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

Race Face Crank Boots for Carbon Cranks - Red - Pair}, Red
  • £2.99
  • RRP £7.95
  • Saving you £62

Race Face Crank Boots for Carbon CranksAggressive mountain bike riding can quite easily cause damage to your expensive carbon fibre components, so Race Face brings you its lightweight yet protective Crank Boots. Simple to install, they slip over the ends of your chainset’s carbon crank arms, protecting them from rock strikes, tricky tree roots and anything else you encounter on the trails.Race Face products are ready for some of the most abusive riding conditions out there, made for riders who value function as well as fashion. Tested on North Vancouver's notorious "Shore", you'll be safe in the knowledge that your Race Face gear can take on whatever you throw at it. Features: Material: Durable Race Face proprietary plastic blend Protective rubber boots to fit over the end of your carbon crank arms Compatibility: Race Face NEXT, NEXT SL, SIXC All SRAM carbon cranks Shimano XTR, XT, SLX, Saint and Gravity cranks Buy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Alfine DI2 Rear Hub Spares - Black-Silver - For Veritcal Drop outs}, Black-Silver
  • £2.99
  • RRP £15.99
  • Saving you £81

Shimano Alfine DI2 Rear Hub SparesThe Shimano Alfine DI2 Rear Hub Spares are replacement nuts and spacers for the Alfine DI2 Rear Hub.Features: SHIMANO Alfine NON-TURN WASHER FOR VERTICAL DROP TYPE END Shimano Part Number: KSMS7050001Buy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano HollowTech II Crank Install Tool - Black, Black
  • £2.99

Shimano Crank Install Tool HollowTech IIDesigned specifically for the removal and installation of HollowTech II chainsets and Bottom brackets.A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM Racing Mountain Bike Handlebar Grips - Black - 130mm}, Black
  • £2.99
  • RRP £7.00
  • Saving you £57

SRAM Racing GripsGenuine SRAM racing grips.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zefal Toe Clips 43 - Black - Medium}, Black
  • £2.99
  • RRP £4.99
  • Saving you £40

Zefal Toe Clips 43The Zefal Toe-Clips 43 are fully adjustable and compatible with most flat pedals. These toe clips come with all required mounting hardware and are suitable for all kinds of uses including touring, commuting, MTB and road riding.Features: Material: Technopolymer Toe-Clip Type: Two prongedBuy Zefal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zefal Toe Clips 43 - Black - Large}, Black
  • £2.99
  • RRP £4.99
  • Saving you £40

Zefal Toe Clips 43The Zefal Toe-Clips 43 are fully adjustable and compatible with most flat pedals. These toe clips come with all required mounting hardware and are suitable for all kinds of uses including touring, commuting, MTB and road riding.Features: Material: Technopolymer Toe-Clip Type: Two prongedBuy Zefal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DT Swiss Competition Race Spokes (18 Pack) - Black - 257mm}, Black
  • £2.99
  • RRP £15.49
  • Saving you £81

DT Swiss Competition Race Spokes (18 Pack)The Competition Race Spokes (18 Pack) from DT Swiss is an even lighter spoke than the already lightweight DT Swiss Competition spokes. However, these spokes are still very strong and durable for high-performance wheel builds.DT Competition Race is an evolution of the already light DT Competition. The extra thin middle section saves an astonishing 70 g compared to the classic version at almost equal stiffness and durability. Double ButtedThese spokes have two different diameters. The spoke is partially butted by cold forging. This reduces the diameter and enables weight reduction while improving the elongation values. Features: Thread: 2.0mm Spoke Head Height: 6.2mm Diameter 1: 1.6mm Diameter 2: 2.0mm Diameter 3: 1.8mm Suitable for E-Bikes: No Weight: 312 g for 64 spokes at a length of 264 mmBuy DT Swiss Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB Mountain Bike Inner Tube - 26"
  • £2.99
  • RRP £4.99
  • Saving you £40

