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

Altura Airstream Socks SS22 - Black - S}, Black
  • £7.00
  • RRP £10.00
  • Saving you £30

Altura Airstream SocksMade for warm-weather cycling, the Altura Airstream Socks are a lightweight and breathable pick for adding comfort to any bike ride. When temperatures rise and the pace picks up on your summer rides, the Airstream Socks deliver the sweat-wicking comfort you need for fresh feet as the miles fly by. You'll also find the cushioned zones underfoot eases pressure when you're pushing hard on the pedals. Reinforced arch and toe areas provide excellent durability and flat seams reduce potential discomfort and prevent blisters. Features:Materials: 80% Polyester, 17% Nylon, 3% ElastaneMid cuff height - 16cmQuick-wicking and breathableCushioned underfootFlat seam constructionUnisexBuy Altura Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tektro 836.12 Junior Brake Pads - n-a}
  • £7.00

Tektro 836.12 Junior Brake PadsThe Tektro 836.12 Junior Brake Pads are replacement V-brake pads for junior bikes. Designed for optimised braking with smaller wheel sizes, the shorter pad length provides efficient, responsive and safe brake control in all weather and terrain conditions. These pads are mounted to V-brake calipers using the cup and dish washer system which, is easy to setup and maintain, and offers secure and reliable pad alignment.Features:Fitting: Cup and Dish washer systemCompatible Brakes: V-brakesCompatible Wheel Sizes: 20" - 24"Pad Length: 63mmBuy Tektro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC Missing Chainlink Pair - Silver EPT 2 - 5.65mm, Silver EPT 2
  • £7.00
  • RRP £9.99
  • Saving you £30

KMC Missing Chainlink PairThe durable and high-quality Missing Chainlink Pair from KMC is compatible with MTB (mountain bike) and road bikes and fit KMC, Shimano and SRAM chains. Favoured by world professional racers, they are the ideal choice for any cycling enthusiast wanting a durable and reliable chain.  Link Types:Silver EPT 1: 12-Speed non-reusable - KMC, Shimano & SRAM chains (Pin Length: 5.2mm)Silver EPT 2: 11-Speed chains - KMC, Shimano & SRAM chains (Pin Length: 5.65mm)Silver EPT 3: 10-Speed chains - KMC, Shimano (Pin Length: 5.88mm)Silver EPT 4: 9-Speed chains - KMC, Shimano and SRAM (Pin Length: 6.6mm)Silver EPT 5: 8-Speed KMC and SRAM 7- or 8-speed (Pin length: 7.1mm)Silver EPT 6: 7/8-Speed KMC X8.99 + X8.93 + Z8XRB, Z7 + Z6 and Shimano UG51 + HG40/50/70/90 chains (Pin length 7.3mm)Features:Use: Mountain Bike and RoadCompatibility: KMC, Shimano & SRAM chainsComes as a pair (pack includes four pieces that make two links)Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Tech BPC & Reach Adjust Screw - Red, Red
  • £7.00

Hope Tech BPC & Reach Adjust Screw Direct replacement Bite Point Control and Reach Adjuster screws to fit the Hope Tech (and Tech Evo) levers! Features: Sold individually, with two screws required per lever blade Please note: There is a circlip that holds the adjuster knob in place which needs to be removed before attempting to take off the existing adjuster knob Buy Hope Tech BPC & Reach Adjust Screw from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Tech BPC & Reach Adjust Screw - Blue, Blue
  • £7.00

Hope Tech BPC & Reach Adjust Screw Direct replacement Bite Point Control and Reach Adjuster screws to fit the Hope Tech (and Tech Evo) levers! Features: Sold individually, with two screws required per lever blade Please note: There is a circlip that holds the adjuster knob in place which needs to be removed before attempting to take off the existing adjuster knob Buy Hope Tech BPC & Reach Adjust Screw from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Camelbak Big Bite Valve
  • £7.00

Camelbak Big Bite ValveBig Bite Valve The patented Big Bite™ Valve mouthpiece offers Hands-Free Hydration™ and is ideal for any high-performance situation. Buy CamelBak Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DMR Sect Mountain Bike Handlebar Grip - Brick Red - 140mm}, Brick Red
  • £7.00
  • RRP £10.00
  • Saving you £30

