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

RapidRacerProducts EnduroGuard Front Mudguard - Black - Turquoise - Large}, Black - Turquoise
  • £9.99
  • RRP £10.99
  • Saving you £9

RapidRacerProducts EnduroGuard Front MudguardA unique mudguard, the EnduroGuard Mudguard can be used either on the front of your mountain bike or on the rear. It prevents mud, water and whatever else the trail throws up from the back of the tyre from reaching your face or back. Plus, in addition to keeping you clean, it protects your frame's rear linkages too. Clip on Mountain Bike MudguardAvailable in two sizes, the "standard" model suits shorter travel cross country and 4X forks with 80-120mm travel. The longer "large" model is best for trail, enduro and downhill bikes with 130-200mm travel.Features:Works as a front or rear mudguard  Front guard protects you, rear guard protects your linkages and shock  Available in two sizes, to fit all bikes  Weight: 23g (standard), 26g (large)Buy RapidRacerProducts Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Tubeless Ready Kit - Eco Sealant - 48mm Valve
  • £9.99
  • RRP £32.99
  • Saving you £70

Joe's No Flats Tubeless Ready Kit - Eco SealantThis version of the popular Joe's No Flats Tubeless Ready Kit comes with their eco-friendly sealant and has everything you need to setup tubeless ready rims and tyres. One of the quickest and easiest to use on the market, the sealant that comes with this kit contains micro-sealing particles to quickly find and seal any irregularities in the rim or tyre.Latex Free It also instantly seals punctures in the tread up to 6mm and more permanently than any other sealant on the market. Another benefit of this eco version is that it's suitable for use by those with sensitivity to latex, as it is latex free.Please note: This sealant is not compatible with CO2 cartridges.Features: For two 26", 27.5" (650b) or 29" mountain bike wheels Fits rims with Presta valve hole openings Contains: 240ml Joe's eco sealant, with micro-sealing particles 2x tubeless Presta valves with removable cores 1x roll of nylon rim tape for 2 wheels 1x valve key for easy removal of the core 1x spare Presta valve core 1x Presta to Schrader adapter Weight: 60g (per strip including valve)Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Sea To Summit Titanium Spork SS21 - Blue Anodised, Blue Anodised
  • £9.99
  • RRP £11.10
  • Saving you £10

Sea To Summit Titanium Spork A premium camp cutlery item, the Sea To Summit Titanium Spork is strong and resistant to wear, making it perfect for a life in the outdoors.Ultra-durable and versatile, the Sea To Summit Titanium Spork won't break at the bottom of your pack while keeping your food safe.Features:Compact and incredibly lightweightCarabiner included Buy Sea To Summit Camping from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Mountain Bike Stem - Black with Silver Bolts - 1.1/8", Black with Silver Bolts
  • £9.99
  • RRP £12.99
  • Saving you £23

Brand-X Mountain Bike StemThe Brand-X Mountain Bike Stem is constructed from 3D forged aluminium ensuring it is incredibly durable and strong, without compromising on weight. Featuring a flip design which ensures the front end stays low, it is made for a clamping zone of 31.8mm, making it the perfect choice for a 29" or 27.5" bike.  Features:Sizes: 60, 70 + 80mm LengthsRise: 7 DegreesClamp Diameter: 31.8Material: 3D Forged AluminiumFinish: AnodisedColour: BlackEN-M ApprovedWeight: 146 grams (60mm)Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Front Mountain Bike Hub Boost Conversion - Black - 15x100mm to 15x110mm}, Black
  • £9.99

Brand-X Front Mountain Bike Hub Boost ConversionThis conversion kit includes two axle spacers, a 6-bolt rotor spacer and rotor bolts for straightforward installation. Designed to work with most 15mm non-Boost hubs, it is also recommended to check with your specific hub manufacturer for full compatibility. This kit is specifically developed to allow a 15x100mm hub to be converted to 15x110mm Boost spacing. Genuine Brand-X spare parts.Features: Compatibility: Most 15mm non-Boost hubs Includes: 2x axle spacers, 6-bolt rotor spacer and rotor bolts Conversion: 15x100mm to 15x110mm Manufacturer's Part Number: BXFBCBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Clif Bar Water Bottle Taster Pack (Shot Bloks) - Assorted - One Size, Assorted
  • £9.99
  • RRP £16.99
  • Saving you £41

