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

Miche Track Sprocket (3-32") - Silver - 15t}, Silver
  • £14.99

Miche Track Sprocket (3/32")The Miche 3/32" Track sprocket is made from heat-treated chrome-plated steel and fits standard single speed and track hubs. Features: Material: Heat-treated chrome-plated steel  Thickness: 3/32" Weight: 22g(14T)Please note: These cogs are not supplied with the necessary carrier or lockring. In order to make these sprockets compatible with threaded hubs, a splined adaptor needs to be screwed onto the hub just like a normal cog first. Once the adaptor is fitted, you can then slide the Miche sprocket onto the carrier.Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Track Sprocket (3-32") - Silver - 16t}, Silver
  • £14.99

Miche Track Sprocket (3/32")The Miche 3/32" Track sprocket is made from heat-treated chrome-plated steel and fits standard single speed and track hubs. Features: Material: Heat-treated chrome-plated steel  Thickness: 3/32" Weight: 22g(14T)Please note: These cogs are not supplied with the necessary carrier or lockring. In order to make these sprockets compatible with threaded hubs, a splined adaptor needs to be screwed onto the hub just like a normal cog first. Once the adaptor is fitted, you can then slide the Miche sprocket onto the carrier.Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Track Sprocket (3-32") - Silver - 17t}, Silver
  • £14.99

Miche Track Sprocket (3/32")The Miche 3/32" Track sprocket is made from heat-treated chrome-plated steel and fits standard single speed and track hubs. Features: Material: Heat-treated chrome-plated steel  Thickness: 3/32" Weight: 22g(14T)Please note: These cogs are not supplied with the necessary carrier or lockring. In order to make these sprockets compatible with threaded hubs, a splined adaptor needs to be screwed onto the hub just like a normal cog first. Once the adaptor is fitted, you can then slide the Miche sprocket onto the carrier.Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Track Sprocket (3-32") - Silver - 18t}, Silver
  • £14.99

Miche Track Sprocket (3/32")The Miche 3/32" Track sprocket is made from heat-treated chrome-plated steel and fits standard single speed and track hubs. Features: Material: Heat-treated chrome-plated steel  Thickness: 3/32" Weight: 22g(14T)Please note: These cogs are not supplied with the necessary carrier or lockring. In order to make these sprockets compatible with threaded hubs, a splined adaptor needs to be screwed onto the hub just like a normal cog first. Once the adaptor is fitted, you can then slide the Miche sprocket onto the carrier.Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Integrated Track Sprocket - Silver - 14t}, Silver
  • £14.99

Miche Integrated Track SprocketThis superb model is made from heat-treated chrome-plated steel and fits track hubs for maximum performance. Its lightweight and threaded design means you won't have to worry about putting any unnecessary excess weight on your ride.Features: Material: Heat-treated and Chrome-plated Steel Compatibility: 1/8" Threaded Weight: 26g (13T version)Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Integrated Track Sprocket - Silver - 15t}, Silver
  • £14.99

Miche Integrated Track SprocketThis superb model is made from heat-treated chrome-plated steel and fits track hubs for maximum performance. Its lightweight and threaded design means you won't have to worry about putting any unnecessary excess weight on your ride.Features: Material: Heat-treated and Chrome-plated Steel Compatibility: 1/8" Threaded Weight: 26g (13T version)Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Integrated Track Sprocket - Silver - 16t}, Silver
  • £14.99

Miche Integrated Track SprocketThis superb model is made from heat-treated chrome-plated steel and fits track hubs for maximum performance. Its lightweight and threaded design means you won't have to worry about putting any unnecessary excess weight on your ride.Features: Material: Heat-treated and Chrome-plated Steel Compatibility: 1/8" Threaded Weight: 26g (13T version)Buy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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microSHIFT R9 H092 9 Speed Road Cassette - Silver - 11-28t}, Silver
  • £14.99
  • RRP £21.99
  • Saving you £32

