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

Prime SR1D 12mm Front End Caps - Black - 12mm}, Black
  • £11.99

Prime SR1D 12mm Front End Caps Black 12mm The SR1D 12mm Front End Caps from Prime are 12mm Bolt through front end caps for Prime SR1D disc brake, J Bend Hubs. Features: 12mm Bolt through front end caps for Prime SR1D disc brake hubs J Bend Hub Genuine Prime spare partsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime SR2D 12mm Front End Caps - Black - 12mm}, Black
  • £11.99

Prime SR2D 12mm Front End Caps Black 12mm The SR2D 12mm Front End Caps from Prime are 12mm Bolt Thru end caps for the Prime SR2D Disc Brake front, straight-pull hub. Features: 12mm Bolt Thru SR2D 12mm Front End Caps for the Prime SR2D front hub For Disc Brake and Straight Pull Hub variant Genuine Prime spare partsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime SR1D 12mm Rear End Caps - Black - 12mm}, Black
  • £11.99

Prime SR1D 12mm Rear End Caps Black 12mmThe SR1D 12mm Rear End Caps from Prime are 12mm Bolt through rear end caps for Prime SR1D disc brake, J Bend Hubs. Features: 12mm Bolt through rear end caps for Prime SR1D disc brake hubs J Bend Hub Genuine Prime spare partsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime SR2D 12mm Rear End Caps - Black - 12mm}, Black
  • £11.99

Prime SR2D 12mm Rear End Caps Black 12mm The SR2D 12mm Rear End Caps from Prime are 12mm Bolt Thru end caps for the Prime SR2D Disc Brake rear, straight-pull hub. Features: 12mm Bolt Thru SR2D 12mm Rear End Caps for the Prime SR2D rear hub For Disc Brake and Straight Pull Hub variant Genuine Prime spare partsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vaude Race Light Saddle Bag - Black - Small}, Black
  • £11.99

Vaude Race Light Saddle BagThe Race Light is a compact saddlebag, ideal if you wish to carry only the essentials. Perfectly sized to carry a spare tube, levers and multi-tool, the Race Light is light enough to be used when racing. With easy to use Velcro fasteners, this is the ideal saddlebag if you prefer a minimalist look.Features: Small and light saddlebag, ideal for racing Easy and convenient Velcro fasteners Reflective elements enhance your safety by making you more visible to other road usersSafety light attachmentFabric: Main fabric: 100% Polyamide, 70 D both sides siliconised. Contrast fabric: 100% Polyester, 210 D Honeycomb Polyurethane coated. Lining: 100% Polyester, 200 D Polyurethane coatedWeight: 39gSize: 7.5 x 7 x 14cmBuy Vaude Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Enduro Bearings ABEC5 ACB MRA 2437 LLB Bearing - Silver - 24x37x7mm}, Silver
  • £11.99
  • RRP £13.49
  • Saving you £11

Enduro Bearings ABEC5 ACB MRA 2437 LLB BearingBuilt to deal with the demands and powerful movements of regular riding, this high-strength bearing features HRC-64 hardened Chromium Steel Balls, and 52100 High-Carbon Chromium-Alloy mirror polished races for reliable and strong performance. With an almost-silent working, the ball retainers allow virtually frictionless movement and provide consistent lubrication to prolong the life of this bearing.Features: Dimensions:  24x37x7mm ABEC: 5 Seals:  LLB Grease:  Kyodo Yushi PS-2 Application:  Hubs, Bottom Brackets Weight:  31.1gBuy Enduro Bearings Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Enduro Bearings ABEC3 6805 LLU Max Bearing - Silver - 25x37x7mm}, Silver
  • £11.99
  • RRP £12.99
  • Saving you £8

