quick pull and you can get the fit just right, and there's a lace pocket to keep the lace end safe and the shoes streamlined. An upper strap gives an extra level of security and a solid fit that won't let you down. Cleat GuidanceThese MTB shoes are compatible with MTB pedal systems, which use cleats with SPD standard (2-bolt standard). They come supplied with pre-installed Crankbrothers Match Shim and a pre-installed cleat for Crankbrothers pedals but are compatible with other systems e.g.: Shimano SPD, Time ATAC, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB. Features:Downhill/Enduro ShoeSpeed lace & strap for fast and secure adjustmentVentilated windows with perforated mesh material for breathabilityPU reinforced areas for protection and abrasion resistance plus padded tongue for protectionHidden eyelets for durability and clean designMatch Box cleat zone optimized for any MTB pedals - ramped for easy clip-in/out and mud clearanceMC1 mid-friction compound for easy exit and cushioned EVA midsole for shock absorptionStamp tread pattern optimized for contact surface and compatibilityDirectional angled & spaced toe/heel lugs for traction while hiking andramped toe for walkability2 bolt cleat compatible - Pre-installed Match Shim for Crankbrothers pedals - Pre-installed cleat for Crankbrothers pedals Buy Crank Brothers Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DT Swiss H1900 Spline Boost Front Wheel - Black - 15 x 110mm 32mm}, Black
  • £134.99
  • RRP £149.99
  • Saving you £10

DT Swiss H1900 Spline Boost Front WheelReady for the toughest electric mountain bike (E-MTB) adventures, the tubeless ready DT Swiss H1900 Spline Boost Front Wheel has the strength and responsive performance you need for conquering the toughest trails.When motor assistance and leg power meet, the range of terrain a bike can conquer grows almost exponentially. The H 1900 SPLINE is designed for this, now upgraded with the famous DT Swiss Ratchet technology.The Ratchet LN system distributes the combined forces from the rider and the motor over a larger area than the previous pawl freehub systems, increasing the systems’ durability thanks to lower load peaks. The 370 hub enables full power transmission to the ground with reinforced hybrid spokes laced to a resistant aluminium rim.Features: Rim Material: Aluminium (sleeve joint, Hooked / Crotchet tubeless TC) Rim Type: Clincher Rim Width: Inner 30mm: Outer: 35mm Rim Depth: 20mm Brake Type: Disc (6-bolt fitment) Tubeless Compatible: Yes Hub: DT Swiss 370 Hub Width: 15x110mm (Boost) Maximum Load: 150kg (Bike+rider+gear) Weight: 1026g Buy DT Swiss Wheels&Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Dura-Ace R9270 Brake Caliper - Black - Rear without adapter}, Black
  • £134.99

Shimano Dura-Ace R9270 Brake CaliperThe Dura-Ace R9270 Brake Caliper from Shimano is a top-quality hydraulic disc brake caliper body for road racing. It features Shimano Ice Technologies to dissipate heat, this ensures powerful and responsive braking in all conditions. This technology makes it ideal for fast road racing and long tour events where braking reliability is paramount. And its mono-body design, flat mount system and wider brake pad clearance guarantee exceptional disc brake performance anywhere.With an all-new design, Dura-Ace BR-R9270 hydraulic calipers are the most compact yet. The mono-body construction ensures lightweight and rigidity, proving that good things can come in small packages.With an all-new mono-body construction design, high-performance braking has reached a new peak. The BR-R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a new bleeding process makes maintenance easier than ever. Durable, Lightweight and Stylish Caliper BodyShimano's mono-body caliper is machined from a single cold-forged block in order to maximize stiffness. A perfect balance of stiffness and weight, the mono-body caliper is a component of our linear response hydraulic disc brake system. Linear response equals strong power and superb controllability. ICE Brake Fade TechnologyThe fade, which can occur to the disc brake rotor and pad when braking on a long downhill ride, for instance, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and ICE Technologies pad to realize the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. Easy and Efficiency One Way Bleeding Brake Maintenance“One Way Bleeding” was developed for quick and easy prevention of air in our hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. Features: One-piece structure maximizes stiffness and reduces weight Series: Dura-Ace R9200 Series Type: Hydraulic disc brake Mount Type: Flat mount Recommended Brake Lever: ST-R9270 / ST-R9180 Recommended Rotor: RT-MT900 Brake Oil: Shimano Mineral Oil 10% wider pad clearance decreases the chance of rotor rub Maintenance-friendly bleeding process Weight (average): 120g (Front); 110g (Rear)A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Selle Italia Flite Bullitt Road Bike Saddle - Brown - L1 - 146mm Wide, Brown
  • £134.99