microSHIFT R9 H092 9 Speed Road CassetteThe microSHIFT R9 H092 is a top-performing and ultra-durable steel cassette that's compatible 9-Speed drivetrain transmissions. It features a corrosion resistant nickel-plated coating and is machined for strength and reliability - this cassette is suited to cross country, enduro and all-mounting riding in all conditions.Key Features: 11-25T: 11-12-13-15-17-19-21-23-25 (273g) 12-25T: 12-13-14-15-17-19-21-23-25 (276g) 11-28T: 11-12-13-15-17-19-21-24-28 (276g) 11-32T: 11-13-15-17-19-21-24-28-32 (337g) 11-34T: 11-13-15-17-19-21-24-28-34 (363g) 11-36T: 11-13-15-18-21-24-28-32-36 (443g)Features: Series: R9 Model No.: CS-H092 Speed: 9-Speed Surface: Nickel Plated Sprockets Spider: No Cassette Body: Standard Freehub Cog Material: Steel Weight: 337g (11-32T)Buy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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microSHIFT R9 H092 9 Speed Road Cassette - Silver - 11-32t}, Silver
  • £14.99
  • RRP £21.99
  • Saving you £32

microSHIFT R9 H092 9 Speed Road CassetteThe microSHIFT R9 H092 is a top-performing and ultra-durable steel cassette that's compatible 9-Speed drivetrain transmissions. It features a corrosion resistant nickel-plated coating and is machined for strength and reliability - this cassette is suited to cross country, enduro and all-mounting riding in all conditions.Key Features: 11-25T: 11-12-13-15-17-19-21-23-25 (273g) 12-25T: 12-13-14-15-17-19-21-23-25 (276g) 11-28T: 11-12-13-15-17-19-21-24-28 (276g) 11-32T: 11-13-15-17-19-21-24-28-32 (337g) 11-34T: 11-13-15-17-19-21-24-28-34 (363g) 11-36T: 11-13-15-18-21-24-28-32-36 (443g)Features: Series: R9 Model No.: CS-H092 Speed: 9-Speed Surface: Nickel Plated Sprockets Spider: No Cassette Body: Standard Freehub Cog Material: Steel Weight: 337g (11-32T)Buy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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microSHIFT R9 H092 9 Speed Road Cassette - Silver - 11-34t}, Silver
  • £14.99
  • RRP £21.99
  • Saving you £32

microSHIFT R9 H092 9 Speed Road CassetteThe microSHIFT R9 H092 is a top-performing and ultra-durable steel cassette that's compatible 9-Speed drivetrain transmissions. It features a corrosion resistant nickel-plated coating and is machined for strength and reliability - this cassette is suited to cross country, enduro and all-mounting riding in all conditions.Key Features: 11-25T: 11-12-13-15-17-19-21-23-25 (273g) 12-25T: 12-13-14-15-17-19-21-23-25 (276g) 11-28T: 11-12-13-15-17-19-21-24-28 (276g) 11-32T: 11-13-15-17-19-21-24-28-32 (337g) 11-34T: 11-13-15-17-19-21-24-28-34 (363g) 11-36T: 11-13-15-18-21-24-28-32-36 (443g)Features: Series: R9 Model No.: CS-H092 Speed: 9-Speed Surface: Nickel Plated Sprockets Spider: No Cassette Body: Standard Freehub Cog Material: Steel Weight: 337g (11-32T)Buy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Wall Mounted Folding Bike Rack - Black - One Size}, Black
  • £14.99

LifeLine Wall Mounted Folding Bike RackThe LifeLine Wall Mounted Folding Bike Rack is an ideal bike storage solution for those with limited floor space. Its 245mm wide arm holds bikes of up to 20kg securely and it conveniently folds away when it's not needed.Features:  Material: Durable Steel construction  Folds away for convenience  Rubber coated hangers protect frame's paintwork  245mm wide hanger with pivot for stability  Suitable for most frame sizes and bike types  305mm folding arm  60mm wide hooks  Maximum 20kg loadBuy LifeLine Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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VeloToze Tall Overshoess 2.0 2020 - Green - S}, Green
  • £14.99
  • RRP £19.99
  • Saving you £25