Enduro Bearings ABEC3 6805 LLU Max BearingA high-performance bearing for use on free-moving bicycle parts including frame pivots, this ABEC 3 bearing works to military standard and is capable of carrying super-high loads. Engineered without the need for retainers and filled with 40% more balls than standard ABEC 3 and ABEC 5 models, it works hard to keep your vital components working efficiently as can be. Loaded with CRC Marine Grease, it gives a consistently smooth and durable performance. Features:Bearing Code: 6805Dimensions: 25x37x7mm ABEC: 3 Grade: 10 Seals: LLU Grease: CRC Marine Application: Frame PivotsWeight: 21.55g Buy Enduro Bearings Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fenwicks PTFE Anti-Seize Grease - 80ml}
  • £11.99

Fenwicks PTFE Anti-Seize GreaseAn anti-seize compound that protects metals from corrosion, aiding sealing and assembly, Fenwick’s PTFE Anti-Seize has virtually identical properties to Fenwick’s Copper-Anti Seize but is white in colour, non-staining and has an easy to wipe-up formula.Features Tube packaging negates the need for a specific grease gun, as it includes a pinpoint nozzle for accurate application and minimal wastage Anti-seize assembly grease Protects metals from corrosion White in colour Suitable for threaded and interface fit componentsBuy Fenwicks Lubes & Cleaning from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fenwicks Professional Carbon Fibre Assembly Paste - 80ml}
  • £11.99

Fenwicks Professional Carbon Fibre Assembly PasteThe advanced formula in Fenwicks’ Assembly Paste is ideal for professional and home mechanics when installing expensive carbon fibre components. It’s grip-enhancing polybeads help you to obtain the security of a firm hold. Plus, as you’ll obtain the grip you need easier, you’ll avoid damaging carbon fibre bike frames or components by overtightening.Features: Ideal for carbon-to-carbon or carbon-metal interfaces Clear paste with polybeads Stops slippage and creaking Long lasting Non-staining Non-smeary Long applicator nozzle, so no need for a grease gun, no mess when applied Packaging is non-porous so zero risk of contamination Easy to store - hang it up or stand it up Ideal size for a toolbox Buy Fenwicks Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fenwicks Stealth High Speed Grease - 80ml}
  • £11.99

Fenwicks Stealth High Speed GreaseMarginal gains are very important in the cycling industry so replace the existing grease in your rotational cup & cone or cartridge bearings to remove wasted watts and reduce friction.  Fenwick’s Stealth High Speed Grease has a super low viscosity to improve bearing efficiency for race days.  The 80ml tube packaging negates the need for a specific grease gun, as it includes a pinpoint nozzle for accurate application and minimal wastage. Features: Super low friction formula Improves bearing efficiency Ultimate performance Suitable for loose cartridge bearingsBuy Fenwicks Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fenwicks Disc Brake Cleaner - 500ml}
  • £11.99

Fenwicks Disc Brake CleanerFast and efficient, this disc-brake specific cleaning fluid keeps your rotors spick and span thanks to its evaporating, triple solvent formula. Fit for use on a variety of contaminants, it gives a thorough clean and a dry finish while reducing brake squeal and improving overall performance. Features:Formula: Triple SolventSuitability: Disc brakesInstructions for use: Step 1: Initially, spray from a distance of 20cm to wet down the surface to be cleaned - use short blastsStep 2: Leave for 10 secondsStep 3: After surfaces have been wetted, blast away contaminants by moving the aerosol closer and using prolonged bursts. Catch residue with an absorbent clothTop Tip: If used as a chain degreaser re-lube using a Fenwick's chain lubeBuy Fenwicks Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fenwicks Drivetrain Degreaser - 500ml}
  • £11.99

Fenwicks Drivetrain DegreaserThis fast and efficient way to prepare your drivetrain for lubrication gets rid of the mud and muck which builds up during rough and ready rides. Designed to blast through grease, oil and grime, this easily-applied formula leaves a protective, rust-resistant finish after washing away all the contaminants. Ideal for every part of your drivetrain, it is the ideal first step in getting your chain and other components back to their very best. Features:Formula: Corrosion-resistantSuitability: DrivetrainBuy Fenwicks Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Squirt Chain Lube (120ml) - 120ml}
  • £11.99
  • RRP £12.99
  • Saving you £8

