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 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

Nukeproof Thru Axle Rear 12mm - Black - 175mm Axle 12mm Thread, Black
  • £12.99
  • RRP £17.99
  • Saving you £28

Nukeproof Thru Axle Rear 12mmThis 12mm thru-axle is designed as a direct replacement for riders who want a durable and dependable upgrade for their old standard thru-axle on their mountain bike (MTB). It's equipped with a high-quality 7075 aluminium build, which makes it not only lightweight but also very strong and durable on your mountain bike adventures. This makes it a great choice of upgrade for riders who need to replace a damaged or lost stock axle from their frame.The axle has a washer which helps to reduce pressure on the frame dropouts and transfers some of the tightening torque to the clamping load. This also helps to increase stiffness and prevent the axle from getting stuck when you want to remove it.Nukeproof have created a printable guide that you can use to measure your old axle against and check the exact dimensions to ensure you are selecting the correct axle. It can be downloaded hereAll axles are a 6mm hex on the non-drive side and have a backup hex on the drive-side allowing the axle to be tightened and loosened from either side of the bike.Always apply a small amount of grease to the axle and threads when installing your axle.   Diameter  Axle Length Thread Pitch Thread Pitch Rear 12mm 164mm 1.5 13mm Rear 12mm 170mm 1.5 13mm Rear 12mm 174mm 1.75 20mm Rear 12mm 175mm 1.5 12mm Rear 12mm 180mm 1.75 20mm Rear 12mm 180mm 1 13mm Rear 12mm 181mm 1.5 20mm Features: Material: AL7075 Aluminium CNC Precision engineered Hollow for weight saving Non-driveside 6mm Hex head with a backup driveside Hex for easy fitting & removalBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Cork Bar Tape - Natural, Natural
  • £12.99

Cinelli Cork Bar TapeIf you appreciate the classic look of Cork Bar Tape on your road bike, this tape is a great option from Cinelli. Retaining the same legendary mix of EVA and natural cork that’s given it Worldwide popularity for decades now, this durable and easy to wrap tape will add a touch of class to your bike and give you many miles of increased comfort.Features: Material: Natural Cork and EVA mix Single or Pair: Pair (enough length for all drop bar sizes) Gel or Tape: Tape only Thickness: 2mm Bar Ends Included: Yes Finishing Strips Included: Yes Full-length bar tape Self-adhesive and easy to wrap Various finishes available Buy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Thru Axle Rear 12mm - Black - 181mm Axle 20mm Thread, Black
  • £12.99
  • RRP £17.99
  • Saving you £28

Nukeproof Thru Axle Rear 12mmThis 12mm thru-axle is designed as a direct replacement for riders who want a durable and dependable upgrade for their old standard thru-axle on their mountain bike (MTB). It's equipped with a high-quality 7075 aluminium build, which makes it not only lightweight but also very strong and durable on your mountain bike adventures. This makes it a great choice of upgrade for riders who need to replace a damaged or lost stock axle from their frame.The axle has a washer which helps to reduce pressure on the frame dropouts and transfers some of the tightening torque to the clamping load. This also helps to increase stiffness and prevent the axle from getting stuck when you want to remove it.Nukeproof have created a printable guide that you can use to measure your old axle against and check the exact dimensions to ensure you are selecting the correct axle. It can be downloaded hereAll axles are a 6mm hex on the non-drive side and have a backup hex on the drive-side allowing the axle to be tightened and loosened from either side of the bike.Always apply a small amount of grease to the axle and threads when installing your axle.   Diameter  Axle Length Thread Pitch Thread Pitch Rear 12mm 164mm 1.5 13mm Rear 12mm 170mm 1.5 13mm Rear 12mm 174mm 1.75 20mm Rear 12mm 175mm 1.5 12mm Rear 12mm 180mm 1.75 20mm Rear 12mm 180mm 1 13mm Rear 12mm 181mm 1.5 20mm Features: Material: AL7075 Aluminium CNC Precision engineered Hollow for weight saving Non-driveside 6mm Hex head with a backup driveside Hex for easy fitting & removalBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Seal BMX Switch Front Load Stem - Black - 1.1/8", Black
  • £12.99
  • RRP £14.99
  • Saving you £13

