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

Nukeproof Mountain Bike Headtube Badge
  • £4.99

Nukeproof Headtube Badge Genuine Nukeproof headtube badge, compatible with Mega, Snap and Scalp. Features: Adhesive rear. Stamped alloy logo. Pre-curved for perfect alignment.Buy Nukeproof Frame Spares from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Milano Road Bar End Plugs - Green, Green
  • £4.99

Cinelli Milano Road Bar End PlugsThe perfect way to finish off your Cinelli bike in style, the Milano Road Bar End Plugs are a reproduction of this classic model. Now made in lightweight aluminium and with a premium-looking anodised finish, this pack of two is available in a wide range of colours so you can choose to match or contrast your road bike’s frame colour.Features: Material: Aluminium Finish: Anodised Compatibility: Road bike drop bars Sold as a pairBuy Cinelli from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Milano Road Bar End Plugs - Orange, Orange
  • £4.99

Cinelli Milano Road Bar End PlugsThe perfect way to finish off your Cinelli bike in style, the Milano Road Bar End Plugs are a reproduction of this classic model. Now made in lightweight aluminium and with a premium-looking anodised finish, this pack of two is available in a wide range of colours so you can choose to match or contrast your road bike’s frame colour.Features: Material: Aluminium Finish: Anodised Compatibility: Road bike drop bars Sold as a pairBuy Cinelli from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Milano Road Bar End Plugs - Red, Red
  • £4.99

Cinelli Milano Road Bar End PlugsThe perfect way to finish off your Cinelli bike in style, the Milano Road Bar End Plugs are a reproduction of this classic model. Now made in lightweight aluminium and with a premium-looking anodised finish, this pack of two is available in a wide range of colours so you can choose to match or contrast your road bike’s frame colour.Features: Material: Aluminium Finish: Anodised Compatibility: Road bike drop bars Sold as a pairBuy Cinelli from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Milano Road Bar End Plugs - Gold, Gold
  • £4.99

Cinelli Milano Road Bar End PlugsThe perfect way to finish off your Cinelli bike in style, the Milano Road Bar End Plugs are a reproduction of this classic model. Now made in lightweight aluminium and with a premium-looking anodised finish, this pack of two is available in a wide range of colours so you can choose to match or contrast your road bike’s frame colour.Features: Material: Aluminium Finish: Anodised Compatibility: Road bike drop bars Sold as a pairBuy Cinelli from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Milano Road Bar End Plugs - Black, Black
  • £4.99

Cinelli Milano Road Bar End PlugsThe perfect way to finish off your Cinelli bike in style, the Milano Road Bar End Plugs are a reproduction of this classic model. Now made in lightweight aluminium and with a premium-looking anodised finish, this pack of two is available in a wide range of colours so you can choose to match or contrast your road bike’s frame colour.Features: Material: Aluminium Finish: Anodised Compatibility: Road bike drop bars Sold as a pairBuy Cinelli from Chain Reaction Cycles, the World's Largest Online Bike Store.

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FSA M3 MTB BB30 Adapter Bottom Bracket - Cream - 73mm}, Cream
  • £4.99
  • RRP £34.99
  • Saving you £86

FSA M3 MTB BB30 Adapter Bottom BracketAlloy - For use with Ø24 MTB Alloy (with pinch bolts) MegaExo cranksets on BB30 shells. Two sizes are available to fit either 68mm (BB-CFMM3/68) or 73mm (BB-CFMM3/73) wide shells.Carbon - For use with carbon MTB MegaExo and Alloy NBD (no pinch bolt) cranksets with BB30 shells. Two sizes are available to fit either 68mm (BB-CFMM3C/68) or 73mm (BB-CFMM3C/73) wide shells. Ceramic bearings for minimum friction and maximum durability.Features: Bearings: Stainless steel ball bearings with hardened steel races (Alloy) or Ceramic bearings (Carbon) Cups: Alloy Weight: 84g (Carbon)/86g (Alloy)Buy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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FSA MegaEvo BBright Bottom Bracket Adapter - Black - 386Evo 30 103.8mm}, Black
  • £4.99
  • RRP £14.99
  • Saving you £67

FSA MegaEvo BBright Bottom Bracket AdapterThis adaptor is specifically designed to fit a 386Evo chainset into a BBright bottom bracket shell. Genuine FSA spare parts.Features: Crank Type: 386Evo (30x103.8mm) BB Type: BBright BB Compatibility: Requires PF30 bottom bracket (sold separately) Part Number: 200-0010000011Buy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Wolf Tooth CAMO Chain Ring Bolts - Black, Black
  • £4.99
  • RRP £6.00
  • Saving you £17

