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

Nukeproof Horizon V2 Rear Axle - 142mm - 142mm}, 142mm
  • £11.99

Nukeproof Horizon V2 Rear AxleThis MTB axle is specifically designed as a direct replacement for the original rear axle that comes with Nukeproof Horizon V2 hubs. This rear axle is available in 142mm, 148mm and 150mm axle options. You will need to choose the correct axle to suit your hub spacing.Features: Use: MTBCompatibility: Replacement axle for Nukeproof Horizon V2 hubsNukeproof Part Numbers: 142mm: NUKHORV2142AXLE; 148mm: NUKHORV2148AXLE and 150mm: NUKHORV2150AXLEBuy Nukeproof Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Effetto Mariposa Caffelatex Tubeless Presta Valve Kit
  • £11.99

Effetto Mariposa Caffelatex Tubeless Presta Valve KitThe Caffélatex Tubeless Valve is a great accessory for any tubeless wheel. Thanks to its conic adapters, this versatile valve will adapt to both Presta and Schrader-drilling and features a removable valve core, which allows re-building and the fitting of a tubeless-specific Caffélatex valve extension. Being made of nickel-plated brass, it's also impressively strong and won’t break even with unfriendly pump heads (or rough hands). To make this valve easily recognisable even when mounted it comes with an anodised aluminium-tuning cap. Like all Effetto Mariposa products, it’s made in Italy to the highest quality standards. Features: Anodised aluminium tuning cap makes your quality product easy to identify even when mounted Removable valve core allows re-building and the fitting of tubeless-specific valve extensions Conic adapters adapt to both Presta and Schrader-drilling Nickel-plated brass won’t break (even with unfriendly pump heads) Suits: Road & Off Road Length: 40mm full length (37mm effective length when inserted into the rim-bed) Kit Contains: 2 x Caffélatex Tubeless Valves 2 x Anodised aluminium tuning caps 2 x Rubber conic adapters 2 x Metal washers 1 x Presta mechanism/Valve extension key Buy Effetto Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Presta Valve Core
  • £11.99

Joe's No Flats Presta Valve Core 10 Spare presta valve cores. Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator D-Logo Double Cuff Socks SS20 - Black - XL}, Black
  • £11.99
  • RRP £14.99
  • Saving you £20

Defeet Aireator D-Logo Double Cuff SocksWith their performance Aireator construction and single block-colour design, the Aireator D-Logo Double Cuff Socks are a stylish and comfortable choice for any cycling adventure. The Aireator D-Logo Double Cuff Socks are part of a long and proud line of Defeet performance cycling socks. And since the first Aireators appeared little has changed, such has been their brilliance. The slim, breathable construction and Aireator mesh weave combine to offer unrivalled airflow and quick-wicking performance. Minimal seams across both toe and heel prevent irritation and a non-sagging cuff keeps them locked in place for crisp tan lines.Finally, you can rest easy as you put them on knowing they’re made from partly recycled fabric (made from plastic bottles no less), so you’ve done your bit in helping the environment at the same time as you ride.Features:Materials: 61% Nylon, 39% Recycled PolyesterThin, breathable constructionNon-sagging cuffQuick-drying Aireator mesh weave on top of the footMinimal heel and toe seamsEco-friendly: Made from recycled water bottlesCare: Machine wash cool. Tumble dry low. No bleach, softeners, or harsh detergentsBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator D-Logo Double Cuff Socks SS20 - White - S}, White
  • £11.99
  • RRP £14.99
  • Saving you £20

Defeet Aireator D-Logo Double Cuff SocksWith their performance Aireator construction and single block-colour design, the Aireator D-Logo Double Cuff Socks are a stylish and comfortable choice for any cycling adventure. The Aireator D-Logo Double Cuff Socks are part of a long and proud line of Defeet performance cycling socks. And since the first Aireators appeared little has changed, such has been their brilliance. The slim, breathable construction and Aireator mesh weave combine to offer unrivalled airflow and quick-wicking performance. Minimal seams across both toe and heel prevent irritation and a non-sagging cuff keeps them locked in place for crisp tan lines.Finally, you can rest easy as you put them on knowing they’re made from partly recycled fabric (made from plastic bottles no less), so you’ve done your bit in helping the environment at the same time as you ride.Features:Materials: 61% Nylon, 39% Recycled PolyesterThin, breathable constructionNon-sagging cuffQuick-drying Aireator mesh weave on top of the footMinimal heel and toe seamsEco-friendly: Made from recycled water bottlesCare: Machine wash cool. Tumble dry low. No bleach, softeners, or harsh detergentsBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator D-Logo Double Cuff Socks SS20 - Black - M}, Black
  • £11.99
  • RRP £14.99
  • Saving you £20

Defeet Aireator D-Logo Double Cuff SocksWith their performance Aireator construction and single block-colour design, the Aireator D-Logo Double Cuff Socks are a stylish and comfortable choice for any cycling adventure. The Aireator D-Logo Double Cuff Socks are part of a long and proud line of Defeet performance cycling socks. And since the first Aireators appeared little has changed, such has been their brilliance. The slim, breathable construction and Aireator mesh weave combine to offer unrivalled airflow and quick-wicking performance. Minimal seams across both toe and heel prevent irritation and a non-sagging cuff keeps them locked in place for crisp tan lines.Finally, you can rest easy as you put them on knowing they’re made from partly recycled fabric (made from plastic bottles no less), so you’ve done your bit in helping the environment at the same time as you ride.Features:Materials: 61% Nylon, 39% Recycled PolyesterThin, breathable constructionNon-sagging cuffQuick-drying Aireator mesh weave on top of the footMinimal heel and toe seamsEco-friendly: Made from recycled water bottlesCare: Machine wash cool. Tumble dry low. No bleach, softeners, or harsh detergentsBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator D-Logo Double Cuff Socks SS20 - Black - S}, Black
  • £11.99
  • RRP £14.99
  • Saving you £20