Seal BMX Switch Front Load StemMade from lightweight alloy, the Seal BMX Switch Front Load Stem features a classic front load design with a 50mm reach and 30mm stack height.Features: Material: AlloySteerer Clamp Diameter: 1 1/8" Reach: 50mm Stack Height: 30mm Front load stem Buy Seal BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Adventure Stash Pack - Black - One Size}, Black
  • £12.99
  • RRP £14.99
  • Saving you £13

◌LifeLine Adventure Stash PackThe Adventure Stash Pack offers convenient and low-profile storage to securely hold your journey essentials under you saddle-base between the saddle rails. It is the ideal stash for your cycling must-haves, this adventure pack is perfect for storing a spare tube, cartridge and inflator, multitool, tyre levers and keys. It is also engineered using a 300D Polyester Ripstop fabric with TPU Coating that is 100% waterproof, and it features taped seams and closed zip. Features: Material: 300D Polyester Ripstop with TPU Coating Welded Construction Discreet saddle bag Tucks between your saddle rails Waterproof and full taped seams Reflective logo and zip pull Size: W 150 x H 55 x D 80 mm Capacity: 0.7L Weight: 80gBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tacx Radar Bike Bottle Cage - Black, Black
  • £12.99

Tacx Radar Bike Bottle CageThe Tacx Radar is a side-loading bottle cage that holds onto your hydration bottle securely and you can insert and remove your bottle form the right of left side. Plus, it's the ideal bottle cage for smaller bike frames and is engineered from a strong, durable and lightweight glass fibre compound. Features: Material: Glass Fibre Side-Loading Bottle Cage Suited to smaller bike frames Strong and durable designBuy Tacx Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Gabbia Bottle Cage - Grey, Grey
  • £12.99

Deda Elementi Gabbia Bottle Cage The Gabbia Bottle Cage from Deda Elementi is a lightweight, strong and stylish bottle cage that is engineered from an ultra-durable techno-polymer and it features a special mounting plate that helps for secure mounting to your bike frame.Reliable and Stylish Bottle CageHydration is essential while cycling. During long rides, it is important to have at least one or two water bottles with you. Dehydration can lead to headaches, muscle cramps and dizziness, making your bike ride even more difficult. Deda Elementi cycling bottle cages are functional, secure your much needed hydration and add a stylish touch to your bicycle. Adjustable Mounting PlateThe Gabbia bottle cage features a familiar design with an important update, in fact, the cage can be adjusted thanks to an ingenious mounting plate. With the Gabbia cage mounting plate you can adjust the position by 2cm up or down before fixing.Features: Material: Techno-Polymer High Resistance Durable and lightweight bottle cage Special mounting plate Weight: 40gBuy Deda Elementi Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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FSA Afterburner 1-Piece Disc Brake Rotor - Silver - 180mm}, Silver
  • £12.99

FSA Afterburner 1-Piece Disc Brake RotorUtilizing more material than the K-Force rotor, the stainless steel Afterburner rotor stays cooler on long descents.Features: Lightweight Better cooling Low profileSpecifications: Includes: 6 Chromo Bolts Thickness: 1.8mmBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Gabbia Bottle Cage - White, White
  • £12.99

Deda Elementi Gabbia Bottle Cage The Gabbia Bottle Cage from Deda Elementi is a lightweight, strong and stylish bottle cage that is engineered from an ultra-durable techno-polymer and it features a special mounting plate that helps for secure mounting to your bike frame.Reliable and Stylish Bottle CageHydration is essential while cycling. During long rides, it is important to have at least one or two water bottles with you. Dehydration can lead to headaches, muscle cramps and dizziness, making your bike ride even more difficult. Deda Elementi cycling bottle cages are functional, secure your much needed hydration and add a stylish touch to your bicycle. Adjustable Mounting PlateThe Gabbia bottle cage features a familiar design with an important update, in fact, the cage can be adjusted thanks to an ingenious mounting plate. With the Gabbia cage mounting plate you can adjust the position by 2cm up or down before fixing.Features: Material: Techno-Polymer High Resistance Durable and lightweight bottle cage Special mounting plate Weight: 40gBuy Deda Elementi Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Helmet Mount & Multi Adaptor
  • £12.99

