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

Brand-X Cruiser Saddle - Black, Black
  • £11.99
  • RRP £16.99
  • Saving you £29

Brand-X Cruiser SaddleThe Brand-X Cruiser saddle is a great quality, value and performance saddle which has been designed for the Cruiser rider. It features a durable 100% waterproof one piece synthetic cover and features a coil sprung suspension system for super comfort in all conditions.Black steel rails, black bumpers, and subtle graphics provide an understated stealthy appearance.Features: Strong and reliable Steel Rails which have been painted black for durabilityCoil Sprung suspension for a smooth ride Durable 100% waterproof one piece synthetic coverSpecifications: Use: Cruiser Bikes Size: 269mm x 256mm Weight: 1012gBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Syncros Aspect M3.0 Saddle - Black-White - Steel Rails}, Black-White
  • £11.99
  • RRP £49.99
  • Saving you £76

Syncros Aspect M3.0 SaddleThis high-quality MTB saddle features a durable microfabric cover construction, which means that it's ready to handle the pressure and intensity that's associated with long days in the mountains. Syncros has also equipped this trail-ready saddle with rock-solid steel rails, so you can benefit from a safe and secure hold to your seatpost when the terrain gets tough. Coming kitted out with light polyurethane foam padding, this model provides fantastic comfort on longer rides while its central channel zone relieves pressure and fatigue.Features: Cover Material: Synthetic MicrofabricRails Material: SteelPadding Material: Polyurethane (PU) FoamUse: MTBDimensions: 135x275mmRails Size: 7x7mmManufacturer's Part Numbers: Black/Orange: 85206585; Black/Yellow: 85206586; Black/Red: 85206587; Black/Grey: 85206588; Black/White: 85206589 and Black/Green: 85206590Shape: Narrow with Central ChannelWeight: 325gBuy Syncros Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Inline Seatpost - Black - 26.8mm, Black
  • £11.99
  • RRP £16.99
  • Saving you £29

Brand-X Inline SeatpostThis lightweight aluminium Inline Seatpost from Brand-X is manufactured for strength, stiffness and durability. Featuring a 2D forged head and clamp, this aluminium Seatpost comes with a micro-adjustable 2-bolt design, which makes fitting a new saddle or adjusting the angle as easy as possible.Stealth FinishThis light and strong Brand-X Inline 6061 Seatpost has a black anodised finish for an understated and stealthy appearance. The incremental markings will help you set your saddle height easily.Features:Material: 6061-T6 AluminiumLength: 400mmLayback: 0mmFinish: Turned and Anodised shaft/Anodised headIncremental height markingsEN-M ApprovedUse: Road/MTBWeight: 308g (31.6mm)Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Inline Seatpost - Black - 26.4mm, Black
  • £11.99
  • RRP £16.99
  • Saving you £29

Brand-X Inline SeatpostThis lightweight aluminium Inline Seatpost from Brand-X is manufactured for strength, stiffness and durability. Featuring a 2D forged head and clamp, this aluminium Seatpost comes with a micro-adjustable 2-bolt design, which makes fitting a new saddle or adjusting the angle as easy as possible.Stealth FinishThis light and strong Brand-X Inline 6061 Seatpost has a black anodised finish for an understated and stealthy appearance. The incremental markings will help you set your saddle height easily.Features:Material: 6061-T6 AluminiumLength: 400mmLayback: 0mmFinish: Turned and Anodised shaft/Anodised headIncremental height markingsEN-M ApprovedUse: Road/MTBWeight: 308g (31.6mm)Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Inline Seatpost - Black - 27.0mm, Black
  • £11.99
  • RRP £16.99
  • Saving you £29