WTB Mountain Bike Inner TubeThe humble inner tube can often go overlooked, that is until you are stuck at the side of the trail with a hole in your tube and no spare to fix it. WTB was founded in Marin County, California in 1982, fuelled by the need to create durable and reliable mountain bike-specific equipment.Wheel Type: Weight - Valve type - Size XC MTB: 170g - Presta - 26 x 1.5/2.2 FR MTB: 240g - Presta - 26 x 2.3/3.0 29": 235g - Presta - 29 x 1.9/2.3 XC MTB: 175g - Schrader - 26 x 26 x 1.5/2.2Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB Inner 700c Road Tube - 28 - 35c
  • £2.99
  • RRP £3.99
  • Saving you £25

WTB Road TubeWTB was founded in Marin County, California in 1982, fuelled by the need to create durable and reliable mountain bike-specific equipment. Their rim strip comes as a pair and features a WTB logo. 700 x 52c Presta FV with WTB Logo Valve CapBuy WTB Road Tube from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Avid IS to Post Disc Brake Adaptor and Bolts - Black - 0mm IS - Front 160/Rear 140 - SS Bolts}, Black
  • £2.99
  • RRP £16.00
  • Saving you £81

Avid IS to Post Disc Brake Adaptor and BoltsAvid brake spares are high quality replacement parts for your MTB brakes. Since 1991, Avid has been working hard to bring you the industry's most dramatic improvements and make enhancements so sweet it's hard to imagine riding without them. Avid represents component engineering at its best.Features:185mm/51mm IS/74mm/Fork PMRotor size = 185mmCaliper Fit = 51mm ISBike Mount Fit = 74mmFrame or Fork Fit = Fork Post Mount0 IS - Front 160/Rear 140 - SS Bolts20 IS - Front 180/Rear 160 - SS BoltMag = Lighter Magnesium adapters. All others are alloyBuy Avid Disc Brake Adaptor from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Oakley Mayhem Tear-Offs - Clear - 25 Pack}, Clear
  • £3.00
  • RRP £14.99
  • Saving you £80

Oakley Mayhem Tear-OffsLapped riders are a firing squad, and they're more than happy to pull the trigger on a blast of tire roost. Refuse to wear a blindfold.Keep your vision clear and crisp with these tearoffs made of premium optical grade MYLAR. They're specially engineered for the Oakley MAYHEM MX goggle and we laminated them for even more performance clarity.Lamination keeps dirt from infiltrating the layers, and it limits the number of reflective surfaces while battling a track demon called refraction. It's an optical thing that distorts vision, and these tearoffs virtually eliminate it. Each pack comes with two laminated stacks of seven, giving you a total of fourteen tearoffs. The grab tabs make deployment fast and easy, so when champions like James Stewart are gunning for victory, they go in locked and loaded with a full stack on Oakley MAYHEM MX.Buy Oakley Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Oakley Mayhem Tear-Offs - Clear - 14 Pack Laminated}, Clear
  • £3.00
  • RRP £14.99
  • Saving you £80

Oakley Mayhem Tear-OffsLapped riders are a firing squad, and they're more than happy to pull the trigger on a blast of tire roost. Refuse to wear a blindfold.Keep your vision clear and crisp with these tearoffs made of premium optical grade MYLAR. They're specially engineered for the Oakley MAYHEM MX goggle and we laminated them for even more performance clarity.Lamination keeps dirt from infiltrating the layers, and it limits the number of reflective surfaces while battling a track demon called refraction. It's an optical thing that distorts vision, and these tearoffs virtually eliminate it. Each pack comes with two laminated stacks of seven, giving you a total of fourteen tearoffs. The grab tabs make deployment fast and easy, so when champions like James Stewart are gunning for victory, they go in locked and loaded with a full stack on Oakley MAYHEM MX.Buy Oakley Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Osprey Washbag Carry-on SS19 - Shadow Grey - One Size}, Shadow Grey
  • £3.00
  • RRP £10.00
  • Saving you £70

