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.
Brands listed for Chain Reaction UK
We currently have 421 different brands listed for Chain Reaction UK in our database

Number of Products Listed for Chain Reaction UK

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

Fabric Scoop Radius Elite Gel Bike Saddle - Black Black - 155mm Wide, Black Black
  • £29.99
  • RRP £49.99
  • Saving you £40

Fabric Scoop Radius Elite Gel Bike SaddleDeveloped for both road and mountain bike (MTB) use, this saddle offers brilliant lightweight comfort and durability. It features a reliable microfibre cover construction with gel inserts which makes it more than capable of handling long days on your road bike as well as intense mountain bike trails. Fabric has also equipped this sleek version with a nylon shell which provides excellent flexibility and support wherever your journey leads you.Lightweight Saddle with Chromoly (CrMo) RailsSuitable for all cycling disciplines, this fantastic gel saddle is kitted out with CrMo rails. This means you'll benefit from its safe and secure hold on top of your Seatpost on long-distance road bike journeys and all-day mountain bike adventures. Weighing in at only 280g, the Fabric Scoop Radius Elite Gel Saddle is an ideal choice of upgrade for riders who want superior durability without adding any excess grams to your bike.Features:Use: Road, MTBCover Material: Microfibre with 3 large Gel insertsShell Material: NylonRail Material: CrMoPadding: FoamProfile: RadiusDimensions: 155x260mmWeight: 280g (approx.)Buy Fabric Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Abus Steel-O-Chain Combination Lock (5805C) - Black, Black
  • £29.99
  • RRP £32.99
  • Saving you £9

Abus Steel-O-Chain Combination Lock (5805C)Adding an extra level of security to your bike setup, this handy combination lock is Abus' take on a traditional design. Comprising of 5mm-thick steel links and a protective textile cover this Steel-O-Chain uses a 4-digit roller to set a unique unlocking code, thwarting potential thieves from taking your ride. Easy to loop through your frame and your chosen anchor point, it is ideal for use in low-risk areas or in your work car park. Features: Material: Hardened Special Steel Chain Thickness: 5mm Lock Type: Combination Suitability: Low theft risk areas Buy Abus Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Endura Hummvee Youth Helmet - Black - One Size}, Black
  • £29.99
  • RRP £39.99
  • Saving you £25

Endura Hummvee Youth HelmetEndura’s Hummvee Youth Helmet is lightweight, breathable and oh so stylish in order to inspire the next generation of mountain shredders. Extremely urban, this versatile lid is ideal for riding through the city or taking in the breathtaking views the mountains have to offer.The Perfect All-RounderProviding its pilot with endless levels of comfort, the Hummvee Youth Helmet is incredibly breathable to maximise the flow of air around your head. The Endura creation has a one hand micro-adjustment for customised, on-the-go adjustability and the functional and technical features allow for it to be worn through the city or over rough terrain.Part of the brand's gateway collection into the world of performance, the Hummvee Youth meets stringent EN1078 standards and is covered by Endura’s Crash Replacement Offer.Features:Lightweight versatile designRemovable visorOne hand micro-adjustment fit systemCovered by Endura's Crash Replacement Policy and Endura Product GuaranteeCertified to CE Standard EN1078 + A1 02/2013One size, fits head circumference 51-56cmBuy Endura from Chain Reaction Cycles, the World's Largest Online Bike Store.

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microSHIFT BS-M10 Shimano 10 Speed Bar End Shifter - Black - Right}, Black
  • £29.99
  • RRP £44.99
  • Saving you £33

microSHIFT BS-M10 Shimano 10 Speed Bar End ShifterThe microSHIFT BS-M10 Bar End Shifter is compatible with Shimano 10-Speed off-road mountain bike (MTB) drivetrains. Feature a left side micro-indexed shifter and a right-side index/friction transferable shifter, this shifter set is compatible with double and triple chain sets and Shimano MTB 10-Speed gear transmissions.Key Features: Bar-End Shifters for 2/3 x 10 Speed Left side: micro-index Right side: Index / Friction transferable Shimano MTB 10 Speed System compatibleFeatures: Model No.: BS-M10 Handle Bar Type: Bar End Cassette Compatibility: 10 Speed Front Shifting: Double / Triple (micro Index) Rear Shifting: Index / Friction transferable Bracket Material: Anodized Cold Forged Aluminium Shift Lever Material: Anodized Cold Forged Aluminium Clamp Band: 19.0 - 22.0mm Shift Cable: Stainless Slick Weight: 148g Compatibility: Shimano 10 Speed MTB Shifters CompatibleBuy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zipp Service Course SL-70 Road Handlebar - Black - 31.8mm, Black
  • £29.99
  • RRP £82.00
  • Saving you £63