Brand-X Inline SeatpostThis lightweight aluminium Inline Seatpost from Brand-X is manufactured for strength, stiffness and durability. Featuring a 2D forged head and clamp, this aluminium Seatpost comes with a micro-adjustable 2-bolt design, which makes fitting a new saddle or adjusting the angle as easy as possible.Stealth FinishThis light and strong Brand-X Inline 6061 Seatpost has a black anodised finish for an understated and stealthy appearance. The incremental markings will help you set your saddle height easily.Features:Material: 6061-T6 AluminiumLength: 400mmLayback: 0mmFinish: Turned and Anodised shaft/Anodised headIncremental height markingsEN-M ApprovedUse: Road/MTBWeight: 308g (31.6mm)Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC X10 10 Speed Chain - Silver - Black - 114 Links}, Silver - Black
  • £11.99
  • RRP £29.99
  • Saving you £60

KMC X10 10 Speed ChainThe high-quality KMC X10 10 Speed Chain is perfect for both road and MTB (mountain bike) use as it gives you smoother shifts and incredible torque acceleration. It features a non-directional design which is compatible with Campagnolo and SRAM 10 speed derailleur systems. One final highlight is it weighs in at only 269g (approx), so you won't have to worry about adding any unnecessary weight to your ride.Features:Use: Road, MTBCompatibility: Shimano, Campagnolo and SRAM 10 speed derailleur systemsSize: 1/2x11/128"Pin Length: 5.88mmNumber of Links: 114 linksExtremely durableAnti RustNon-DirectionalEcoProTeQ coatedBX10NB114 Silver: Original Part Number KMC100HSBX10GG114 Grey: Original Part Number KMC1073Weight: 269g (approx)Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Single Speed Track Bike Chain - Silver - 100 Links}, Silver
  • £11.99

Miche Single Speed Track Bike ChainThe Miche Track Chain is a single speed chain featuring 100 links that are made from heat treaded nickel-plated steel for incredible durability and strength. It is a 1/8" chain that is well suited to track racing.Features: Material: Nickel-plated Steel Links: 100 Thickness: 8.6mm Weight: 313gBuy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC E-Bike Chain Ring - Silver - Direct Mount, Silver
  • £11.99
  • RRP £17.99
  • Saving you £33

KMC E-Bike ChainringThis brilliant chainring is specifically designed for E-bike use as it offers excellent pedalling dominance and control. It features a solid CrMo construction which makes it perfectly suited for use with Bosch Generation 3 motors as it confidently handles the extra speeds and torque levels. Hard-wearing and engineered to be long-lasting, this direct mount component is an ideal choice of upgrade for riders who want reliable performance from your electro-assisted ride. Features: Material: CrMo Use: E-bike Mount: Direct mount Dimensions: 11x128" Chainline: 50.5mm Compatibility: Bosch Generation 3Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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FSA Gossamer Asymmetrical Chain Ring - Black-Silver - 32t}, Black-Silver
  • £11.99
  • RRP £39.99
  • Saving you £70

FSA Gossamer Asymmetrical Chain RingCNC-machined to reduce its weight, this road bike chainring has FSA's ABS (Asymmetrical Bolt Spacing) design. This design optimises your pedalling effort. This 4x110mm bolt pattern means this chainring only fits FSA cranksets with this FSA-specific bolt pattern. Constructed from top-quality 7075 aluminium, this individual FSA Gossamer Asymmetrical Chainring is both lightweight and stiff, to ensure you'll enjoy slick shifts and efficient power transfer.Features: Material: CNC-machined 7075 Aluminium Finish: Black Anodised with CNC silver Speed: 2x10/11 speed Bolt Circle Diameter: 4x110mm asymmetrical BCD 110mm asymmetric (ABS) FSA specific crank rings compatible with 10 and 11-speed systems ABS - Asymmetrical Bolt Spacing The chainring has shifting ramps for rapid, precise shifting Sold individually Chainring bolts sold separatelyBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Avid BB5 MTB Disc Brake Pads - Sintered}
  • £11.99