Velotoze Tall Shoe Covers 2.0The original Velotoze overshoes were a massive hit, keeping road cyclists feet dry and aerodynamic in foul weather. The latest Tall Shoe Covers 2.0 are just as good but are now more durable and easier to fit. VetoToze have kept everything much loved about their Velotoze overshoes, namely completely waterproof and lightweight performance, but have addressed some of the issues on those first-generation designs. First and foremost the durability has been improved, with reinforcements on the bottom and in the toe area. A special coating has also been added to the inside of the covers so they're easier to dry and use again. Win-Win. VeloToze Tall Shoe Covers are designed for road cycling on cold, rainy or snowy days. Whether it’s race day, training day or just another commute day, VeloToze Tall Shoe Covers will keep your feet dry, warm and comfortable.HOW TO FIT YOUR VELOTOZE OVERSHOESDue to the fully flexible design without zippers or velcro, there is a recommended method for getting the VeloToze on. Once you've mastered it you'll find it does become second nature and a simple, easy process.1: Put on sock2: Pull shoe cover/overshoe on over your sock3: Put foot through large cleat hole, and pull shoe cover up around ankle4: Put on road bike shoe5: Pull shoe cover down over the heel of shoe FIRST, then toe6: Adjust around ankle, cleats and heel pad. Ensure no part of shoe covers/overshoe are over cleats or heel pad.Note: Pull top of shoe cover over sock or under leg warmers. The top of the shoe cover needs to be against your skin or water may enter the shoe cover.Warning: Shoe cover may tear if you do not FIRST put on shoe cover, then shoe.Road Shoe compatible onlyFeatures:Materials: 100% Latex RubberLatex construction - Please note these are a latex rubber product so not suitable if allergic to latex productsWaterproof: designed to form a tight seal with your calf, to keep your feet and shoes dryWindproof: windproof materials keep your feet warm even on cold morning or winter rides (5C/40F to 16C/60F)Reinforced: reinforced on the bottom and in the toe area for increased durabilityLightweight: made of a flexible, lightweight material that doesn't retain water when wetNo zippers or velcro straps : innovative overshoe design has no vulnerability points, like zippers or velcroAerodynamic: smooth, flexible material creates a form-fitting designCompact: easily fits in jersey pocket or saddle bagRoad Shoes onlyBuy Velotoze from Chain Reaction Cycles, the World's Largest Online Bike Store.

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VeloToze Tall Overshoess 2.0 2020 - Yellow - XL}, Yellow
  • £14.99
  • RRP £19.99
  • Saving you £25

Velotoze Tall Shoe Covers 2.0The original Velotoze overshoes were a massive hit, keeping road cyclists feet dry and aerodynamic in foul weather. The latest Tall Shoe Covers 2.0 are just as good but are now more durable and easier to fit. VetoToze have kept everything much loved about their Velotoze overshoes, namely completely waterproof and lightweight performance, but have addressed some of the issues on those first-generation designs. First and foremost the durability has been improved, with reinforcements on the bottom and in the toe area. A special coating has also been added to the inside of the covers so they're easier to dry and use again. Win-Win. VeloToze Tall Shoe Covers are designed for road cycling on cold, rainy or snowy days. Whether it’s race day, training day or just another commute day, VeloToze Tall Shoe Covers will keep your feet dry, warm and comfortable.HOW TO FIT YOUR VELOTOZE OVERSHOESDue to the fully flexible design without zippers or velcro, there is a recommended method for getting the VeloToze on. Once you've mastered it you'll find it does become second nature and a simple, easy process.1: Put on sock2: Pull shoe cover/overshoe on over your sock3: Put foot through large cleat hole, and pull shoe cover up around ankle4: Put on road bike shoe5: Pull shoe cover down over the heel of shoe FIRST, then toe6: Adjust around ankle, cleats and heel pad. Ensure no part of shoe covers/overshoe are over cleats or heel pad.Note: Pull top of shoe cover over sock or under leg warmers. The top of the shoe cover needs to be against your skin or water may enter the shoe cover.Warning: Shoe cover may tear if you do not FIRST put on shoe cover, then shoe.Road Shoe compatible onlyFeatures:Materials: 100% Latex RubberLatex construction - Please note these are a latex rubber product so not suitable if allergic to latex productsWaterproof: designed to form a tight seal with your calf, to keep your feet and shoes dryWindproof: windproof materials keep your feet warm even on cold morning or winter rides (5C/40F to 16C/60F)Reinforced: reinforced on the bottom and in the toe area for increased durabilityLightweight: made of a flexible, lightweight material that doesn't retain water when wetNo zippers or velcro straps : innovative overshoe design has no vulnerability points, like zippers or velcroAerodynamic: smooth, flexible material creates a form-fitting designCompact: easily fits in jersey pocket or saddle bagRoad Shoes onlyBuy Velotoze from Chain Reaction Cycles, the World's Largest Online Bike Store.

