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

Magura MTB Disc Brake Caliper Cover Kit - Carbon - MT Trail Carbon}, Carbon
  • £7.99
  • RRP £8.49
  • Saving you £6

Magura MTB Disc Brake Caliper Cover KitThis brake cover kit is ideal for replacing your old or worn-out existing caliper covers on your MAgura hydraulic disc brakes. This makes them perfect for upgrading your existing parts and breathing new life back into your disc brake's finish.Features: Genuine Magura replacement partsBuy Magura Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Magura IS to Post Disc Brake Mount Adaptor - Black - 203mm - Post Mount 7" Front, Black
  • £7.99
  • RRP £8.57
  • Saving you £7

Magura Brake Mount AdaptorMagura Disc Brake AdaptorsQM 7 Adaptor: 203mm PM 6” fork mount Adapts Post-mount (PM) caliper to Post-mount (PM) fork mount (6") for use with 203mm rotor Includes Mounting Bolts Weight: 34gQM 10 Adaptor: 180mm IS rear frame mount  Adapts Post-mount (PM) caliper to International Standard (IS) rear mount; for use with 180mm rotor  Includes Mounting Bolts Weight: 37gQM 11 Adaptor: 160mm IS 6” fork mount + 203mm 8” Fox 40 fork mount Adapts Post-mount (PM) caliper to International Standard (IS) fork mount (8"/203mm, e.g. Fox 40), and adapts PM caliper to IS front fork for 160mm rotor This bracket works for both fork and rear-frame mounting Includes Mounting Bolts Weight: 30gQM 12 Adaptor: 180mm IS 6” fork mount + 160mm IS rear frame mount (not PM) Adapts Post-mount (PM) caliper to International Standard (IS) fork mount (6"/160mm) for use with 180mm rotor in front, and adapts PM caliper to IS frame rear for 160mm rotor This bracket works for both fork and rear-frame mounting Includes Mounting Bolts Weight: 30gQM + 20 Adaptor: 180mm/PM 6” 160mm/PM 5” Includes Mounting BoltsBuy Magura Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Magura IS to Post Disc Brake Mount Adaptor - Black - 180mm IS 6" Front + 160mm IS Rear, Black
  • £7.99
  • RRP £8.57
  • Saving you £7

Magura Brake Mount AdaptorMagura Disc Brake AdaptorsQM 7 Adaptor: 203mm PM 6” fork mount Adapts Post-mount (PM) caliper to Post-mount (PM) fork mount (6") for use with 203mm rotor Includes Mounting Bolts Weight: 34gQM 10 Adaptor: 180mm IS rear frame mount  Adapts Post-mount (PM) caliper to International Standard (IS) rear mount; for use with 180mm rotor  Includes Mounting Bolts Weight: 37gQM 11 Adaptor: 160mm IS 6” fork mount + 203mm 8” Fox 40 fork mount Adapts Post-mount (PM) caliper to International Standard (IS) fork mount (8"/203mm, e.g. Fox 40), and adapts PM caliper to IS front fork for 160mm rotor This bracket works for both fork and rear-frame mounting Includes Mounting Bolts Weight: 30gQM 12 Adaptor: 180mm IS 6” fork mount + 160mm IS rear frame mount (not PM) Adapts Post-mount (PM) caliper to International Standard (IS) fork mount (6"/160mm) for use with 180mm rotor in front, and adapts PM caliper to IS frame rear for 160mm rotor This bracket works for both fork and rear-frame mounting Includes Mounting Bolts Weight: 30gQM + 20 Adaptor: 180mm/PM 6” 160mm/PM 5” Includes Mounting BoltsBuy Magura Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Magura IS to Post Disc Brake Mount Adaptor - Black - 180mm - Post Mount 5" Rear, Black
  • £7.99
  • RRP £8.57
  • Saving you £7