Wolf Tooth CAMO Chain Ring BoltsThese chainring bolts are specifically designed for use with Wolf Tooth's CAMP chainring system. Coming as a pack of five bolts, these feature a hard-wearing ED coated steel construction for a secure and reliable hold. Machined from 7075-T6 Aluminium at Wolf Tooth's HQ in Minneapolis, USA, these CAMO Chainring Bolts are beautifully crafted to top-tier standards. If you're looking to adorn your bike with precision engineered components down to even the finest details, these are an ideal choice.NOTE: These are CAMO ED coated steel replacement bolts that include a blue Nylok patch for a secure installation. Your CAMO Spider comes with silver steel bolts that requires use of blue loctite. A CAMO Chainring is required to mount the CAMO Spider. See tech specs below for installation torque. CAMO coloured bolts are replacement bolts for use with CAMO chainring and spider.The CAMO chainring system was created by the Wolf Tooth engineers for Chainline And Material Optimization on direct mount style Chainrings. The key advantages include:Perfect chainline - for wear and shifting precision.Optimal material usage - for weight, stiffness, and wear.Price - for less expensive replacement chainrings.Swapping - Very fast chainring change out with 5 small bolts and no nuts.Availability - Wolf Tooth is the one-stop-shop for your direct mount needs...round or oval, stainless or aluminum, and no matter the crankset.Bling!! - spider colors and bolt colors add a little flash to your sweet ride.Wolf Tooth's patented Drop-Stop wide/narrow tooth profile for the ultimate chain retention and mud shedding ability.Compatibility:These bolts were specifically designed for use with our CAMO chainring system.Correct torque and blue loctite thread locker must be used if blue Nylok patch is not already applied.Installation:You will be able to access all bolts without removing the spider.Line up the little dot on the ring with the dot on the spider. Don't worry, you cannot install the ring in the wrong rotational orientation.Be sure the bosses on the spider "plug in" to the chainring.Torque bolts only to 4-5 Nm and use blue Loctite threadlocker.Features: Material: ED coated Steel Size: M5x8mm Made in the USA Part Numbers: Black: WTCAMOBLKBOLT; Blue: WTCAMOBLUBOLT; Red: WTCAMOREDBOLT; Silver: WTCAMOSILBOLT Weight: 5 bolts: 9gBuy Wolf Tooth Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Wolf Tooth CAMO Chain Ring Bolts - Red, Red
  • £4.99
  • RRP £6.00
  • Saving you £17

Wolf Tooth CAMO Chain Ring BoltsThese chainring bolts are specifically designed for use with Wolf Tooth's CAMP chainring system. Coming as a pack of five bolts, these feature a hard-wearing ED coated steel construction for a secure and reliable hold. Machined from 7075-T6 Aluminium at Wolf Tooth's HQ in Minneapolis, USA, these CAMO Chainring Bolts are beautifully crafted to top-tier standards. If you're looking to adorn your bike with precision engineered components down to even the finest details, these are an ideal choice.NOTE: These are CAMO ED coated steel replacement bolts that include a blue Nylok patch for a secure installation. Your CAMO Spider comes with silver steel bolts that requires use of blue loctite. A CAMO Chainring is required to mount the CAMO Spider. See tech specs below for installation torque. CAMO coloured bolts are replacement bolts for use with CAMO chainring and spider.The CAMO chainring system was created by the Wolf Tooth engineers for Chainline And Material Optimization on direct mount style Chainrings. The key advantages include:Perfect chainline - for wear and shifting precision.Optimal material usage - for weight, stiffness, and wear.Price - for less expensive replacement chainrings.Swapping - Very fast chainring change out with 5 small bolts and no nuts.Availability - Wolf Tooth is the one-stop-shop for your direct mount needs...round or oval, stainless or aluminum, and no matter the crankset.Bling!! - spider colors and bolt colors add a little flash to your sweet ride.Wolf Tooth's patented Drop-Stop wide/narrow tooth profile for the ultimate chain retention and mud shedding ability.Compatibility:These bolts were specifically designed for use with our CAMO chainring system.Correct torque and blue loctite thread locker must be used if blue Nylok patch is not already applied.Installation:You will be able to access all bolts without removing the spider.Line up the little dot on the ring with the dot on the spider. Don't worry, you cannot install the ring in the wrong rotational orientation.Be sure the bosses on the spider "plug in" to the chainring.Torque bolts only to 4-5 Nm and use blue Loctite threadlocker.Features: Material: ED coated Steel Size: M5x8mm Made in the USA Part Numbers: Black: WTCAMOBLKBOLT; Blue: WTCAMOBLUBOLT; Red: WTCAMOREDBOLT; Silver: WTCAMOSILBOLT Weight: 5 bolts: 9gBuy Wolf Tooth Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Wolf Tooth CAMO Chain Ring Bolts - Silver, Silver
  • £4.99
  • RRP £6.00
  • Saving you £17