Selle Italia Flite Bullitt SaddleBringing back some of its vintage heritage, Selle Italia has put this retro-inspired road bike saddle into the modern-day spotlight. It features a durable leather cover construction, which makes it easy to change your riding position as it handles the abuse of long days out on the road. Selle Italia has also equipped this model with robust alloy rails, which keep you stable and in control on your adventures. One final highlight is it weighs in at only 230g, so you won't have to worry about adding any unnecessary weight to your road bike. Features: Cover Material: Leather Rail Material: TI 316 Tube Use: Road Rail Dimensions: 7mm Dimensions: L1 Category: Heritage Weight: 230gBuy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zipp Service Course SL Stem - Black-Black - 6 Degrees}, Black-Black
  • £134.99
  • RRP £239.99
  • Saving you £44

Zipp Service Course SL StemReady for conquering every mile, this versatile stem comes equipped with a lightweight alloy build that gives it the best balance of stiffness, strength and low weight for wherever your next ride takes you. Zipp has also kitted it out with a robust aluminium faceplate and titanium hardware for an extra level of durability on your road, gravel or cyclocross bike. Benefitting from a 31.8mm bar clamp diameter along with a tapered clamp steerer diameter, it's simple to install for a secure connection between your handlebar and your fork's steerer tube. Weighing in at only 130g, this is a great choice of upgrade for a reliable hold without adding any unnecessary excess grams to your steering setup.Road Bike Stem with SRAM Exogram TechnologySince the introduction of Zipp's line of Service Course and Service Course SL components they've had amazing success with their pro level athletes in all disciplines. While the successes have been proving, they have also drawn from their feedback. Zipp not only learned how and why athletes make their equipment choices, but how their manufacturing methods and materials affect product performance. With new knowledge as well as new engineering, Zipp are proud to introduce our completely redesigned line of Service Course and Service Course SL stems and seatposts.Features: 11/4 Service Course SL - OS (Oversized), shims to 1-1/8 with angle adjustability for ±4° Leading stiffness-to-weight of 1.85g/NM per mm Faceplate and body geometry for greater stiffness and easier installation Stem Angle/Rise: 17 Degrees, 6 Degrees Length (St): 100mm, 110mm, 120mm, 130mm, 70mm, 80mm, 90mm Clamp Diameter: 31.8mm Steerer Clamp Diameter: 1 1/25" - 1 1/8" Material: Al-7075 alloy Hardware: Titanium Weight: 130gBuy Zipp Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Tyrant MIPS Helmet - Matte Black 20 - M}, Matte Black 20
  • £134.99
  • RRP £149.99
  • Saving you £10