DMR Sect Mountain Bike Handlebar GripThe Sect grip is the perfect Dirtjump/Park grip. We took the classic mushroom design and added a thumb patch where previous mushroom grips wear-out first. We also took out the bulge at the end. This is so you can catch the bars right at the end of the grip and still finish the line. Features:Single density soft Kraton rubberThumb wear patchInterior bar plug includedSoft flangeBuy DMR Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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BeElite Eco Yoga Block 10cm - Purple, Purple
  • £7.00
  • RRP £20.00
  • Saving you £65

BeElite Eco Yoga Block 10cmGet deeper into your stretches with the BeElite Yoga Block 10cm. This versatile tool will help make the most of your daily practice, improve your poses and increase your flexibility.Discover the benefits of introducing the BeElite Yoga Block into your stretching routine. A staple tool for yoga practioners, yoga blocks can help improve your balance, support your poses and raise the floor to encourage good pose alignment so that you don't overstretch. Yoga blocks ensure you make the most of your practice by allowing you to deepen your stretches and provide support in deep relaxation poses such as a forward bend. Made from DeCoto foam, the BeElite yoga block is great for your routines and kind to the environment.DeCoto FoamDeCoto foam is made from renewable biobased products such as bamboo and rice husks as well as recycled PR resins made from recycled plastic. During the production of DeCoto foam, the emssions of CO2 is decreased due to the use of biobased materials compared to the traditional construction.Features:Help improve your balance during posesEncourages good pose alignmentGet deeper into your stretchesMade from DeCoto FoamUse as part of your yoga or stretching routineBuy BeElite from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Aeron Light Weight Merino Sock AW17 - Black-Grey - S/M}, Black-Grey
  • £7.00
  • RRP £10.00
  • Saving you £30

dhb Aeron Light Weight Merino Sockdhb's Aeron Lightweight Merino Socks are comfortable in a host of varying conditions. Merino wool aids moisture wicking when it's warm and provides insulation when it's chilly.Breathable Cycling SockMade with merino wool, these dhb Aeron socks are breathable. To aid with breathability you'll find mesh knit panels on the top of the foot helping moisture escape and avoiding any hot spots or chafing as you ride. Alongside added anti-microbial properties that keep your feet fresh, these lightweight socks have been reinforced for added durability.Features:Material: 65% Merino Wool, 15% Lycra, 15% Elastane (Spandex), 5% Polyamide (Nylon)Length: 9cmLightweight merino wool sockDurable Nylon reinforced heel and toeSeamless toe boxBreathable mesh knit panels on the top of the footMid foot support bandMade in ItalyBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Castelli Gara Sock (Limited Edition) - Brillant Pink - XXL}, Brillant Pink
  • £7.00
  • RRP £17.00
  • Saving you £59

Castelli Gara Sock (Limited Edition)The limited-edition Gara Socks from Castelli give you fabulous cycling performance. Quick to deal with sweat and feeling brilliantly light and airy, they're just what you need to give your summer cycling a stylish and comfortable boost.Castelli ExclusivesWith the promise of warmer weather, longer days and more opportunity to get out and ride, we're very happy to bring you a fabulous range of exclusive Castelli cycling kit and accessories. They're the ideal choice to keep you comfortable and stylish on your bike.Sock PerfectionYou may not give much thought to your socks when you're cycling, but you'll soon notice a bad pair. Not so the Gara Socks from Castelli, these are so comfortable you'll barely notice they're there. Made from Meryl Skinlife® yarns, they're quick to pull moisture away from the skin for superb comfort. And in combination with the antibacterial silver ions, your feet will never have felt so fresh, even after a long day of pushing the pedals. A compression cuff keeps them perfectly in place - no saggy sports socks here, just sock perfection. Features:Materials: 85% Polyamide, 15% ElastaneMeryl Skinlife® yarns feature bacteriostatic silver ionsMesh construction keeps foot coolCompression cuffBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Bookman Block Rear Light - Beige - Inc. USB Cable}, Beige
  • £7.00
  • RRP £22.99
  • Saving you £70