Clif Bar Water Bottle Taster Pack (Shot Bloks)The ultimate Clif Bar bundle, the Water Bottle Taster Pack includes a sports water and a great collection of nutrition treats for use before, during and after exercise.In the Box1 x 750ml Water Bottle1 x Builder’s Chocolate Peanut Butter Bar (68g)1 x Shot Bloks Mountain Berry (60g)1 x Clif Bar Crunchy Peanut Butter (68g)1 x Nut Butter Choc Hazelnut Bar (50g)Builder’s Chocolate Peanut Butter Bar (68g)The Builder’s Bar is great for consuming post-workout, delivering 20g protein the bar can help your body recover, aiding in the building of muscle and restoring your body after intense exercise. The bar is made with all natural and recognisable ingredients with soya protein, oats, nuts, peanut butter and cocoa.Shot Bloks Mountain Berry (60g)The Shot Bloks are a different kind of energy bar – including 6 individual ‘Bloks’, the bar is a semi-solid, easy-to-chew source of carbohydrate. Great tasting and easy to consume, the Bloks are a perfect energy choice for use during exercise.Clif Bar Crunchy Peanut Butter (68g)The classic Clif Bar, the bar is made with Organic Rolled Oats mixed with smooth peanut butter and cunchy peanut pieces, creating a great tasting energy bar that packs a delicious punch. Packed full of energy the bars are also a source of protein and fibre, with added Vitamin B6 and B12 which help to contribute to the normal release of energy.Nut Butter Choc Hazelnut Bar (50g)The Nut Butter bar delivers a delicious creamy chocolate nut butter blend filling with hazelnut butter inside a delicious snack bar. The bar also provides 6-7g of plant-based protein.FeaturesBundle including a 750ml water bottle, a Shot Bloks Bar, Nut Butter bar, Builders Protein Bar and classic Clif Energy BarGreat for before, during and after exerciseIncludes a range of delicious flavoursEasy to transportUsing natural ingredientsSuitable for vegetarians and vegansBuy Clif Bar Nutrition Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Rear Mountain Bike Hub Boost Conversion - Black - 142x12mm to 148x12mm}, Black
  • £9.99

Brand-X Rear Mountain Bike Hub Boost ConversionThis conversion kit includes two axle spacers, a 6-bolt rotor spacer and rotor bolts for straightforward installation. Designed to work with most 142mm non-Boost hubs, it is also recommended to check with your specific hub manufacturer for full compatibility. This kit is specifically developed to allow a 142x12mm hub to be converted to 148x12mm Boost spacing. Genuine Brand-X spare parts.Please note: Your wheel may need redished to work in a Boost frame.Features: Compatibility: Most 142mm non-Boost hubs Includes: 2x axle spacers, 6-bolt rotor spacer and rotor bolts Conversion: 142x12mm to 148x12mm Manufacturer's Part Number: BXRBCBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vitus ZX-1 Evo Stem Cable Guide
  • £9.99

Vitus ZX-1 Evo Stem Cable GuideThis cable guide is developed specifically for use with Vitus ZX-1 Evo road bike stems from 2021 to present. Perfect for tidying up your cable routing. Genuine Vitus spare parts.Features: Use: Road Compatibility: Vitus ZX-1 Evo (2021-Present) Genuine Vitus spare partsBuy Vitus Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Trail Wheelset Front QR End Caps - Black - Pair}, Black
  • £9.99

Brand-X Trail Wheelset Front QR End CapsThis end cap set includes two front QR end caps for use on the Brand-X Trail front wheel. Genuine Brand-X spare parts.Fitment Instructions: Pull off old end cap, use pliers if some extra grip is required. Push new end cap on the hub and it is now ready to fit to your bike.Features: Compatibility: Front QR end caps for Brand-X Trail wheel Single or Pair: Pair Manufacturer's Part Number: BXTWFQRECBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Mega Alloy MTB Chain Stay Protector 275 - Neutral, Neutral
  • £9.99