Wolf Tooth CAMO Chain Ring BoltsThese chainring bolts are specifically designed for use with Wolf Tooth's CAMP chainring system. Coming as a pack of five bolts, these feature a hard-wearing ED coated steel construction for a secure and reliable hold. Machined from 7075-T6 Aluminium at Wolf Tooth's HQ in Minneapolis, USA, these CAMO Chainring Bolts are beautifully crafted to top-tier standards. If you're looking to adorn your bike with precision engineered components down to even the finest details, these are an ideal choice.NOTE: These are CAMO ED coated steel replacement bolts that include a blue Nylok patch for a secure installation. Your CAMO Spider comes with silver steel bolts that requires use of blue loctite. A CAMO Chainring is required to mount the CAMO Spider. See tech specs below for installation torque. CAMO coloured bolts are replacement bolts for use with CAMO chainring and spider.The CAMO chainring system was created by the Wolf Tooth engineers for Chainline And Material Optimization on direct mount style Chainrings. The key advantages include:Perfect chainline - for wear and shifting precision.Optimal material usage - for weight, stiffness, and wear.Price - for less expensive replacement chainrings.Swapping - Very fast chainring change out with 5 small bolts and no nuts.Availability - Wolf Tooth is the one-stop-shop for your direct mount needs...round or oval, stainless or aluminum, and no matter the crankset.Bling!! - spider colors and bolt colors add a little flash to your sweet ride.Wolf Tooth's patented Drop-Stop wide/narrow tooth profile for the ultimate chain retention and mud shedding ability.Compatibility:These bolts were specifically designed for use with our CAMO chainring system.Correct torque and blue loctite thread locker must be used if blue Nylok patch is not already applied.Installation:You will be able to access all bolts without removing the spider.Line up the little dot on the ring with the dot on the spider. Don't worry, you cannot install the ring in the wrong rotational orientation.Be sure the bosses on the spider "plug in" to the chainring.Torque bolts only to 4-5 Nm and use blue Loctite threadlocker.Features: Material: ED coated Steel Size: M5x8mm Made in the USA Part Numbers: Black: WTCAMOBLKBOLT; Blue: WTCAMOBLUBOLT; Red: WTCAMOREDBOLT; Silver: WTCAMOSILBOLT Weight: 5 bolts: 9gBuy Wolf Tooth Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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microSHIFT MS29-8R Twist Type 8 Speed Gear Shifter - Black - Right}, Black
  • £4.99
  • RRP £5.99
  • Saving you £17

microSHIFT MS29-8R Twist Type 8 Speed Gear ShifterThe MS29-8R Twist Type 8 Speed Shifter is a right-hand-side 8-Speed rear gear shifter from microSHIFT. Ideal for use with 8-Speed mountain bike (MTB) rear derailleurs, this shifter is suited to cross-country, all-mountain and general trail riding. Plus, it's compatible with Shimano 8-Speed MTB drivetrain components.Key Features: Standard Twist Type Shifter for MTB 8-Speed Rear 8-Speed MTB gear shifter Right Side: IndexFeatures: Model No.: MS29-8R Cassette Compatibility: 8 Speed Bracket Material: Composite Optical Gear Display: N Compatibility: Shimano 8 Speed MTB Shifters CompatibleBuy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Team Flangeless BMX Handlebar Grips - Black - 165mm}, Black
  • £4.99
  • RRP £7.99
  • Saving you £38

Stolen Team Flangeless BMX Handlebar GripsRibbed design offered in a longer length more suited for big bars, Vortex PC Bar Plugz included.Features:Length: 160mmDiameter: 30mm (mounted)Material: Krayton RubberWeight: 3.9oz. Per pairBuy Stolen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fiction Troop Grips - White, White
  • £4.99

Fiction Troop GripsThe Fiction Troop grips are made from a soft Krayton rubber compound with diagonally cut ribs for comfort and control.Features: Diameter: 30.5mmLength: 160mmBar Ends: Nylon Plug StyleBuy Fiction Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Cable End Crimps (10 Pack) - Gold, Gold
  • £4.99