Bookman Block Light RearThe Block Light Rear from Bookman is the ideal rear cycle light for inner-city errands, daily commutes and urban errands in low light conditions. It provides up to 18-lumens at max power and offers a max burntime of 25-hours in 'Blinking' mode. Block Light is a strong, compact, rechargeable bicycle light. The design is based on the now-classic, well-known Bookman Light - with the addition of a sleek lens to distribute the light perfectly.On the inside, however, everything is new. Equipped with the latest LEDs and Lithium-Ion battery to make it super bright, yet long-lasting in battery time. With its four different modes, it is perfect for the commuter or the dedicated road cyclist that are looking for a slim light to illuminate their twilight rides.Modes: Modes Brightness (Lumens) Runtime (Hours) 100% Steady 18 1.5 100% Blinking 18 3 25% Steady 5 5 25% Blinking 5 25 Features: Brightness: 18 lumens Runtime: Up to 25 hours Charging Time: 2 hours from flat Package Contents: 1 x Block Light Rear, 1 x Micro USB cable Size: 35x23x14 mm (excl rubber band)Buy Bookman Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Bookman Block Rear Light - White - Inc. USB Cable}, White
  • £7.00
  • RRP £22.99
  • Saving you £70

Bookman Block Light RearThe Block Light Rear from Bookman is the ideal rear cycle light for inner-city errands, daily commutes and urban errands in low light conditions. It provides up to 18-lumens at max power and offers a max burntime of 25-hours in 'Blinking' mode. Block Light is a strong, compact, rechargeable bicycle light. The design is based on the now-classic, well-known Bookman Light - with the addition of a sleek lens to distribute the light perfectly.On the inside, however, everything is new. Equipped with the latest LEDs and Lithium-Ion battery to make it super bright, yet long-lasting in battery time. With its four different modes, it is perfect for the commuter or the dedicated road cyclist that are looking for a slim light to illuminate their twilight rides.Modes: Modes Brightness (Lumens) Runtime (Hours) 100% Steady 18 1.5 100% Blinking 18 3 25% Steady 5 5 25% Blinking 5 25 Features: Brightness: 18 lumens Runtime: Up to 25 hours Charging Time: 2 hours from flat Package Contents: 1 x Block Light Rear, 1 x Micro USB cable Size: 35x23x14 mm (excl rubber band)Buy Bookman Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Tech Socks - Maroon - L/XL/XXL}, Maroon
  • £7.00
  • RRP £11.99
  • Saving you £42

Nukeproof Tech SocksCreated to keep your feet supremely comfortable on your mountain bike, the Tech Socks from Nukeproof give you the ultimate balance of absorption, wicking, warmth and comfort for hours on the trails.You've got the rest of your mountain bike kit dialled in but one area you may overlook is socks. Your standard sports socks will soon leave your feet hot and sweaty but with the Tech Socks by Nukeproof you can look forward to dry and sweat-free mountain biking. They're quick to wick moisture off the skin and being fast drying you can rip through mud and puddles without water hanging around too long and it also means quicker drying times after washing, so you'll get more use out of your socks when you're riding regularly. Features:Material: 81% Polyester, 18% Polyamide, 1% ElastaneFast WickingFast DryingSold in single pairsBuy Troy Lee Designs Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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microSHIFT R8 H082 8 Speed Road Cassette - Silver - 11-28t}, Silver
  • £6.99
  • RRP £18.99
  • Saving you £63

microSHIFT R8 H082 8 Speed Road CassetteIdeal for off-road mountain bike (MTB) trail riding, the microSHIFT R8 H082 is an 8-Speed cassette that's ideal for enduro, cross-country and all-mountain riding. Engineered from nickel plated steel, this cassette is smooth shifting, durable and resistant to corrosion and rust. Plus, it's compatible with standard MTB freehub cassette bodies.Key Features: Cassettes for 8 Speed Gear combination: 12-25T: 12-13-15-17-19-21-23-25 11-28T: 11-13-15-17-19-21-24-28 12-32T: 12-13-15-18-21-24-28-32 11-32T: 11-13-15-18-21-24-28-32 11-34T: 11-13-15-18-21-24-28-34Features: Series: R8 Model No.: CS-H082 Speed: 8-Speed Surface Finish: Nickel Plated Spider: No Cassette Body: Standard Freehub Cog Material: SteelBuy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Vortex BMX Fork Bolt - Black - M24}, Black
  • £6.99
  • RRP £11.99
  • Saving you £42