Nukeproof Mega Alloy MTB Chain Stay Protector 275For top-grade defence against bumps, scratches and dents on your framework, Nukeproof's Mega Alloy 275 Chain stay Protector will ensure your chain stays stay clean and nick free on every ride.High Quality Protective Nukeproof Chainstay CoverDesigned for 2021-2022 Mega Alloy 275 models, these original Nukeproof covers offer great protection from their durable moulded silicone construction. Attaching to your chainstays via the 3M adhesive backing, the Mega Chain stay Protector is the ideal barrier against bangs, dings and dirt. Features: Material: Moulded Silicone with 3M adhesive backing Compatibility: 2021-2022 Nukeproof Mega Alloy 275 modelsBuy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Trail Wheelset Rear QR End Caps - Black - Pair}, Black
  • £9.99

Brand-X Trail Wheelset Rear QR End CapsThis end cap set includes two rear QR end caps for use on the Brand-X Trail rear wheel. Genuine Brand-X spare parts.Fitment Instructions: Pull off old end cap, use pliers if some extra grip is required. Push new end cap on the hub and it is now ready to fit to your bike.Features: Compatibility: Rear QR end caps for Brand-X Trail wheel Single or Pair: Pair Manufacturer's Part Number: BXTWRQRECBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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MRP Wave Chainring - Race Face - Black - 34t}, Black
  • £9.99
  • RRP £79.99
  • Saving you £88

MRP Wave Chainring - Race FaceThe Wave chainring is an evolution in narrow/wide chainring designs. The wider spacing ensures that mud is cleared more efficiently whilst still maintaining a tight grip on chain security.Features: Material: CNC machined 7075 Aluminium Compatibility: Race Face Cinch direct mount cranksets Available in 28-42T even sizes Designed for Single Ring 1x 8, 9, 10 or 11-Speed drivetrainsBuy MRP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Giga Chain Stay Protector 275 - Neutral, Neutral
  • £9.99

Nukeproof Giga Chain Stay Protector 275The Giga Chain Stay Protector ensures your bikes chain stay has a superb defence against scratches, bumps, dents and scrapes from debris, rocks and your chain. Also, this Giga Carbon 275 compatible protector keeps your frame's chainstay clean and protected on every ride.High Quality and Protective Chainstay CoversDesigned for 2021-2022 Giga Carbon 275 models, these original Nukeproof covers offer great protection from their durable moulded silicone construction. Attaching to your chainstays via the 3M adhesive backing, the Giga Chain stay Protector is the ideal barrier against bangs, dings and dirt. Features: Material: Moulded Silicone with 3M adhesive backing Compatibility: 2021-2022 Nukeproof Giga 275 + 290 modelsBuy Nukeproof Frames & Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fenwicks Foaming Chain Cleaner - 500ml}
  • £9.99
  • RRP £11.99
  • Saving you £17

Fenwicks Foaming Chain CleanerA genuine innovation in how bike chains are cleaned and looked after, the highly effective Foaming Chain Cleaner from bike maintenance experts Fenwicks speeds up this normally time-consuming process. This means you can combine cleaning your chain along with washing your bike, rather than having to go back and do the chain separately.With its simple mess-free application, there is very little waste as only 5 to 10ml of product is needed per clean and it is biodegradable too. Foaming Chain Cleaner does not use solvents or acids (citrus) to be effective, resulting in a safe product to use.To make the process even easier just use Fenwick's Chain Cleaning Sponge to scrub the chain and its Gear Brush (both sold separately) to agitate the cassette, jockey wheels and chainset. The cleaner is biodegradable and safe to use on anodising, carbon, plastics, rubber and painted surfaces.Features:Quickly degreases chains & gears with minimal messSimple to useSolvent & acid freeBiodegradable Directions For Use:1) Place the chain in middle gear for ease of use2) Whilst turning the crank spray Foaming Chain Cleaner directly on to chain3) Leave to soak for a couple of minutes – this can be done whilst you clean the rest of the bike with Fenwick’s Bike Cleaner4) For best results run the chain through the Fenwick’s Chain Cleaning Sponge, specifically designed to agitate and, importantly, capture the chain dirt for a cleaner clean5) Rinse thoroughly with clean waterTop Tip: As a water-soluble degreaser, Foaming Chain Cleaner can be used on delicate partsBuy Fenwicks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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MRP Wave Chainring - Race Face - Black - 28t}, Black
  • £9.99
  • RRP £79.99
  • Saving you £88