Squirt Chain Lube (120ml)This high-performance wax-based chain lube helps ensure your bike chain in good condition no matter what challenges you meet on the trails. This lube has been made from environmentally friendly, biodegradable waxes, is easy to apply and thanks to its emulsion, has a long-lasting quality that will keep your chain line clean. Biodegradable, Wax-based Chain LubeDesigned to lubricate your chain and protect it against the rigours of the long-distance road and mountain rides, this non-solvent and fast-acting cleaner are ideal for keeping your chain running at its very best. Best stored between 5°C and 35°C, this smooth texture lube won't separate or clog the nozzle after use and does not suffer from dirt-build up or turn to a grinding paste.Features:Formula: Wax-based, 100% biodegradable, non-flammableStorage: Best stored between 5°C and 35°CSize: 120mlSuitability: Road and MTB (mountain bike) chainsApplication Instructions:Do not apply over a greasy chain which has had "wet" or "dry" lubes on itDegrease and allow to dry before first useApply a drop of Squirt on each chain roller and do not wipe offWait five minutes and reapply. Don't be alarmed if overzealous application leads to initial drippage.If lube makes contact with skin, remove with warm water and soapBuy Squirt Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Finish Line Ecotech 2 Bike Chain Degreaser - Grey - 12oz Aerosol}, Grey
  • £11.99

Finish Line Ecotech 2 Bike Chain DegreaserThis superb model features the latest technologies to remove dirt and grease without damaging your fragile plastic and rubber components. Additionally, its fast-acting formula tackles the grimiest metal parts of your bike with ease plus it's safe to clean parts with urethane elastomers and painted surfaces. Finally, its powerful soy-extracted solvents are biodegradable, so you won't have to worry about harming the environment.Features: Safe to use on painted surfaces, parts with delicate seals, urethane elastomers and more Environmentally friendly formula is fully biodegradable 100% active, so contains no water but can be diluted for less aggressive cleaningBuy Finish Line Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Triple Spoke Wrench (SW-7.2) - Silver, Silver
  • £11.99

Park Tool Triple Spoke Wrench (SW-7.2)With its round, smooth shape that fits comfortably in the hand, the SW-7.2 spoke nipple key is ideal for home mechanics or to carry with you on long distance touring rides. Park Tool has precision machined and Nickel plated it for extra durability and it’s compatible with three of the most commonly used sizes. Features: Fits .127" (3.23mm), .130" (3.30mm) & .136" (3.45mm) nipples Lightweight and portable Nickel platedBuy Park Tool Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Cassette Lockring Tool (FR-5.2) - Black, Black
  • £11.99

Park Tool Cassette Lockring Tool FR-5.2Enjoy quick and simple removal and installation of cassette lockrings with this handy tool from Park Tool. Designed to be hassle-free, this lockring tool is suitable for use with a variety of cassette lockrings, making it a versatile essential for any cycle workshop.Easy and Efficient Lockring RemovalDurably built from heat-treated alloy tool steel, for daily garage and workshop use, the Park Tool Cassette Lockring Tool FR-5.2 has a thin wall construction, with 12 splines for accurate engagement with similarly splined lockrings. Specially designed to make the job easy, there is no need to remove cones and locknuts when using this fantastic bit of kit.Sized perfectly to be used with a lockring wrench or bench vice for extra leverage, the tool is compatible with a range of cassette lockrings including Shimano, SRAM, and Chris King, and some Shimano disc brake lockrings.  With the Park Tool Cassette Lockring Tool FR-5.2 in your toolbox, you will never be short of work.  Features: Material: Heat Treated Alloy Tool Steel Compatibility: Shimano, SRAM (including 1x), SunRace, SunTour, Chris King, and other cassette lockrings + some Shimano disc brake lockrings Size: 1" base with 12 splines (approximately 23.4mm across), 12mm centre bore for axle clearance Note for Usage: Hold the tool in place with a quick-release skewer and have it snug to cogs when loosening. Use the axle nut for solid axles.Buy Park Tool Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Weldtite Jetvalve CO2 Tyre Inflation System - Silver - Inc. Head, Cylinder & Sleeve}, Silver
  • £11.99