Osprey Washbag Carry-OnA super convenient washbag with a large zipper opening which is ideal for carrying all your toiletries. The bag comes with a transparent design that makes it easy to find specific items.FeaturesTransparent main compartmentConforms to EU maximum Carry-On luggage sizeWeighs 0.04kgDimensions: 12cm x 22cm x 4cmBuy Osprey Holdalls from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Head Doctor Headset Bolt - Silver, Silver
  • £3.00

Hope Head Doctor Headset BoltShould you happen to damage or lose your Head Doctor Headset Bolt when working on your bike, this genuine Hope replacement will help you to assemble your headset again.Features:Genuine Hope replacement partManufacturer's Part Number: HS114S Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Disc Brake Brass Insert - 5mm}, Brass
  • £3.00

Hope Brass Insert Brass insert is pushed into the end of the hose to seal hose into the master cylinder. Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Weldtite Dry Lube with Teflon - 100ml - 100ml}
  • £3.00
  • RRP £4.99
  • Saving you £40

Weldtite Dry Lube with Teflon (100ml) The Dry Lube with Teflon from Weldtite is a Teflon-based chain lubricant that's ideal for use in dry weather conditions. Plus, it features an easy-apply nozzle for more precise lube application to keep your chain and drivetrain performing smooth and efficient while also reducing wear significantly.Efficient and Beneficial Teflon Bicycle Chain LubeThis Dry Lube with Teflon is enhanced with Teflon surface protector and is specially formulated for chains, derailleurs and cables. Suitable for both on- and off-road use, this lube resists water penetration and wash-off. Plus, it's Enhanced with Teflon surface protector to protect and ensure smooth running of the drivetrain while also avoiding the attracting of dirt that causes damage to moving parts.Features: Teflon Surface Protector based dry lubricant formulated for chains, derailleurs and cables in 100ml bottle All the benefits of TF2 in a drip feed bottle Handy convenient size Suitable for both on and off-road use Resists water penetration and wash-off Teflon to protect and ensure smooth-running of the drive chain Avoids attracting dirt that causes damage to moving parts Part Number: 03135Buy Weldtite Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ratio Pretty Plain 10 cm Sock AW20 - White - XS}, White
  • £3.00
  • RRP £8.00
  • Saving you £63

Ratio Pretty Plain 10cm SocksSimple in design but hugely effective, the Pretty Plain Sock from RAT!O is proof less can often be more. Incredible comfort in an eye-catching colour, they can be matched or clashed with any shoe and kit combination.Beyond the kerb appeal of the 10cm Sock, RAT!O have worked tirelessly to ensure their socks are your favourites when it comes to comfort. They sweated the small stuff, so you can enjoy every moment of your ride.There’s mesh strategically placed where your feet get hot, a little extra support where you might previously have got sore and robust heel and toe areas so they are long-lasting staples of your cycling wardrobe.High-quality polyamide is knitted in a way that makes these socks perfect from spring through to the end of summer. RAT!O also provide a range of cuff lengths, so whether you love a tall sock or something more minimal, there’s an option for you.Made in an Italian factory, RAT!O socks combine years of experience and high-quality handpicked yarns to maximise performance, colour and lifespan. Innovative designs, bold colours and fantastic fabrics ensure the ride finishes as good as it started. RAT!O socks, putting the fun on your feet.Features:Materials: 60% Polyamide, 25% Elastane, 15% PolyesterPremium sock made in ItalyBreathable mesh knitRobust toe and heel areasRib-knit footbedMid-foot support bandShort cuff length (10cm)Buy Ratio Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ratio Pretty Plain 10 cm Sock AW20 - Black - XS}, Black
  • £3.00
  • RRP £8.00
  • Saving you £63