MRP Wave Chainring - Race FaceThe Wave chainring is an evolution in narrow/wide chainring designs. The wider spacing ensures that mud is cleared more efficiently whilst still maintaining a tight grip on chain security.Features: Material: CNC machined 7075 Aluminium Compatibility: Race Face Cinch direct mount cranksets Available in 28-42T even sizes Designed for Single Ring 1x 8, 9, 10 or 11-Speed drivetrainsBuy MRP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Mega Carbon MTB Chain Stay Protector 290 - Neutral, Neutral
  • £9.99

Nukeproof Mega Carbon MTB Chain Stay Protector 291For top-grade defence against bumps, scratches and dents on your framework, Nukeproof's Mega Carbon 290 Chain stay Protector will ensure your chain stays stay clean and nick free on every ride. High Quality and Protective Chainstay CoversDesigned for 2021-2022 Mega Carbon 290 models, these original Nukeproof covers offer great protection from their durable moulded silicone construction. Attaching to your chainstays via the 3M adhesive backing, the Mega Chain stay Protector is the ideal barrier against bangs, dings and dirt. Features: Material: Moulded Silicone with 3M adhesive backing Compatibility: 2021-2022 Nukeproof Mega Carbon 290 modelsBuy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Classic Bar Ends - Black - Curved, Black
  • £9.99

Brand-X Classic Bar EndsThe Brand-X quill classic bar end is 3D forged from 1 piece of 6061-T6 Aluminium and features a gentle curve for a comfortable riding position. They can be set at any angle and will fit securely on all handlebars.Features: Length: 140mm Barbore: 22.2mm Diameter of bar end: 22.6mm Weight: 140 grams per pair Finish: Sand Blasted and anodised Colour: BlackBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano ES300 Octalink Bottom Bracket - Black - 73mm x 121mm - English Thread}, Black
  • £9.99
  • RRP £25.99
  • Saving you £62

Shimano ES300 Octalink Bottom BracketSplined bottom bracket for use with Shimano Octalink chainsets.Features: Oversize BB spindle - large 22mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity Octalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindle Sealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud, and water Cartridge design allows easy installation without adjustmentA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ass Savers Regular Rear Mudguard - White, White
  • £9.99

Ass Savers Regular Rear MudguardThis Rear Mudguard from Ass Savers does a good job preventing you from getting wet from tyre spray. Ideal for commuting, racing or even a day out with the bike club, this clever design will ensure your bottom stays dry. Featuring a FLIP-TIP™ design that securely fastens the mudguard to the saddle you can prevent unwanted spray in no time. This mudguard is compatible with all types of saddle rails including carbon rails for extra versatility. Features: Material: 0.8mm Polypropylene Measures: 380x102mm Featuring a Patented FLIP-TIP™ attachment system Easy to mount, requires no tools Fits every standard rail saddle, including carbon rails Suitable for tyre widths between 23-35mm Weight: 19gBuy Ass Savers Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Giga Mountain Bike Down Tube Protector - Neutral, Neutral
  • £9.99

Nukeproof Giga Mountain Bike Down Tube ProtectorThe Giga Down Tube Protector provides top-grade defence against frame scratches, dents, bump and scrapes. This protector ensures your frame's down tube remains clean and nick-free on every ride. High Quality and Protective Down Tube ProtectorDesigned for 2021-2022 Giga Carbon 275 + 290 models, these original Nukeproof covers offer great protection from their durable moulded silicone construction. Attaching to your down tube via the 3M adhesive backing, the Giga down tube Protector is the ideal barrier against bangs, dings and dirt. Features: Material: Moulded Silicone with 3M adhesive backing Compatibility: 2021-2022 Nukeproof Giga Carbon 275 + 290 modelsBuy Nukeproof Frames & Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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