Magura Brake Mount AdaptorMagura Disc Brake AdaptorsQM 7 Adaptor: 203mm PM 6” fork mount Adapts Post-mount (PM) caliper to Post-mount (PM) fork mount (6") for use with 203mm rotor Includes Mounting Bolts Weight: 34gQM 10 Adaptor: 180mm IS rear frame mount  Adapts Post-mount (PM) caliper to International Standard (IS) rear mount; for use with 180mm rotor  Includes Mounting Bolts Weight: 37gQM 11 Adaptor: 160mm IS 6” fork mount + 203mm 8” Fox 40 fork mount Adapts Post-mount (PM) caliper to International Standard (IS) fork mount (8"/203mm, e.g. Fox 40), and adapts PM caliper to IS front fork for 160mm rotor This bracket works for both fork and rear-frame mounting Includes Mounting Bolts Weight: 30gQM 12 Adaptor: 180mm IS 6” fork mount + 160mm IS rear frame mount (not PM) Adapts Post-mount (PM) caliper to International Standard (IS) fork mount (6"/160mm) for use with 180mm rotor in front, and adapts PM caliper to IS frame rear for 160mm rotor This bracket works for both fork and rear-frame mounting Includes Mounting Bolts Weight: 30gQM + 20 Adaptor: 180mm/PM 6” 160mm/PM 5” Includes Mounting BoltsBuy Magura Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Rear Disc Brake Mount Screws (15-19mm) - Black - (24mm) 15-19mm}, Black
  • £7.99

Campagnolo Rear Disc Brake Mount Screws (15-19mm)This 24mm caliper mount screw set is what is required to mount a Campagnolo hydraulic brake caliper to a frame that has a 15 - 19mm chainstay depth at the flat mount point. Features:Included: 2 x 24mm length for 15 - 19mm thick rear mount Compatibility: Campagnolo disc brakesBuy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Rear Disc Brake Mount Screws (20-24mm) - Black - (29mm) 20-24mm}, Black
  • £7.99

Campagnolo Rear Disc Brake Mount Screws (20-24mm)This 29mm caliper mount screw set is what is required to mount a Campagnolo hydraulic brake caliper to a frame that has a 20 - 24mm chainstay depth at the flat mount point.Features:Included: 2 x 29mm length for 20 - 24mm thick rear mount Compatibility: Campagnolo disc brakesBuy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zefal Toe Clips 43 and 515XL Toe Strap Set - Black - S/M}, Black
  • £7.99

Zefal Toe Clips 43 and 515XL Toe Strap Set The Zefal Toe-Clips 43 + 515XL Set fits most Zefal pedals and other Toe-clip compatible pedal brands. Toe-clips benefit the rider by pulling the pedal upwards with the foot during the pedal rotation. This means that pedalling up hills, accelerating and maintaining speed is more efficient and effective.Features: Kit Includes: 2x Leather Straps 2x Chrome Clips Use: Urban, MTB, RoadBuy Zefal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zefal Toe Clips 43 and 515XL Toe Strap Set - Black - L/XL}, Black
  • £7.99

Zefal Toe Clips 43 and 515XL Toe Strap Set The Zefal Toe-Clips 43 + 515XL Set fits most Zefal pedals and other Toe-clip compatible pedal brands. Toe-clips benefit the rider by pulling the pedal upwards with the foot during the pedal rotation. This means that pedalling up hills, accelerating and maintaining speed is more efficient and effective.Features: Kit Includes: 2x Leather Straps 2x Chrome Clips Use: Urban, MTB, RoadBuy Zefal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zefal Pulse A2 Bottle Cage - Black-Black, Black-Black
  • £7.99

Zefal Pulse A2 Bottle CageThe stylishly shaped Pulse A2 Bottle Cage is made from a light material and provides a tight and adjustable grip for your drinks holder. An ideal choice for keeping your hydration in an easy to reach position, Zefal has added an elastomer clasp that grips your bottle and absorbs vibrations that could cause it to rattle or slip out.Lightweight and Easy to UseWeighing in at just 26g, this technopolymer-resin cage is lighter than most carbon bottle cages and provides a sleek and more streamlined performance. And, this Pulse A2 Bottle Cage is compatible with a range of bottle diameters and removal and insertion is simple.Features:Material: Technopolymer resin frame with a flexible thermoplastic claspEasy bottle insertion and removalHolds the bottle firmly and limits vibrationsAdapts to different bottle diametersProduct designed and made in FranceWeight: 26gBuy Zefal Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Leatt Non-Stretch Laces 2020 - Black, Black
  • £7.99
  • RRP £9.99
  • Saving you £20

Leatt Non-Stretch LacesSnapped a lace on your Leatt MTB shoes (or any other shoe for that matter) then grab yourself these replacement non-stretch laces.Don't let a broken lace stop your mountain bike ride. Have a pair of Leatt's non-stretch laces stashed away and you'll always be able to get yourself laced in and ready to ride.FeaturesNon-stretchSold as a pairBuy Leatt from Chain Reaction Cycles. The World's Largest Online Bike Store.