Giro Tyrant Cycle Helmet (MIPS)For the mountain biker who isn't constrained by labels within the sport, the Giro Tyrant Cycle Helmet (MIPS) has been created to offer protection and style for anything from trail freeriding to dirt jumping to enduro and anything between. With its wrap-around head coverage, goggle compatibility and innovative new MIPS Spherical technology, the Tyrant Mountain Bike Helmet breaks new ground when it comes to comfort and multi-discipline performance for progressive riders. MIPS Spherical TechnologyMIPS Spherical technology steps up the game when it comes to protecting your brain from multiple impacts, whether fast or slow speed hits. An EPS foam layer does the job of absorbing the energy from those high-speed falls when you're at full speed on a trail.Meanwhile, a lower density EPP foam, with rebound characteristics, ensures slower-speed crashes aren't going to cause an issue either.  All this is wrapped up in Giro's Hardbody shell system to give a helmet that can take the knocks of dirt riding.Cool and FreshWhatever MTB fun you're enjoying you're bound to build up some heat and hence some sweat. But, fear not, the 14 channelled air vents let in cooling airflow so you're not a sweaty mess by the end of your biking session. You'll also enjoy a clear view when wearing goggles thanks to Giro's Channeled Stack™ ventilation at the brow. Drawing warm air away from the face it will leave goggles crystal clear and fog-free. Hardbody™ shellThe Hardbody shell wraps from the outside of the helmet to the inside, giving a significant boost to durability compared to regular helmets. The in-mould construction fuses the tough polycarbonate outer shell with the helmet’s impact-absorbing foam liner. This fusion process allows Giro to sculpt better ventilation systems, so in-mould helmets can be lighter and cooler than traditional helmets.Roc Loc® Air DH Fit SystemThe ultimate in easy adjustment, the  Roc Loc® Air DH Fit System lets you get the fit of the Tyrant just right for you. A bumper around the dial prevents accidental adjustment if in contact with a backpack and it's super-light too so nothing extra to weigh your head down. Features:Hardshell with In-mold polycarbonate Hardbody™ lower wrapMIPS Spherical TechnologyProgressive layering with EPS outer liner and EPP inner linerChannelled Stack™ ventilation at brow line14 vents with internal channellingRoc Loc® Air DH fit systemQuick-dry paddingCheek pad ventilationTool-free, bolt-on visorGoggle compatibilityShop all MIPS helmets - Click hereBuy Giro Cycling from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Dura-Ace R9270 Brake Caliper - Black - Front with adapter}, Black
  • £134.99

Shimano Dura-Ace R9270 Brake CaliperThe Dura-Ace R9270 Brake Caliper from Shimano is a top-quality hydraulic disc brake caliper body for road racing. It features Shimano Ice Technologies to dissipate heat, this ensures powerful and responsive braking in all conditions. This technology makes it ideal for fast road racing and long tour events where braking reliability is paramount. And its mono-body design, flat mount system and wider brake pad clearance guarantee exceptional disc brake performance anywhere.With an all-new design, Dura-Ace BR-R9270 hydraulic calipers are the most compact yet. The mono-body construction ensures lightweight and rigidity, proving that good things can come in small packages.With an all-new mono-body construction design, high-performance braking has reached a new peak. The BR-R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a new bleeding process makes maintenance easier than ever. Durable, Lightweight and Stylish Caliper BodyShimano's mono-body caliper is machined from a single cold-forged block in order to maximize stiffness. A perfect balance of stiffness and weight, the mono-body caliper is a component of our linear response hydraulic disc brake system. Linear response equals strong power and superb controllability. ICE Brake Fade TechnologyThe fade, which can occur to the disc brake rotor and pad when braking on a long downhill ride, for instance, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and ICE Technologies pad to realize the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight. Easy and Efficiency One Way Bleeding Brake Maintenance“One Way Bleeding” was developed for quick and easy prevention of air in our hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. Features: One-piece structure maximizes stiffness and reduces weight Series: Dura-Ace R9200 Series Type: Hydraulic disc brake Mount Type: Flat mount Recommended Brake Lever: ST-R9270 / ST-R9180 Recommended Rotor: RT-MT900 Brake Oil: Shimano Mineral Oil 10% wider pad clearance decreases the chance of rotor rub Maintenance-friendly bleeding process Weight (average): 120g (Front); 110g (Rear)A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Selle Italia Flite Racer Road Bike Saddle - Brown - L1 - 146mm Wide, Brown
  • £134.99