Nukeproof Avid BB5 MTB Disc Brake PadsCustom-manufactured in Taiwan to our exacting standards, Nukeproof brake pads now feature Organic, Semi-metallic and Sintered compounds mounted on steel backing plates for excellent heat dissipation and are available to fit all major brake systems.Nukeproof Disc Brake Pads Outperform their RivalsTested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features: Organic: Good initial bite, Very short bed-in time, Low noise Semi-metallic: Strong initial bite, Fade-resistant, Low noise Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speeds Built For: AM/XC/DH/FR Compatible with: Avid BB5 Disc brakesClick HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof SRAM-Avid Code DB8 Disc Brake Pads - Sintered}
  • £11.99

Nukeproof SRAM-Avid Code Disc Brake PadsCustom-manufactured in Taiwan to our exacting standards, Nukeproof brake pads now feature Organic, Semi-metallic and Sintered compounds mounted on steel backing plates for excellent heat dissipation and are available to fit all major brake systems.Tested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features: Organic: Good initial bite, Very short bed-in time, Low noise Semi-metallic: Strong initial bite, Fade-resistant, Low noise Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speeds Built For: AM/XC/DH/FR Compatibility: SRAM DB8, Avid Code, Code R, Code RSC 2011 onwards & Guide RE Disc brakesClick HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Avid Elixir and SRAM DB-Level Brake Pads - Sintered}
  • £11.99

Nukeproof Avid Elixir and SRAM DB-Level Brake PadsCustom-manufactured in Taiwan to our exacting standards, Nukeproof brake pads now feature Organic, Semi-metallic and Sintered compounds mounted on steel backing plates for excellent heat dissipation and are available to fit all major brake systems.Tested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features:  Organic: Good initial bite, Very short bed-in time, Low noise  Semi-metallic: Strong initial bite, Fade-resistant, Low noise  Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speeds  Built For: AM/XC/DH/FR  Compatible with: Avid Elixir (1, 2, 3, 5, 7, R & CR)/DB, SRAM XX/XO, Trickstuff CLEG 2 Disc brakes, Level Ultimate and Level TLM from MY20 onwards onlyClick HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Magura MT 2-4-6-8 MTB Disc Brake Pads - Sintered}
  • £11.99

Nukeproof Magura MT 2-4-6-8 MTB Disc Brake PadsCustom-manufactured in Taiwan to our exacting standards, Nukeproof brake pads now feature Organic, Semi-metallic and Sintered compounds mounted on steel backing plates for excellent heat dissipation and are available to fit all major brake systems.Tested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features: Organic: Good initial bite, Very short bed-in time, Low noise Semi-metallic: Strong initial bite, Fade-resistant, Low noise Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speeds Built For: AM/XC/DH/FR Compatible with: Magura MT2, MT4, MT6 and MT8Click HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Formula One-R1-RX-Cura Disc Brake Pads - Sintered}
  • £11.99

Nukeproof Formula One-R1-RX-Cura Disc Brake PadsCustom-manufactured in Taiwan to our exacting standards, Nukeproof brake pads now feature Organic, Semi-metallic and Sintered compounds mounted on steel backing plates for excellent heat dissipation and are available to fit all major brake systems.Tested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features: Organic: Good initial bite, Very short bed-in time, Low noise Semi-metallic: Strong initial bite, Fade-resistant, Low noise Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speeds Built For: AM/XC/DH/FR Compatible with: Formula T1, R0, R1, RX, The One, Mega, Cura Disc brakesClick HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Shimano Deore M515-M525-Tektro Disc Pads - Sintered}
  • £11.99

Nukeproof Shimano Deore M515-M525-Tektro Disc PadsNow available in a range of different compounds, Nukeproof's mountain bike disc brake pads are machined and assembled to precise standards. Assembled on to a steel base, they disperse heat efficiently to bring you reliable control and are made in the exact shape and sizes that are required for the best selling brake brands.Race-Proven MTB Disc Brake PadsTested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features:  Compounds:  Organic: Good initial bite, Very short bed-in time, Low noise    Semi-metallic: Strong initial bite, Fade-resistant, Low noise  Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speedsBuilt For: AM/XC/DH/FR  Compatibility: Shimano M395, M415, M416, M445, M465, M475, M485, M486, M495,M501, M506, M515, M525, M575, T615; Quad Sting, Rapide, Nano; Tektro Auriga, Aquila, Dorado, Draco, Gemini, HDC; TRP Hylex, HYDR, Spyre; Giant MPH; RST D-Power  Number of Pads Included: 2 (1 pair)Click HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Saint-Deore-XT 4 pot-TRP Quadium-Slate - Sintered}
  • £11.99