LifeLine Helmet Mount & Multi AdaptorEnhance your visibilty with LifeLine's Helmet Mount & Multi Adaptor, which allows you to mount the powerful Atria 200L or  300L front light as well as the Pavo 720 to your helmet. The LifeLine Helmet Mount & Multi Adaptor will strap securely and quickly to helmet vents.Features:Compatible with LifeLine Atria 200L, Atria 300L and Pavo 720 lightsMounts to helmet ventsEasy and secure fitBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Juice Lubes Dirt Juice Super Concentrated Cleaner - Clear - 1 Litre}, Clear
  • £12.99
  • RRP £14.99
  • Saving you £13

Juice Lubes Dirt Juice Super Concentrated CleanerThis concentrated bike cleaner features a super-strong concentrate and degreaser that leaves your ride shining. It can be used neat to degrease heavily soiled components or it can be diluted to transform into 10L of powerful and fast-acting bike wash.Dirt Juice Super is the Jekyll and Hyde of cleaners and packs two brilliant bike fixes into one big value bottle. Use it neat as a tough-on-muck degreaser to banish grease and grime, breath life back into bits and restore your gear to shining. Dilute 9:1 it with water and it transforms by magic into a fast, powerful, awesomely good value mud repelling bike wash. 1 big value bottle will create a whopping 10 litres of bike cleaner.Features: 1L bottle = 10 litres of Bike Cleaner Convenient bike cleaner refill Makes cleaning cheaper Same cleaning power as regular bike cleaner once diluted Saves on plastic Biodegradable formula Recyclable packagingBuy Juice Lubes Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Gabbia Bottle Cage - Red, Red
  • £12.99

Deda Elementi Gabbia Bottle Cage The Gabbia Bottle Cage from Deda Elementi is a lightweight, strong and stylish bottle cage that is engineered from an ultra-durable techno-polymer and it features a special mounting plate that helps for secure mounting to your bike frame.Reliable and Stylish Bottle CageHydration is essential while cycling. During long rides, it is important to have at least one or two water bottles with you. Dehydration can lead to headaches, muscle cramps and dizziness, making your bike ride even more difficult. Deda Elementi cycling bottle cages are functional, secure your much needed hydration and add a stylish touch to your bicycle. Adjustable Mounting PlateThe Gabbia bottle cage features a familiar design with an important update, in fact, the cage can be adjusted thanks to an ingenious mounting plate. With the Gabbia cage mounting plate you can adjust the position by 2cm up or down before fixing.Features: Material: Techno-Polymer High Resistance Durable and lightweight bottle cage Special mounting plate Weight: 40gBuy Deda Elementi Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Sumo III BMX Sprocket - Matte White - 25t}, Matte White
  • £12.99
  • RRP £22.99
  • Saving you £43

Stolen Sumo III BMX Sprocket6mm thick and made from stiff and durable 6061 aluminium, the Sumo III BMX Sprocket from BMX specialists Stolen will quickly get you up to speed and withstand plenty of use and abuse. CNC machined and anodised to give it a premium look, it will enhance both the performance and the looks of your street or skatepark ready ride.Lightweight BMX Sprocket This stunning model weighs in at only 65g (25T version), so you'll not have to worry about weighing down your ride with unnecessary weight. This is a perfect choice of upgrade for freestyle riders who want a simple, super-strong component for tackling all the challenges that come with BMX riding.Features: Material: CNC Machined 6061 Aluminium Bore: 24mm (15/16") Compatibility: BMX cranksets with 19mm, 22mm and 24mm spindles Bolt Circle Diameter (BCD): Standard BMX single bolt mount Thickness: 6mm Use: BMX Thickness: 6mm Adaptors for 22mm and 19mm spindles included Compatible with Stolen Thermalite sprocket guard (sold separately) Weight: 65g (25T version)Buy Stolen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Gabbia Bottle Cage - Black, Black
  • £12.99

Deda Elementi Gabbia Bottle Cage The Gabbia Bottle Cage from Deda Elementi is a lightweight, strong and stylish bottle cage that is engineered from an ultra-durable techno-polymer and it features a special mounting plate that helps for secure mounting to your bike frame.Reliable and Stylish Bottle CageHydration is essential while cycling. During long rides, it is important to have at least one or two water bottles with you. Dehydration can lead to headaches, muscle cramps and dizziness, making your bike ride even more difficult. Deda Elementi cycling bottle cages are functional, secure your much needed hydration and add a stylish touch to your bicycle. Adjustable Mounting PlateThe Gabbia bottle cage features a familiar design with an important update, in fact, the cage can be adjusted thanks to an ingenious mounting plate. With the Gabbia cage mounting plate you can adjust the position by 2cm up or down before fixing.Features: Material: Techno-Polymer High Resistance Durable and lightweight bottle cage Special mounting plate Weight: 40gBuy Deda Elementi Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Mobi Eco Bike Cleaner Concentrate (950ml) - 950ml}
  • £12.99
  • RRP £14.99
  • Saving you £13