Weldtite Jetvalve CO2 Tyre Inflation System The Jetvalve CO2 Inflation System from Weldtite is a compact, powerful and efficient CO2 inflator that gets your bike tyres up to optimum pressure quickly. Ideal for use with all bike tyre types and is compatible with both Presta and Schrader valves, this inflator is lightweight and versatile, and is a beneficial addition to any rider's kit bag.Fast and Efficient CO2 Tyre Inflation SystemThe trick to reducing the hassle of punctures is being prepared, so you can be riding again as quickly as possible. Jetvalve's range of innovative mounts and pods are designed to transport Jetvalve CO2 cylinders and inflators ergonomically, without impacting on the overall aesthetic of the bike Jetvalve CO2 inflators are easy to use and effective, getting you up to full pressure in seconds. Whether you ride tubeless, tubular or with inner tubes, Jetvalve is the answer when every second counts. Lightweight, Compact and Convenient CO2 for Bike TyresJetvalve is the lightweight, compact CO2 system for easy, instant inflation for both Presta and Schrader type valves. The system now includes a number of lightweight mounts and pods with silicone straps for secure fixing, designed to be mounted on seat posts and bottle cages. Features: Includes: Head, Cylinder and Sleeve Angled Head For Ease Of Use Compatible with 16g and 25g Threaded Cylinders Compatible With Presta and Schrader Valves Lightweight Robust Design Part Number: 07024Buy Weldtite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool P-Handled Hex Wrench - PH - Blue - Black - 8mm, Blue - Black
  • £11.99
  • RRP £13.99
  • Saving you £14

Park Tool P-Handled Hex Wrench - PH These thoughtfully designed P-handled hex wrenches fit the task at hand, and they fit in your hand too. The hex wrenches are made from high torque industrial steel and through hardened for long life.Special “speed bearing”attachment facilitates installation and removal of long-threaded socket head bolts and nuts.Features: Offset P-handle made from durable nylon and ergonomically designed for comfortable use Long shaft of each wrench fitted with Bondhus Balldriver tip Short end is chamfered for high torque applicationsBuy Park Tool Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Mud Border 83 Degree Mountain Bike Stem - Black Anodized - 1.1/8", Black Anodized
  • £11.99
  • RRP £32.99
  • Saving you £64

Deda Elementi Mud Border 83 Degree Mountain Bike StemEngineered for mountain bike riding, this versatile stem offers exceptional strength on the most demanding of trails. It features a hard-wearing aluminium construction, which makes it perfect at handling all the abuse that's associated with all-day epics in the mountains. Deda Elementi has also put this model through anodising process, which gives it additional protection against corrosion. This makes it a great choice of upgrade for riders who want a dependable stem for all-conditions. Features: Material: Aluminium Finish: Anodised Use: MTB Length: Multiple options available to select Clamp Diameter: 31.7mm Steerer Diameter: 1 1/8" Angle: 83 degrees Manufacturer's Part Numbers: 130mm: MUDB130 120mm: MUDB120; 100mm: MUDB100 and 110mm: MUDB110Buy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Wellgo LU 987U Flat Mountain Bike Pedals - Red, Red
  • £11.99

Wellgo LU 987U Flat Mountain Bike Pedals The Wellgo LU 987U Flat Pedals is a solid and reliable pedal design. Featuring 9 (replaceable) steel pins per side, sturdy CrMo axles and stylish design, they are perfect for any riding style, any terrain, in all weather conditions.Features: Pedal Body Material: Alloy Axle Material: CrMo Use: XC, All-Mountain, Trail, Freeride Bearings: Sealed cartridge Weight: 570g (pair) Buy Wellgo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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