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Leatt MTB Gravity 1.0 Visor 2022 - Coral - XS/S}, Coral
  • £7.99
  • RRP £19.99
  • Saving you £60

Leatt MTB Gravity 1.0 VisorThe visor on your MTB Gravity 1.0 helmet is designed to break away in event of a crash. And so that can mean you need a replacement or perhaps you just want to freshen your lid up. And this replacement Leatt MTB Gravity 1.0 Visor is what you need.The MTB Gravity 1.0 Visor is a replacement part for your Leatt MTB Gravity 1.0 Full Face helmet, keeping your lid fresh and in pristine condition should you break the original visor.Features:Part no: 402130037 - BlackPart no: 402230070 - IvyPart no: 402230071 - OnyxPart no: 402230071 - CoralBuy Leatt Spare Parts from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Leatt Buckle Fidlock male DBX-MTB helmets 2023 - Black, Black
  • £7.99
  • RRP £9.99
  • Saving you £20

Leatt Buckle Fidlock male DBX/MTB helmetsThe Leatt Buckle Fidlock male (DBX/MTB helmets) is a replacement part for your Fidlock closure system as found on relevant DBX helmets.Should you need a replacement for the 'male' part of your Fidlock closure system, then you're in the right place. Pop it in your basket and you're all set.  Features:Part number: 4023052110Buy Leatt Protection from Chain Reaction Cycles, the World's Largest Online Bike Store.

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RockShox Maxle Stealth - Front Road - Black - 12mm Thread - 125mm}, Black - 12mm Thread
  • £7.99
  • RRP £36.00
  • Saving you £78

SRAM Maxle Stealth - Front RoadSRAM's Maxle technology has been designed to deliver a lightweight alternative to their Maxle Lite and Maxle Ultimate offerings. Made from aluminium and featuring a low profile, this Maxle Stealth effectively makes your through-axle disappear! Features:Material: AluminiumLength: 125mm (Road version)Thread Length: 9mm 118.5mmThread Pitch: M12x1.50Weight: 35gBuy SRAM Frames & Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Chromag Pedal Pin Kit - Black - Synth}, Black
  • £7.99
  • RRP £14.99
  • Saving you £47

Chromag Pedal Pin KitThe Chromag Pedal Pin Kit is the perfect replacement for the old or worn out pins on your Contact or Scarab pedals.Features:Pins and spacers for Contact and Scarab PedalsContains 40 pins and 40 pacers to adjust the height for your needsBuy Chromag Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM PowerLock Chain Connector - Silver - 12 Speed Road Flat Top}, Silver
  • £7.99
  • RRP £16.00
  • Saving you £50

SRAM PowerLock Chain ConnectorPowerLock chain joining links have been developed by SRAM as a simple, tool-free solution to joining up your SRAM chain. Whether you’re fitting a new chain in your workshop or making a quick repair at the road or trail-side, these chain links will get you back to riding in no time. Although no tools are required, these links can only be used once as once they’re closed, they’re closed for good.Reasons to Buy: Offers a simple and tool-free solution. Suitable for road or MTB use. Lightweight and durable.PowerLock Chain Connector 10-speedFeatures: Single use only (cannot be opened and closed again) No tools necessary to install From a long line of tough, light-weight chain engineering from SRAM Compatible Speed: 10-speed Chain Connector Type: PowerLock Colour: Black Chain Connector Finish: Black OxidePowerLock Chain Connector 12-SpeedFeatures: Single use only (cannot be opened and closed again) Compatible Speed: 12-speed Road Chain Connector Type: PowerLock Colour: Silver Chain Connector Finish: NickelSRAM Eagle PowerLockFeatures: Single use only (cannot be opened and closed again) Compatible Speed: 12-speed MTB Chain Connector Type: PowerLock Colour: Silver or Rainbow Chain Connector Finish: Nickel or BrassPowerlinkNormally, a chain is as strong as its weak link, but with a PowerLink chain joining link in your chain this rule does not apply. These links are every bit as strong as the rest of the chain’s links, plus you can open it again to make a repair or change your chain length. This can all be done without any tools, making these links the perfect choice for workshop, trail-side or road-side repairs.PowerLink Chain Connector 8-speedFeatures: Multi-use (can be opened and closed again) Compatible Speed: 8-speed Chain Connector Type: PowerLink Colour: Silver Chain Connector Finish: NickelPowerLink Chain Connector 9-speed Multi-use (can be opened and closed again) Compatible Speed: 9 speed Chain Connector Type: PowerLink Colour: Gold Chain Connector Finish: Brass*SRAM Chain Connectors Powerlink / Powerlock are sold as 1 linkBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM PowerLock Chain Connector - Rainbow - 12 Speed Eagle MTB}, Rainbow
  • £7.99
  • RRP £16.00
  • Saving you £50