Stolen Vortex BMX Fork BoltThis top cap is for use with the Stolen Vortex fork. Machined from 6061 Aluminium, it will securely bolt your forks in place and resist the urge to strip threads like some models.Features: Material: CNC 6061 Aluminium Tooling: Tighten with a 6mm Allen Wrench Weight: 14g Buy Stolen BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Vortex BMX Fork Bolt - Silver - M24}, Silver
  • £6.99
  • RRP £11.99
  • Saving you £42

Stolen Vortex BMX Fork BoltThis top cap is for use with the Stolen Vortex fork. Machined from 6061 Aluminium, it will securely bolt your forks in place and resist the urge to strip threads like some models.Features: Material: CNC 6061 Aluminium Tooling: Tighten with a 6mm Allen Wrench Weight: 14g Buy Stolen BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano XTR-XT-SLX-Alfine (G02A) Disc Brake Pad - Resin}
  • £6.99
  • RRP £11.99
  • Saving you £42

Shimano XTR-XT-SLX-Alfine (G02A) Disc Brake PadAlways use Shimano Disc Brake pads to ensure top brake performance and to maintain the safety of your Shimano brake system. The pad compound used on this brake pad is designed to provide controllable performance in a light weight package.Resin Pad Features:Resin pads make less noise than metal pads and offer better modulation. Long pad life and less fade Flexible condition compound Less noise than other pads of similar design Compatible with the following Shimano Models: BR-M9000 - BR-M785 - BR-S700 - BR-R515 - BR-M9020 - BR-M675 - BR-CX75 - BR-R315 - BR-M987 - BR-M666 - BR-RS785 - BR-M985 - BR-M615 - BR-R785 - BR-M8000 - BR-M9000A 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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Maxxis WelterWeight Mountain Bike InnerTube - Black - 48mm Valve, Black
  • £6.99

Maxxis WelterWeight Mountain Bike InnerTubeThis Maxxis Welter Weight MTB Tube is designed for aggressive riders who need a durable MTB tube. These middle-weight MTB tubes from Maxxis are suitable for all disciplines of MTB riding. With a wall thickness of  0.9mm, this Welter Weight MTB Tube will give you another layer of protection on the trail.Features:Wall Thickness: 0.90mmPuncture resistantWeight:27.5x1.9/2.35": 192g (Presta 48mm)27.5x1.9/2.35": 191g (Presta)27.5x2.2/2.5": 223g (Schrader)27.5x2.2/2.5": 222g (Presta)Buy Maxxis Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC B1 Single Speed Bike Chain - Silver - Wide - 112 Links}, Silver
  • £6.99

KMC B1 Single Speed ChainThis high-quality chain is perfectly suited for single speed bikes as it offers powerful torque and excellent smoothness to get you through every run. It features a solid steel construction which handles all the abuse of a long session. Ready for all weather conditions, this brilliant model looks as amazing as it performs thanks to its nickel-plated finish which provides corrosion resistance and less friction. Features: Material: Nickel-plated Steel Use: Internal gear, BMX, fixed gear Speed: Single speed Size: 1/2x3/32" Pin Length: 9.2mm Links: 112Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC B1 Single Speed Bike Chain - Silver - Narrow - 112 Links}, Silver
  • £6.99

KMC B1 Single Speed ChainThis high-quality chain is perfectly suited for single speed bikes as it offers powerful torque and excellent smoothness to get you through every run. It features a solid steel construction which handles all the abuse of a long session. Ready for all weather conditions, this brilliant model looks as amazing as it performs thanks to its nickel-plated finish which provides corrosion resistance and less friction. Features: Material: Nickel-plated Steel Use: Internal gear, BMX, fixed gear Speed: Single speed Size: 1/2x3/32" Pin Length: 9.2mm Links: 112Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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