Transfil Cable End Crimps (10 Pack)These cable end crimps come as a pack of 10 and feature a high-grade alloy construction for maximum strength and durability on your ride. Transfil has also equipped these with a hard anodised finish that gives them additional corrosion resistance for reliable inner wire actuation in all-weather conditions. One final highlight is this pack is available in a range of colour options to choose from, so you can add some extra style to your ride. This makes it a great choice of upgrade for smooth and dependable performance while protecting the end of the inner wire.The Transfil 10 Pack Cable End Crimp is made from the highest quality materials. Transfil's technology comes from the research, innovation, and production of the control cables they produce for the French car industry. Their bicycle brake and gear cable accessories, end caps and ferrules are among the most reliable and dependable on the market.Features: Material: High-grade Alloy Finish: Hard Anodised with various colour options to choose from Number of Cable End Crimps: 10 pack Protects the end of your cable inner wireManufacturer's Part Number: KB62G Gold M 10 pack KB62K Black M 10 pack KB62R Red M 10 packBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Cable End Crimps (10 Pack) - Red, Red
  • £4.99

Transfil Cable End Crimps (10 Pack)These cable end crimps come as a pack of 10 and feature a high-grade alloy construction for maximum strength and durability on your ride. Transfil has also equipped these with a hard anodised finish that gives them additional corrosion resistance for reliable inner wire actuation in all-weather conditions. One final highlight is this pack is available in a range of colour options to choose from, so you can add some extra style to your ride. This makes it a great choice of upgrade for smooth and dependable performance while protecting the end of the inner wire.The Transfil 10 Pack Cable End Crimp is made from the highest quality materials. Transfil's technology comes from the research, innovation, and production of the control cables they produce for the French car industry. Their bicycle brake and gear cable accessories, end caps and ferrules are among the most reliable and dependable on the market.Features: Material: High-grade Alloy Finish: Hard Anodised with various colour options to choose from Number of Cable End Crimps: 10 pack Protects the end of your cable inner wireManufacturer's Part Number: KB62G Gold M 10 pack KB62K Black M 10 pack KB62R Red M 10 packBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tektro Brake Cable Hanger - Black - Black - Each}, Black
  • £4.99
  • RRP £6.00
  • Saving you £17

Tektro Cable HangerFront Cable Hanger for cantilever brakes.Features: Designed to fit 28.6mm steer tubes Perfect for use with Kinesis cyclocross frame sets Colour - Silver Buy Tektro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Impac SV Inner Tube - 1.75" - 2.35"
  • £4.99
  • RRP £5.99
  • Saving you £17

Impac SV Inner TubeThis Inner Tube from Impac is manufactured by Schwalbe under the Impac brand name. It is an excellent performer and is superb value for money.Features: High-Quality Butyl Inner Tube Valve Type: PrestaBuy Impac Tyres & Tubes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Cable End Crimps (10 Pack) - Black, Black
  • £4.99

Transfil Cable End Crimps (10 Pack)These cable end crimps come as a pack of 10 and feature a high-grade alloy construction for maximum strength and durability on your ride. Transfil has also equipped these with a hard anodised finish that gives them additional corrosion resistance for reliable inner wire actuation in all-weather conditions. One final highlight is this pack is available in a range of colour options to choose from, so you can add some extra style to your ride. This makes it a great choice of upgrade for smooth and dependable performance while protecting the end of the inner wire.The Transfil 10 Pack Cable End Crimp is made from the highest quality materials. Transfil's technology comes from the research, innovation, and production of the control cables they produce for the French car industry. Their bicycle brake and gear cable accessories, end caps and ferrules are among the most reliable and dependable on the market.Features: Material: High-grade Alloy Finish: Hard Anodised with various colour options to choose from Number of Cable End Crimps: 10 pack Protects the end of your cable inner wireManufacturer's Part Number: KB62G Gold M 10 pack KB62K Black M 10 pack KB62R Red M 10 packBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Black Snake PTFE Brake Cable
  • £4.99

Transfil Black Snake PTFE Brake CableFeaturing a high-quality PTFE build for excellent resistance on your ride, this replacement brake cable is perfect for when it's time to service your brakes. Transfil has also kitted out this model with a Teflon coating that's waterproof and has anti-friction properties for smooth performance. Suitable for both road bikes and mountain bikes, this cable is easy to fit, maintenance-free and does not fray. Features: Material: Polytetrafluoroethylene (PTFE) Finish: Teflon coated Use: Road, Mountain Bike (MTB) Type: Brake Cable Size: 2000mm ANTI friction Easy to fit Maintenance-free Does not fray WaterproofManufacturer's Part Number: KB30 Black 2mBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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