SRAM PowerLock Chain ConnectorPowerLock chain joining links have been developed by SRAM as a simple, tool-free solution to joining up your SRAM chain. Whether you’re fitting a new chain in your workshop or making a quick repair at the road or trail-side, these chain links will get you back to riding in no time. Although no tools are required, these links can only be used once as once they’re closed, they’re closed for good.Reasons to Buy: Offers a simple and tool-free solution. Suitable for road or MTB use. Lightweight and durable.PowerLock Chain Connector 10-speedFeatures: Single use only (cannot be opened and closed again) No tools necessary to install From a long line of tough, light-weight chain engineering from SRAM Compatible Speed: 10-speed Chain Connector Type: PowerLock Colour: Black Chain Connector Finish: Black OxidePowerLock Chain Connector 12-SpeedFeatures: Single use only (cannot be opened and closed again) Compatible Speed: 12-speed Road Chain Connector Type: PowerLock Colour: Silver Chain Connector Finish: NickelSRAM Eagle PowerLockFeatures: Single use only (cannot be opened and closed again) Compatible Speed: 12-speed MTB Chain Connector Type: PowerLock Colour: Silver or Rainbow Chain Connector Finish: Nickel or BrassPowerlinkNormally, a chain is as strong as its weak link, but with a PowerLink chain joining link in your chain this rule does not apply. These links are every bit as strong as the rest of the chain’s links, plus you can open it again to make a repair or change your chain length. This can all be done without any tools, making these links the perfect choice for workshop, trail-side or road-side repairs.PowerLink Chain Connector 8-speedFeatures: Multi-use (can be opened and closed again) Compatible Speed: 8-speed Chain Connector Type: PowerLink Colour: Silver Chain Connector Finish: NickelPowerLink Chain Connector 9-speed Multi-use (can be opened and closed again) Compatible Speed: 9 speed Chain Connector Type: PowerLink Colour: Gold Chain Connector Finish: Brass*SRAM Chain Connectors Powerlink / Powerlock are sold as 1 linkBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Avid Disc Brake Bracket Mounting Bolts - 40mm Rotor Size Increase
  • £7.99
  • RRP £21.00
  • Saving you £62

Avid Disc Brake Bracket Mounting BoltsAvid Disc Brake Bracket Mounting Bolts 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:Genuine Avid brake spare partDesigned for durability and performanceEasy to adjust when fine tuning your brake setupBuy Avid Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Evoc Blaster Bite Valve SS21 - Black, Black
  • £7.99

Blaster Bite ValveYou can remain even more hydrated now with the EVOC Blaster Bite Valve.The EVOC Blaster Bite Valve literally has bite, the optimised construction increases the water flow rate by 20% thanks to a clever twist lock design. Simply attach to your EVOC hydration bladder and go. Features:BPA and PVC freeWeight: 10gDimensions: 3.5 x 6 x 2cmHose not includedBuy EVOC Hydration Spares from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Stainless Steel MTB Hub Bearing - Grey - S6804 2RS}, Grey
  • £7.99
  • RRP £9.49
  • Saving you £16

Hope Stainless Steel MTB Hub BearingDurable stainless steel bearing from Hope, this makes an ideal replacement for your MTB's hub.Features: Two Rubber Seals Full Stainless Steel BodyBuy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Professional Tubeless Rim Tape (10m) - Black - 22mm}, Black
  • £7.99

LifeLine Professional Tubeless Rim Tape (10m)Tried and tested by LifeLine's in-house riders, the tubeless rim tape provides an effective seal for tubeless rim set ups. This tape comes in 5 different widths so you can choose the width to suit your rim. Used as original equipment on Nukeproof and Prime Wheels, this tape provides an effective air tight seal. We recommend you use the tape which is 2-3mm wider than your inner rim width.Features:  Available in rim widths 22mm, 25mm, 27mm, 29mm, 32mm  Each tape comes in a 10m lengthBuy LifeLine Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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