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VeloToze Tall Overshoess 2.0 2020 - Hi-Viz Yellow - S}, Hi-Viz Yellow
  • £14.99
  • RRP £19.99
  • Saving you £25

Velotoze Tall Shoe Covers 2.0The original Velotoze overshoes were a massive hit, keeping road cyclists feet dry and aerodynamic in foul weather. The latest Tall Shoe Covers 2.0 are just as good but are now more durable and easier to fit. VetoToze have kept everything much loved about their Velotoze overshoes, namely completely waterproof and lightweight performance, but have addressed some of the issues on those first-generation designs. First and foremost the durability has been improved, with reinforcements on the bottom and in the toe area. A special coating has also been added to the inside of the covers so they're easier to dry and use again. Win-Win. VeloToze Tall Shoe Covers are designed for road cycling on cold, rainy or snowy days. Whether it’s race day, training day or just another commute day, VeloToze Tall Shoe Covers will keep your feet dry, warm and comfortable.HOW TO FIT YOUR VELOTOZE OVERSHOESDue to the fully flexible design without zippers or velcro, there is a recommended method for getting the VeloToze on. Once you've mastered it you'll find it does become second nature and a simple, easy process.1: Put on sock2: Pull shoe cover/overshoe on over your sock3: Put foot through large cleat hole, and pull shoe cover up around ankle4: Put on road bike shoe5: Pull shoe cover down over the heel of shoe FIRST, then toe6: Adjust around ankle, cleats and heel pad. Ensure no part of shoe covers/overshoe are over cleats or heel pad.Note: Pull top of shoe cover over sock or under leg warmers. The top of the shoe cover needs to be against your skin or water may enter the shoe cover.Warning: Shoe cover may tear if you do not FIRST put on shoe cover, then shoe.Road Shoe compatible onlyFeatures:Materials: 100% Latex RubberLatex construction - Please note these are a latex rubber product so not suitable if allergic to latex productsWaterproof: designed to form a tight seal with your calf, to keep your feet and shoes dryWindproof: windproof materials keep your feet warm even on cold morning or winter rides (5C/40F to 16C/60F)Reinforced: reinforced on the bottom and in the toe area for increased durabilityLightweight: made of a flexible, lightweight material that doesn't retain water when wetNo zippers or velcro straps : innovative overshoe design has no vulnerability points, like zippers or velcroAerodynamic: smooth, flexible material creates a form-fitting designCompact: easily fits in jersey pocket or saddle bagRoad Shoes onlyBuy Velotoze from Chain Reaction Cycles, the World's Largest Online Bike Store.

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VeloToze Tall Overshoess 2.0 2020 - Green - XL}, Green
  • £14.99
  • RRP £19.99
  • Saving you £25

Velotoze Tall Shoe Covers 2.0The original Velotoze overshoes were a massive hit, keeping road cyclists feet dry and aerodynamic in foul weather. The latest Tall Shoe Covers 2.0 are just as good but are now more durable and easier to fit. VetoToze have kept everything much loved about their Velotoze overshoes, namely completely waterproof and lightweight performance, but have addressed some of the issues on those first-generation designs. First and foremost the durability has been improved, with reinforcements on the bottom and in the toe area. A special coating has also been added to the inside of the covers so they're easier to dry and use again. Win-Win. VeloToze Tall Shoe Covers are designed for road cycling on cold, rainy or snowy days. Whether it’s race day, training day or just another commute day, VeloToze Tall Shoe Covers will keep your feet dry, warm and comfortable.HOW TO FIT YOUR VELOTOZE OVERSHOESDue to the fully flexible design without zippers or velcro, there is a recommended method for getting the VeloToze on. Once you've mastered it you'll find it does become second nature and a simple, easy process.1: Put on sock2: Pull shoe cover/overshoe on over your sock3: Put foot through large cleat hole, and pull shoe cover up around ankle4: Put on road bike shoe5: Pull shoe cover down over the heel of shoe FIRST, then toe6: Adjust around ankle, cleats and heel pad. Ensure no part of shoe covers/overshoe are over cleats or heel pad.Note: Pull top of shoe cover over sock or under leg warmers. The top of the shoe cover needs to be against your skin or water may enter the shoe cover.Warning: Shoe cover may tear if you do not FIRST put on shoe cover, then shoe.Road Shoe compatible onlyFeatures:Materials: 100% Latex RubberLatex construction - Please note these are a latex rubber product so not suitable if allergic to latex productsWaterproof: designed to form a tight seal with your calf, to keep your feet and shoes dryWindproof: windproof materials keep your feet warm even on cold morning or winter rides (5C/40F to 16C/60F)Reinforced: reinforced on the bottom and in the toe area for increased durabilityLightweight: made of a flexible, lightweight material that doesn't retain water when wetNo zippers or velcro straps : innovative overshoe design has no vulnerability points, like zippers or velcroAerodynamic: smooth, flexible material creates a form-fitting designCompact: easily fits in jersey pocket or saddle bagRoad Shoes onlyBuy Velotoze from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Replacement Chain Guide Bashguard - Black - n-a}, Black
  • £14.99