Mobi Eco Bike Cleaner Concentrate (950ml)The Mobi Eco Bike Cleaner Concentrate is perfect for use on any surface,  including paintwork and clear coat bike finishes. Simply mix one-part  concentrate to four-part water and you have an economical, cost effective bike  cleaner that will restore you bike to its most pristine condition while not being harmful to the environment.First Step of Bike MaintenanceIts fast-acting formula begins to work instantly, removing grease, oil  and dirt. Should you be riding the dirtiest of winter trails at your local bike  park, riding filthy winter routes on the road or tackling muddy cyclocross  trails, this bike cleaner makes the first step in bike maintenance simple.Minimal Environmental ImpactThe Mobi Eco Bike Cleaner Concentrate is fast acting and works straight away. It  rinses off your bike and components easily and thanks to its citrus formula, it  smells nice. An additional benefit is that it is also Eco friendly, is biodegradable and has minimal impact on the environment.Features:  Contents: 950mm  100% Acid Free  Free From Petroleum Based Solvents  Fast Acting Formula  Simply Mix One Part Concentrate to Four Parts Water  Removes Dirt, Grease & Oil  Paintwork and Clearcoat SafeBuy Mobi Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Comp Racer Socks - Red - M}, Red
  • £12.99

Giro Comp Racer SocksLook and feel great thanks to the classic Italian styling of the Comp Racer Socks from Giro. All you need for a comfortable ride out at any time of the year, these socks are fast to wick moisture away from the skin, feel great against your feet and feature a subtle no-show 3” cuff.Features:Premium polyester constructionNo-Show 3" CuffMade in ItalyBuy Giro Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Sumo III BMX Sprocket - Blue - 25t}, Blue
  • £12.99
  • RRP £22.99
  • Saving you £43

Stolen Sumo III BMX Sprocket6mm thick and made from stiff and durable 6061 aluminium, the Sumo III BMX Sprocket from BMX specialists Stolen will quickly get you up to speed and withstand plenty of use and abuse. CNC machined and anodised to give it a premium look, it will enhance both the performance and the looks of your street or skatepark ready ride.Lightweight BMX Sprocket This stunning model weighs in at only 65g (25T version), so you'll not have to worry about weighing down your ride with unnecessary weight. This is a perfect choice of upgrade for freestyle riders who want a simple, super-strong component for tackling all the challenges that come with BMX riding.Features: Material: CNC Machined 6061 Aluminium Bore: 24mm (15/16") Compatibility: BMX cranksets with 19mm, 22mm and 24mm spindles Bolt Circle Diameter (BCD): Standard BMX single bolt mount Thickness: 6mm Use: BMX Thickness: 6mm Adaptors for 22mm and 19mm spindles included Compatible with Stolen Thermalite sprocket guard (sold separately) Weight: 65g (25T version)Buy Stolen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Narrow Wide MTB Single Chainring - Orange - 4-Bolt, Orange
  • £12.99
  • RRP £44.95
  • Saving you £71