Zipp Service Course SL-70 Road HandlebarAn excellent bar for taking to the road with a streamlined and speedy shape, this drop bar by Zipp comes with a narrow width and lengthy drop to let you find your optimum spot as you seek out the finish line. With the ability to achieve a low position, control and handling are top-notch, while the long lower arms give comfortable forearm support when riding in the drops. The rounded top gives a classic road bar experience, while the aluminium construction keeps a durable, long-lasting form for regular attacks on the asphalt. Features: Material: AL-7050 Aluminium Reach: 70mm Drop: 128mm Clamp Diameter: 31.8mm Clip Compatible: Yes Weight: 250g (approx) Buy Zipp Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Endura FS260-Pro Aerogel Mitts - White - XS}, White
  • £29.99
  • RRP £39.99
  • Saving you £25

Endura FS260-Pro Aerogel MittsAbout as comfortable as short finger gloves get, the FS260-Pro Aerogel Mitts from Endura are ideal for longer rides in the saddle. Moulded gel padding works hard to absorb shocks in the palm, while the stretch backhand fits wonderfully and wicks moisture to keep hands dry.You can feel confident in your grip too, as silicone prints get you closer to the handlebars than ever before. Velcro gives a great fit so you can free from distraction, and a terry sweat wipe even helps to keep sweat out of your eyes and your brow tidy. The FS260-Pro Aerogel Mitts will let you tear through the trails like never before.Features:Material: 46% Polyurethane, 35% Polyester, 15% Nylon, 4% ElastaneWicking high stretch back hand for optimal comfortCutting-edge moulded gel padding with radial perforationsSilicone finger and palm prints for gripsFinger tabs for easy glove removalVelcro® adjuster strap for secure fitMonster terry sweat wipeBuy Endura Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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XLab Pocket Rocket Plus Tube Bag (XL) - Black, Black
  • £29.99

XLab Pocket Rocket Plus Tube Bag (XL)The Pocket Rocket is a classic tube bag with a design that pushes the boundaries with more user friendly features than ever before.Mounting SystemThe bag is easy to connect to a wide variety of bike frames with three adjustable Velcro straps that provide a secure mount for when you’re at your most active and travelling at speed. The Pocket Rocket has an aerodynamic design that tucks behind your stem in an easy to reach location. The large, easy-pull zippers and large opening allows you to open and use the bag while you’re on the go.Convenient FeaturesThe interior of the bag comes with a silver lining which will show your bags contents in a more distinct way that will make it easier to locate the part of your kit you’re looking for. The bag comfortably fits 6-8 gels, along with your smartphone some tools and other bits of kit. The sides of the Pocket Rocket are insulated to ensure that your nutrition products stay cool even when in hot and sunny conditions.FeaturesAerodynamic design that tucks behind stemInsulated sidesLarge, easy-pull zippersSilver coloured interiorWide access openingInterior essentials pocketDimensions: 20.5 x 8.5 x 5.1cmWeighs 68gBuy XLab Saddle Bags from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Rampage 18" Front BMX Wheel - Black, Black
  • £29.99
  • RRP £64.99
  • Saving you £54

Stolen Rampage 18" Front BMX WheelThe Stolen Rampage 18" Front Wheel features a sealed hub with a 10mm CrMo axle and offers a smooth ride with excellent durability. This is hand laced to a Rampage double-wall aluminium rim to produce an incredibly strong and lightweight wheel.Features: Hub: Sealed cartridge bearings with 10mm CrMo axle Rim: Double-wall Aluminium Spokes: Black with black brass nipples Includes Stolen PVC rim stripBuy Stolen Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano SD300 Di2 Electric Wire - Black - 1000mm}, Black
  • £29.99

Shimano SD300 Di2 Electric WireThe SD300 Di2 Electric Wire from Shimano is compatible with the Shimano Di2 E-Tube system and is intended for use with Shimano Di2 electronic drivetrain components and frame's that feature internal cable routing.Shimano E-Tube CompatibleE-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application.Features:More compact design makes new electric components smaller and lighterWill potentially expand the future capabilities of DI2 systemsFor internal routing usage (wire holder included)Shimano Part Number: EW-SD300-ICompatible System: Shimano E-TUBE systemA 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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Muc-Off Bike Cleaner Concentrate (1 Litre) - 1 Litre}
  • £29.99