Nukeproof Saint-Deore-XT 4 pot-TRP Quadium-SlateCustom-manufactured in Taiwan to our exacting standards, Nukeproof brake pads now feature Organic, Semi-metallic and Sintered compounds mounted on steel backing plates for excellent heat dissipation and are available to fit all major brake systems.Tested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features: Organic: Good initial bite, Very short bed-in time, Low noise Semi-metallic: Strong initial bite, Fade-resistant, Low noise Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speeds Built For: AM/XC/DH/FR Compatible with: Shimano M810, M820, M640, M7120, M8120; TRP Quadiem and SlateClick HERE for compatibility chart.Click here to view and download our Installation Guide.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Shimano XTR-XT Disc Brake Pads - Sintered}
  • £11.99

Nukeproof Shimano XTR-XT Disc Brake PadsNow available in a range of different compounds, Nukeproof's mountain bike disc brake pads are custom made to precise standards. Assembled on to a steel rear plate, they disperse heat efficiently to bring you consistent braking power and are made in the exact shape and sizes that are required for the best selling brake brands.Race Tested MTB Disc Brake PadsTested to their limit in all possible conditions by some of the World's toughest and most demanding riders, Nukeproof disc pads will outperform the competition in wet weather or dry. No nonsense, High quality, High power braking with excellent modulation.Features:  Number of Pads: 2 (pair for one brake)  Compounds:    Organic: Good initial bite, Very short bed-in time, Low noise    Semi-metallic: Strong initial bite, Fade-resistant, Low noise  Sintered: High heat resistance, Superior performance in wet and dry conditions, Strong and consistent braking over wide range of speedsBuilt For: AM/XC/DH/FR  Compatibility: Shimano M615, M666, M675, M785, M985, M987, M988, M6000, M7000, M8000, M9000, M9020, R315, R515, R785, RS785, S700; FSA K-Force DB-XC9000, Afterburner DB-XC-9150Click HERE for compatibility chart.Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Hope Tech 3 E4 MTB Disc Brake Pads - Sintered}
  • £11.99

Nukeproof Hope Tech 3 E4 MTB Disc Brake PadsThese Nukeproof-made Hope pads work hard to maintain the quality of your braking performance all year round. The standard pads are intended for summer use while the sintered pads are ideal for winter runs and are made of a harder compound than the standard, ensuring confident and consistent stopping with every engagement.Features: Conditions: Ideal for dry weather Pad Compound: Standard, Sintered Compatible with: Hope Tech 3 E4 Click HERE for compatibility chart. Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Pro Quick Fit Brake Hose Adaptor Kit - Black - SRAM Guide RSC A1}, Black
  • £11.99
  • RRP £20.00
  • Saving you £40

Jagwire Pro Quick Fit Brake Hose Adaptor KitDesigned to work seamlessly with Jagwire's Mountain Pro Hydraulic hose, the Jagwire Pro Quick Fit Adaptor Kit is the perfect way to enhance braking performance and durability. Adaptor kits are available to suit most popular brake systems and contain all the components required to fit Jagwire Mountain Pro Hydraulic hoses to one brake.Features: Compatibility: Kits available to suit most popular brake systems Each kit contains hardware fit 1 hoseBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Token Carbon Headset Spacer - Black - 10x10mm}, Black
  • £11.99
  • RRP £13.99
  • Saving you £14

Token Carbon Headset Spacer Carbon Spacers for 1-1/8"Fork Steerer Features: HA/73* SA/75* CS/15.75" - 4oomm Buy Token Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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