Selle Italia Flite Racer SaddleThis retro-inspired saddle gives you a classically styled finish, with modern saddle technologies. It features tough alloy rails, which means that you'll benefit from its fantastic stability and strength as well as its low weight. This makes it perfect for riders who want a vintage-styled road saddle, which performs as amazing as it looks. One final highlight is its weighs in at only 230g, so you won't have to worry about adding any unnecessary weight to your road bike. Features: Cover Material: Leather Rail Material: TI 316 Tube Use: Road Rail Dimensions: 7mm Dimensions: 146x280mm Category: Heritage Weight: 230g (approx)Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Tyrant MIPS Helmet - Matte Black 20 - S}, Matte Black 20
  • £134.99
  • RRP £149.99
  • Saving you £10

Giro Tyrant Cycle Helmet (MIPS)For the mountain biker who isn't constrained by labels within the sport, the Giro Tyrant Cycle Helmet (MIPS) has been created to offer protection and style for anything from trail freeriding to dirt jumping to enduro and anything between. With its wrap-around head coverage, goggle compatibility and innovative new MIPS Spherical technology, the Tyrant Mountain Bike Helmet breaks new ground when it comes to comfort and multi-discipline performance for progressive riders. MIPS Spherical TechnologyMIPS Spherical technology steps up the game when it comes to protecting your brain from multiple impacts, whether fast or slow speed hits. An EPS foam layer does the job of absorbing the energy from those high-speed falls when you're at full speed on a trail.Meanwhile, a lower density EPP foam, with rebound characteristics, ensures slower-speed crashes aren't going to cause an issue either.  All this is wrapped up in Giro's Hardbody shell system to give a helmet that can take the knocks of dirt riding.Cool and FreshWhatever MTB fun you're enjoying you're bound to build up some heat and hence some sweat. But, fear not, the 14 channelled air vents let in cooling airflow so you're not a sweaty mess by the end of your biking session. You'll also enjoy a clear view when wearing goggles thanks to Giro's Channeled Stack™ ventilation at the brow. Drawing warm air away from the face it will leave goggles crystal clear and fog-free. Hardbody™ shellThe Hardbody shell wraps from the outside of the helmet to the inside, giving a significant boost to durability compared to regular helmets. The in-mould construction fuses the tough polycarbonate outer shell with the helmet’s impact-absorbing foam liner. This fusion process allows Giro to sculpt better ventilation systems, so in-mould helmets can be lighter and cooler than traditional helmets.Roc Loc® Air DH Fit SystemThe ultimate in easy adjustment, the  Roc Loc® Air DH Fit System lets you get the fit of the Tyrant just right for you. A bumper around the dial prevents accidental adjustment if in contact with a backpack and it's super-light too so nothing extra to weigh your head down. Features:Hardshell with In-mold polycarbonate Hardbody™ lower wrapMIPS Spherical TechnologyProgressive layering with EPS outer liner and EPP inner linerChannelled Stack™ ventilation at brow line14 vents with internal channellingRoc Loc® Air DH fit systemQuick-dry paddingCheek pad ventilationTool-free, bolt-on visorGoggle compatibilityShop all MIPS helmets - Click hereBuy Giro Cycling from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Tyrant MIPS Helmet - Matte Black 20 - L}, Matte Black 20
  • £134.99
  • RRP £149.99
  • Saving you £10