Muc-Off Bike Cleaner Concentrate (1 Litre)Enjoy the same high-quality bike cleaner you can count on with this Bike Cleaner Concentrate from Muc-off. Including all the same benefits as it's award winning bike cleaner, this concentrate will go the added distance, with 1 litre being the equivalent of 4 litres of traditional bike cleaner. Bike Cleaner Concentrate can also be used as a powerful degreaser in its concentrate form, and it really works like a charm in Muc-Off’s X1 Chain Cleaning Device! How’s that for multi-use?Re-using is even better for the environment than recycling, and that’s what makes Bike Cleaner Concentrate so amazing. Each Bike Cleaner Concentrate pouch uses 89% less packaging than the equivalent 2 bottles of 1 Litre Muc-Off Bike Cleaner. So, don’t chuck out your old Bike Cleaner bottle; save it and save the planet. Bike Cleaner Concentrate is less expensive, and you can clean your kit with a guilt-free conscience.Perfectly SafeThis Bike Cleaner Concentrate makes Muc-Off Nano Tech Bike Cleaner that is safe on your bike’s frame, forks, headsets, shock units, fairings, bars, grips, seat, pivot points, screens, aluminium, anodised metal, paintwork, chrome, carbon fibre, steel, rims, wheels, spokes, hubs, disc brakes, suspension parts, gears/sprockets, plastics, composites, decals and rubber.Features:Eco-friendly: Uses 89% less packagingMakes 4 litres of Muc-Off Bike CleanerCan be used as a degreaser in concentrate formWorks well in chain cleaning devicesVolume: 1 LitreBuy Muc-Off Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hutchinson Taipan TR MTB Tyre - Black - Folding Bead, Black
  • £29.99
  • RRP £54.99
  • Saving you £45

Hutchinson Taipan TR MTB TyreThis tubeless-ready mountain bike tyre offers a lightweight performance and an aggressive tread pattern for an all-round excellent cross-country performance. The Hardskin reinforcement beneath the casing helps protect against punctures even on challenging terrain, and the inclusion of V-shaped knobs helps to shed mud, ensuring nothing slows you down. Features: Use: XC Width: 2.10" Compound: Race Ripost XC Bead: Folding (Tubeless Ready) Reinforcement: Hardskin TPI: 127 Weight: 608gBuy Hutchinson Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Selle Italia Diva Gelflow Racing Road Bike Saddle - Gold - L3 - 152mm Wide, Gold
  • £29.99
  • RRP £99.99
  • Saving you £70

Selle Italia Diva Gelflow Racing Road Bike SaddleDesigned to perfectly match up with the female anatomy, Sell Italia's Diva Gelflow Racing Saddle offers a highly supportive platform, advanced padding and ultra-efficient power transfer. It has a sporty, streamlined shape, a large central cut-out and gel inserts in key areas. So even on the longest rides, the Diva Gelflow will help to prevent pressure spikes or discomfort on sensitive parts.Features: Cover: Leather Padding: Dense foam padding with gel inserts Shell: Nylon with 10% carbon fibre Rails: Manganese tubes, 7x7mm Use: Road/Offroad Weight: 315gBuy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Spank SPOON 35 Mountain Bike Riser Handlebar - black-blue - 800mm, black-blue
  • £29.99
  • RRP £69.99
  • Saving you £57

Spank Spoon 35 Riser BarThis MTB riser bar features a rock-solid alloy construction, which makes it ideal at handling all the intensity that's associated with all-day epics in the mountains. Spank has also kitted out this trail-ready handlebar with a shot-peened and anodised finish, which means that you'll enjoy its extra layer of durability and corrosion resistance. This makes it a perfect choice of upgrade for riders who don't let the elements to stand in their way.Freeride inspired all mountain suitable geometry makes the bar extremely versatile.Rock solid in the park or on the trail.Cost effective upgrade to your cockpit without sacrificing quality.Shot-peening and anodizing enhances fatigue life even further.Features: Material: Alloy Finish: Shot-peened and anodised Use: MTB Type: Riser Width: 800mm Diameter: 35mmBuy Spank Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cateye AMPP 400 Front Bike Light - Black, Black
  • £29.99

Cateye AMPP 400 Front Bike Light With its convenient design that offers expansive side lighting this bright Cateye Ampp 400 Lumens light is housed inside a durable matt polycarbonate body that protects the unit from all sorts of weather conditions.Switching between light modes is easy by using the illuminated power button on top of the light, this unit comes with four modes that includes both constant and flashing in a range of outputs that include a Daytime HyperContant mode that is perfect for remaining seen during daylight hours. Mounting the unit to your handlebars is extremely easy, just use the FlexTight mounting bracket that is included and you are good to go in no time at all. Features: Material: PolycarbonateBattery: 2200mAh Li-ion rechargableLight source: High intensity white LED X1Recharge time:4-8 hoursDimension:34 x 100 x 37 mmWide beam with Opticube lens technologyExcellent side visibilityLOW Battery IndicatorUSB RechargableMode memory functionFour Light modes (High, Low, Daytime hyper constant, flashing)FlexTight bracketImproved release buttonRuntime:High Mode: 400 Lumens/2 hoursLow Mode: 200 Lumens/4 hoursDaytime HyperConstant Mode: 400/200 Lumens/6 hoursFlashing Mode: 200 Lumens/60hoursBuy Cateye Lights from Chain Reaction Cycles, the World's Largest Online Bike Store