Nukeproof Replacement Chain Guide BashguardThis replacement bash guard is specifically designed for use with Nukeproof chain guides. Ready for fast and rebellious off-road runs, this model features a polymide construction which makes it more than capable of handling all the sudden knocks and jolts from the trails.Please note: Bolts are not supplied with this model. Replacement bolt kits are available separately.Features: Material: Polymide Use: MTB Compatibility: Nukeproof chain guidesBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Replacement Chain Guide Top Guide - Black, Black
  • £14.99

Nukeproof Replacement Chain Guide Top GuideThis replacement top guide is specifically engineered for use with Nukeproof chain guides. All set for rowdy and rebellious off-road adventures, this fantastic version features a polymide construction which makes it perfect at withstanding all the intensity that comes with all-day epics in the mountains.Please note: Bolts are not supplied with this model. Replacement bolt kits are available separately.Features: Material: Polymide Use: MTB Compatibility: Nukeproof chain guidesBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vitus Energie EVO Chain Guide (2021-Present) - Black, Black
  • £14.99

Vitus Energie EVO Chain Guide (2021-Present)This chain guide is the same that's supplied with the 2021 Vitus Energie Carbon CX bikes. It mounts to the front derailleur hanger mounting points on your frame and can be used when the bike is run in a 1X chainring setup. The chain guide is not intended for a 2X setup where the front derailleur acts as a chain guide. The chain guide should work with any bike with a removable front derailleur hanger with a gravel or CX size from chainring. Features: Use: Cyclocross (CX) Compatibility: 2021 Vitus Energie Carbon CX bikes Mount: Front derailleur hanger mounting pointsBuy Vitus Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Squalo Bar Tape - Black, Black
  • £14.99
  • RRP £19.99
  • Saving you £25

Deda Elementi Squalo Bar TapeCreated with an advanced polymer and a dense EVA central foam, the Squalo Bar Tape is ideal for racing and long-distance rides. The polymer tape provides excellent grip in wet weather or as you’re transitioning on a Triathlon and the foamed central area soaks up vibrations. Deda Elementi added this to give you better control over poor road surfaces and less hand pain from road feedback and sudden shocks. Features: Material: Special Polymer combined with an Ethylene Vinyl Acetate (EVA) foam membrane Guaranteed comfort in a flexible and elastic tape Length: 180cm (each) Single or Pair: Pair (enough length for all drop bar sizes) Width: 30mm Thickness: 2.5mm in the centre for great comfort, 0.5mm at the edge for a perfectly tight wrap Gel or Tape: Tape only Bar Ends Included: Yes Use: Road, Triathlon Weight: 95g per setBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Bubble Bar Tape - Red, Red
  • £14.99

Cinelli Bubble Bar TapeBringing a unique feel and performance to your road bars, this bubbled tape enhances hand comfort on long days of riding. Created with airtight, padded bubbles running all over the tape, it offers an easy grip and a high level of cushioning and vibration damping to keep you pain-free and poised on every journey. Sticky-backed for simple installation, this innovative tape also works hard to absorb sweat and moisture, for a fantastic all-round performance. Features Technology:  Air Cushion bubbles Grip:  Firm Use:  Road Buy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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