Ratio Pretty Plain 10cm SocksSimple in design but hugely effective, the Pretty Plain Sock from RAT!O is proof less can often be more. Incredible comfort in an eye-catching colour, they can be matched or clashed with any shoe and kit combination.Beyond the kerb appeal of the 10cm Sock, RAT!O have worked tirelessly to ensure their socks are your favourites when it comes to comfort. They sweated the small stuff, so you can enjoy every moment of your ride.There’s mesh strategically placed where your feet get hot, a little extra support where you might previously have got sore and robust heel and toe areas so they are long-lasting staples of your cycling wardrobe.High-quality polyamide is knitted in a way that makes these socks perfect from spring through to the end of summer. RAT!O also provide a range of cuff lengths, so whether you love a tall sock or something more minimal, there’s an option for you.Made in an Italian factory, RAT!O socks combine years of experience and high-quality handpicked yarns to maximise performance, colour and lifespan. Innovative designs, bold colours and fantastic fabrics ensure the ride finishes as good as it started. RAT!O socks, putting the fun on your feet.Features:Materials: 60% Polyamide, 25% Elastane, 15% PolyesterPremium sock made in ItalyBreathable mesh knitRobust toe and heel areasRib-knit footbedMid-foot support bandShort cuff length (10cm)Buy Ratio Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ratio Pretty Plain 16 cm Sock AW20 - White - XS}, White
  • £3.00
  • RRP £10.00
  • Saving you £70

Ratio Pretty Plain 16cm SocksIncredible comfort in an eye-catching colour, the Pretty Plain Sock from RAT!O is proof less can often be more. These socks are simple in design but hugely effective and can be matched or clashed with any shoe and kit combination.Beyond the kerb appeal of the 16cm Sock, RAT!O have worked tirelessly to ensure their socks are your favourites when it comes to comfort. They sweated the small stuff, so you can enjoy every moment of your ride.There’s mesh strategically placed where your feet get hot, a little extra support where you might previously have got sore and robust heel and toe areas so they are long-lasting staples of your cycling wardrobe.High-quality polyamide is knitted in a way that makes these socks perfect from spring through to the end of summer. RAT!O also provide a range of cuff lengths, so whether you love a tall sock or something more minimal, there’s an option for you.Made in an Italian factory, RAT!O socks combine years of experience and high-quality handpicked yarns to maximise performance, colour and lifespan. Innovative designs, bold colours and fantastic fabrics ensure the ride finishes as good as it started. RAT!O socks, putting the fun on your feet.Features:Materials: 60% Polyamide, 25% Elastane, 15% PolyesterPremium sock made in ItalyBreathable mesh knitRobust toe and heel areasRib-knit footbedMid-foot support bandMid cuff length (16cm)Buy Ratio Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ratio Pretty Plain 16 cm Sock AW20 - Pink - L/XL}, Pink
  • £3.00
  • RRP £10.00
  • Saving you £70

Ratio Pretty Plain 16cm SocksIncredible comfort in an eye-catching colour, the Pretty Plain Sock from RAT!O is proof less can often be more. These socks are simple in design but hugely effective and can be matched or clashed with any shoe and kit combination.Beyond the kerb appeal of the 16cm Sock, RAT!O have worked tirelessly to ensure their socks are your favourites when it comes to comfort. They sweated the small stuff, so you can enjoy every moment of your ride.There’s mesh strategically placed where your feet get hot, a little extra support where you might previously have got sore and robust heel and toe areas so they are long-lasting staples of your cycling wardrobe.High-quality polyamide is knitted in a way that makes these socks perfect from spring through to the end of summer. RAT!O also provide a range of cuff lengths, so whether you love a tall sock or something more minimal, there’s an option for you.Made in an Italian factory, RAT!O socks combine years of experience and high-quality handpicked yarns to maximise performance, colour and lifespan. Innovative designs, bold colours and fantastic fabrics ensure the ride finishes as good as it started. RAT!O socks, putting the fun on your feet.Features:Materials: 60% Polyamide, 25% Elastane, 15% PolyesterPremium sock made in ItalyBreathable mesh knitRobust toe and heel areasRib-knit footbedMid-foot support bandMid cuff length (16cm)Buy Ratio Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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