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Shimano SD300 Di2 Electric Wire - Black - 950mm}, Black
  • £29.99

Shimano SD300 Di2 Electric WireThe SD300 Di2 Electric Wire from Shimano is compatible with the Shimano Di2 E-Tube system and is intended for use with Shimano Di2 electronic drivetrain components and frame's that feature internal cable routing.Shimano E-Tube CompatibleE-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application.Features:More compact design makes new electric components smaller and lighterWill potentially expand the future capabilities of DI2 systemsFor internal routing usage (wire holder included)Shimano Part Number: EW-SD300-ICompatible System: Shimano E-TUBE systemA 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 C2 Gelflow Racing Road Bike Saddle - Black - S2 - 136mm Wide, Black
  • £29.99
  • RRP £89.99
  • Saving you £67

Selle Italia C2 Gelflow Racing Road Bike SaddleSelle Italia’s C2 Gelflow Racing Saddle offers an advanced construction that combines low weight and a high amount of comfort. Ideal for tackling long rides, it features a breathable cover, padding with differential thickness and pressure-relieving silicone gel inserts. The C2 Gelflow also boasts two small shock absorbers, which help disperse any sudden vibrations ensuring your comfort even on rough terrain. Features:  Cover: Breathable full grain Leather  Padding: Differentiated-thickness padding with gel inserts  Shell: Rylsan and Nylon N6  Rails: FEC Alloy, 7x7mm  Selle Italia idmatch: S2  Dimensions: 276x136 (LxW)  Weight: 353gBuy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fox Racing Dirtpaw Race Gloves 2021 - Fluorescent Red - S}, Fluorescent Red
  • £29.99
  • RRP £39.99
  • Saving you £25

Fox Racing Dirtpaw Race GlovesFrom the most experienced mountain biker to those of you just starting out, the Fox Racing Dirtpaw Race Gloves offer the ideal blend of flexibility, protection and grip. All without an astronomical price tag. Thanks to their single-layer padded Clarino® palm the Dirtpaw Race Gloves ensure you'll enjoy complete control of the bars and awesome feedback from the trail. Silicone fingertip prints give slip-free grip of the brake levers while stretch-mesh finger gussets allow for optimal dexterity. Armoured knuckles provide extra protection as you brush past trees and bushes.Last, but definitely not least, the touchscreen compatibility means you'll never miss a chance to film your riding buddies whipping it over the biggest booters and down the steepest of trails.Features:Materials: 61% Polyamide, 22% Polyurethane, 12% Polyester, 5% Other fibresCompression-moulded neoprene cuffHook and loop closure for a secure fitPadded single layer conductive Clarino® palm - touch screen compatibleDurable nylon top of hand material with direct inject TPR knuckle coverageStretch mesh finger gussets increase airflow and dexteritySilicone print at finger tips for lever gripBuy Fox Racing Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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IXS Carve Gloves - Black - XXL}, Black
  • £29.99

IXS Carve GlovesWith their pre-formed ergonomics and snug stretch back, the Carve Gloves from IXS fit perfectly when you're gripping the bars and give you a high degree of dexterity for braking and gear changing duties. The durable synthetic palm is perforated to keep sweat at bay while reinforced fingertips boost toughness in this key area. With their touchscreen-friendly fingertips, you'll also have easy control of your smartphone, GPS devices and action cams - perfect for capturing all your MTB action. Features:Material: 85% Polyester, 15% Elastane (Spandex)Pre-formed ergonomicsSlip-on designStretch topDurable synthetic palmReinforced finger tipsTouch screen readyBuy IXS Clothing from Chain Reaction Cycles. The World's Largest Online Bike Store.

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Brand-X Ascend MTB Dropper Replacement Cartridge - Silver - Ascend XL Internal}, Silver
  • £29.99

Brand-X Ascend MTB Dropper Replacement CartridgeAvailable in both internally and externally routed options, this replacement cartridge is perfect for helping you repair and maintain your Brand-X Ascend dropper seat post. Each cartridge is unique to each travel option and cartridges are not cross-compatible, so it is important to ensure that you marry up the correct cartridge to the routing and the travel of your Brand-X Ascend post.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Ascend MTB Dropper Replacement Cartridge - Silver - Ascend CX Internal}, Silver
  • £29.99

Brand-X Ascend MTB Dropper Replacement CartridgeAvailable in both internally and externally routed options, this replacement cartridge is perfect for helping you repair and maintain your Brand-X Ascend dropper seat post. Each cartridge is unique to each travel option and cartridges are not cross-compatible, so it is important to ensure that you marry up the correct cartridge to the routing and the travel of your Brand-X Ascend post.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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