Race Face Narrow Wide MTB Single ChainringA highly advanced mountain bike narrow wide chainring, Raceface's unique design brings you the strength and chain retention you need for attacking the trails hard. Made from T6-7075 aluminium, it's tough enough for DH riders, yet still light enough for long distance Singlespeed and XC riders. This MTB chainring can be used on 9,10 and 11 speed drivetrains and will keep your chain in place over the roughest terrain.Features:  Material: 7075-T6 Aluminium (Aerospace Grade Strength)  Size: 30 (Threaded Holes), 32, 34, 36 (4-bolt)  110mm and 130mm BCD are 5-bolt  Narrow Wide Tooth profiling ensures ultimate chain retention  Stiff 4mm plate thickness and I-beam construction transfer loads without flexing  Reversible laser etched graphics.  Compatibility: 9,10 and 11-speed  Note: 30T comes with threaded holes  Weight: 37-57g; 36T: 50gManufacturer Reference Codes:  104mm Black 30T: RRSNNW104X30BLK; 104mm Red 30T: RRSNNW104X30RED; 104mm Black 32T: RRSNNW104X32BLK; 104mm Red 32T: RRSNNW104X32RED; 104mm Black 34T: RRSNNW104X34BLK; 104mm Red 34T:RRSNNW104X34RED; 104mm Black 36T: RRSNNW104X36BLK; 104mm Red 36T: RRSNNW104X36RED; 104mm Blue 30T: RRSNNW104X30BLU; 104mm Green 30T: RRSNNW104X30GRN; 104mm Blue 32T: RRSNNW104X32BLU; 104mm Green 32T: RRSNNW104X32GRN; 104mm Blue 34T: RRSNNW104X34BLU; 104mm Green 34T: RRSNNW104X34GRN; 104mm Blue 36T: RRSNNW104X36BLU; 104mm Green 36T: RRSNNW104X36GRN; 104mm Black 38T:RRSNNW104X38BLK; 104mm Blue 38T: RRSNNW104X38BLU; 104mm Green 38T: RRSNNW104X38GRN; 104mm Red 38T: RRSNNW104X38RED; 104mm Orange 32T: RRSNNW104X32ORA; 104mm Orange 34T: RRSNNW104X34ORA; 104mm Orange 36T: RRSNNW104X36ORA; 104mm Orange 38T: RRSNNW104X38ORA; 104mm Purple 30T: RRSNNW104X30PUR; 104mm Purple 32T: RRSNNW104X32PUR; 104mm Purple 34T: RRSNNW104X34PUR; 104mm Purple 36T:RRSNNW104X36PUR; 104mm Purple 38T: RRSNNW104X38PUR; 104mm Orange 30T: RRSNNW104X30ORA; 110mm Black 38T: RRSNNW110X38BLK; 110mm Black 40T: RRSNNW110X40BLK; 110mm Black 42T: RRSNNW110X42BLK; 130mm Black 40T: RRSNNW130X40BLK; 130mm Black 42T: RRSNNW130X42BLK; 130mm Black 44T: RRSNNW130X44BLKBuy Race Face Components from Chain Reaction Cycles, The World's Largest Online Bike Store.

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Joe's No Flats Elite Racer's Sealant - 500ml}
  • £12.99
  • RRP £14.99
  • Saving you £13

Joe's No Flats Elite Racer's SealantJoe's No Flats Elite Racer's SealantScientifically developed to meet the high demands of professional Mountain Bike racers. Instantly seals punctures in the tread up to 6mm.Seals small slits faster and more permanently than any other sealant on the market. For use in tubeless tires, tubular and inner-tubes. Recommended Amount for 1 mountain bike wheel, tubeless, tubular or inner-tube: 60-120 ml for XCand CX wheels. 120-180 ml for AM, FR and DH tires.  For effective puncture resistance, add fresh sealant every 3-8 months. This bottle is good for 3-8 mountain bike wheels.Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Sumo III BMX Sprocket - Red - 28t}, Red
  • £12.99
  • RRP £22.99
  • Saving you £43

Stolen Sumo III BMX Sprocket6mm thick and made from stiff and durable 6061 aluminium, the Sumo III BMX Sprocket from BMX specialists Stolen will quickly get you up to speed and withstand plenty of use and abuse. CNC machined and anodised to give it a premium look, it will enhance both the performance and the looks of your street or skatepark ready ride.Lightweight BMX Sprocket This stunning model weighs in at only 65g (25T version), so you'll not have to worry about weighing down your ride with unnecessary weight. This is a perfect choice of upgrade for freestyle riders who want a simple, super-strong component for tackling all the challenges that come with BMX riding.Features: Material: CNC Machined 6061 Aluminium Bore: 24mm (15/16") Compatibility: BMX cranksets with 19mm, 22mm and 24mm spindles Bolt Circle Diameter (BCD): Standard BMX single bolt mount Thickness: 6mm Use: BMX Thickness: 6mm Adaptors for 22mm and 19mm spindles included Compatible with Stolen Thermalite sprocket guard (sold separately) Weight: 65g (25T version)Buy Stolen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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