Giro Tyrant Cycle Helmet (MIPS)For the mountain biker who isn't constrained by labels within the sport, the Giro Tyrant Cycle Helmet (MIPS) has been created to offer protection and style for anything from trail freeriding to dirt jumping to enduro and anything between. With its wrap-around head coverage, goggle compatibility and innovative new MIPS Spherical technology, the Tyrant Mountain Bike Helmet breaks new ground when it comes to comfort and multi-discipline performance for progressive riders. MIPS Spherical TechnologyMIPS Spherical technology steps up the game when it comes to protecting your brain from multiple impacts, whether fast or slow speed hits. An EPS foam layer does the job of absorbing the energy from those high-speed falls when you're at full speed on a trail.Meanwhile, a lower density EPP foam, with rebound characteristics, ensures slower-speed crashes aren't going to cause an issue either.  All this is wrapped up in Giro's Hardbody shell system to give a helmet that can take the knocks of dirt riding.Cool and FreshWhatever MTB fun you're enjoying you're bound to build up some heat and hence some sweat. But, fear not, the 14 channelled air vents let in cooling airflow so you're not a sweaty mess by the end of your biking session. You'll also enjoy a clear view when wearing goggles thanks to Giro's Channeled Stack™ ventilation at the brow. Drawing warm air away from the face it will leave goggles crystal clear and fog-free. Hardbody™ shellThe Hardbody shell wraps from the outside of the helmet to the inside, giving a significant boost to durability compared to regular helmets. The in-mould construction fuses the tough polycarbonate outer shell with the helmet’s impact-absorbing foam liner. This fusion process allows Giro to sculpt better ventilation systems, so in-mould helmets can be lighter and cooler than traditional helmets.Roc Loc® Air DH Fit SystemThe ultimate in easy adjustment, the  Roc Loc® Air DH Fit System lets you get the fit of the Tyrant just right for you. A bumper around the dial prevents accidental adjustment if in contact with a backpack and it's super-light too so nothing extra to weigh your head down. Features:Hardshell with In-mold polycarbonate Hardbody™ lower wrapMIPS Spherical TechnologyProgressive layering with EPS outer liner and EPP inner linerChannelled Stack™ ventilation at brow line14 vents with internal channellingRoc Loc® Air DH fit systemQuick-dry paddingCheek pad ventilationTool-free, bolt-on visorGoggle compatibilityShop all MIPS helmets - Click hereBuy Giro Cycling from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra FC6800 11sp Double Chainrings - Grey - 50t}, Grey
  • £134.99

Shimano Ultegra FC6800 11sp Double ChainringsGenuine Shimano replacements and specifically for the Ultegra FC6800 chainset, these chainrings bring you the perfect blend of durability and low weight. Available in a range of tooth count options, they enable you to fine tune your drivetrain to your own preference and the type of roads you ride.Features:Material: AluminiumTeeth: 34T, 36T, 39T, 46T, 50T, 52T, 53TBolt Pattern: 4-BoltChainring BCD: 110mm (Shimano specific asymmetric design)Chain Compatibility: 11-speed/doubleManufacturer Reference Codes:Grey 110mm 53T: Y1P498080; Grey 110mm 52T: Y1P498070; Grey 110mm 50T: Y1P498060; Grey 110mm 46T: Y1P498050; Grey 110mm 39T: Y1P439000; Grey 110mm 36T: Y1P436000; Grey 110mm 34T: Y1P434000A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra FC6800 11sp Double Chainrings - Grey - 52t}, Grey
  • £134.99

Shimano Ultegra FC6800 11sp Double ChainringsGenuine Shimano replacements and specifically for the Ultegra FC6800 chainset, these chainrings bring you the perfect blend of durability and low weight. Available in a range of tooth count options, they enable you to fine tune your drivetrain to your own preference and the type of roads you ride.Features:Material: AluminiumTeeth: 34T, 36T, 39T, 46T, 50T, 52T, 53TBolt Pattern: 4-BoltChainring BCD: 110mm (Shimano specific asymmetric design)Chain Compatibility: 11-speed/doubleManufacturer Reference Codes:Grey 110mm 53T: Y1P498080; Grey 110mm 52T: Y1P498070; Grey 110mm 50T: Y1P498060; Grey 110mm 46T: Y1P498050; Grey 110mm 39T: Y1P439000; Grey 110mm 36T: Y1P436000; Grey 110mm 34T: Y1P434000A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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