Defeet Aireator D-Logo Double Cuff SocksWith their performance Aireator construction and single block-colour design, the Aireator D-Logo Double Cuff Socks are a stylish and comfortable choice for any cycling adventure. The Aireator D-Logo Double Cuff Socks are part of a long and proud line of Defeet performance cycling socks. And since the first Aireators appeared little has changed, such has been their brilliance. The slim, breathable construction and Aireator mesh weave combine to offer unrivalled airflow and quick-wicking performance. Minimal seams across both toe and heel prevent irritation and a non-sagging cuff keeps them locked in place for crisp tan lines.Finally, you can rest easy as you put them on knowing they’re made from partly recycled fabric (made from plastic bottles no less), so you’ve done your bit in helping the environment at the same time as you ride.Features:Materials: 61% Nylon, 39% Recycled PolyesterThin, breathable constructionNon-sagging cuffQuick-drying Aireator mesh weave on top of the footMinimal heel and toe seamsEco-friendly: Made from recycled water bottlesCare: Machine wash cool. Tumble dry low. No bleach, softeners, or harsh detergentsBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator D-Logo Double Cuff Socks SS20 - White - XL}, White
  • £11.99
  • RRP £14.99
  • Saving you £20

Defeet Aireator D-Logo Double Cuff SocksWith their performance Aireator construction and single block-colour design, the Aireator D-Logo Double Cuff Socks are a stylish and comfortable choice for any cycling adventure. The Aireator D-Logo Double Cuff Socks are part of a long and proud line of Defeet performance cycling socks. And since the first Aireators appeared little has changed, such has been their brilliance. The slim, breathable construction and Aireator mesh weave combine to offer unrivalled airflow and quick-wicking performance. Minimal seams across both toe and heel prevent irritation and a non-sagging cuff keeps them locked in place for crisp tan lines.Finally, you can rest easy as you put them on knowing they’re made from partly recycled fabric (made from plastic bottles no less), so you’ve done your bit in helping the environment at the same time as you ride.Features:Materials: 61% Nylon, 39% Recycled PolyesterThin, breathable constructionNon-sagging cuffQuick-drying Aireator mesh weave on top of the footMinimal heel and toe seamsEco-friendly: Made from recycled water bottlesCare: Machine wash cool. Tumble dry low. No bleach, softeners, or harsh detergentsBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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USWE Magnetic Tube Clip SS21 - Grey, Grey
  • £11.99
  • RRP £14.99
  • Saving you £20

USWE Magnetic Tube ClipThe Magnetic Tube Clip easily hooks and attaches to the harness of your backpack or the front of your jersey – ensuring that your drinking tube is easy to access.FeaturesKeeps your drink tube in a secure and accessible positionSuper strongEasy to hook and attach to the harness of your backpack or the front of your jerseyBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Bosch E-Bike Drive Unit Sprocket - Black - 15t}, Black
  • £11.99

Bosch E-Bike Drive Unit SprocketAvailable in several different tooth count configurations to choose from, this electric bike (E-bike) chainring is a direct replacement for Bosch Active Line, Performance Line or Performance Line CX drive units. Genuine Bosch spare part.Features: Use: E-bike Compatibility: Bosch Active Line, Performance Line or Performance Line CX drive units Tooth Count: Options available to select separately Size: 42x3/32"Manufacturer's Part Numbers: 1270016202 Black 18T 1270016204 Black 15T 1270016205 Black 20TBuy Bosch Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Bosch E-Bike Drive Unit Sprocket - Black - 20t}, Black
  • £11.99

Bosch E-Bike Drive Unit SprocketAvailable in several different tooth count configurations to choose from, this electric bike (E-bike) chainring is a direct replacement for Bosch Active Line, Performance Line or Performance Line CX drive units. Genuine Bosch spare part.Features: Use: E-bike Compatibility: Bosch Active Line, Performance Line or Performance Line CX drive units Tooth Count: Options available to select separately Size: 42x3/32"Manufacturer's Part Numbers: 1270016202 Black 18T 1270016204 Black 15T 1270016205 Black 20TBuy Bosch Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Bosch E-Bike Drive Unit Sprocket - Black - 18t}, Black
  • £11.99

Bosch E-Bike Drive Unit SprocketAvailable in several different tooth count configurations to choose from, this electric bike (E-bike) chainring is a direct replacement for Bosch Active Line, Performance Line or Performance Line CX drive units. Genuine Bosch spare part.Features: Use: E-bike Compatibility: Bosch Active Line, Performance Line or Performance Line CX drive units Tooth Count: Options available to select separately Size: 42x3/32"Manufacturer's Part Numbers: 1270016202 Black 18T 1270016204 Black 15T 1270016205 Black 20TBuy Bosch Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Camelbak Peak Fitness Chill 750ml Water Bottle SS19 - Black-Silver - 750ml}, Black-Silver
  • £11.99
  • RRP £19.99
  • Saving you £40

Peak Fitness Chill 750ml Water BottleFor summer workouts, the Peak Fitness Chill 750ml Water Bottle keeps liquids cold twice as long as a regular bottle thanks to Camelbak's Double Walled Insulation. As you drink, the high flow rate provides constant liquid delivery and with a leak-proof lock out mode, it won't spill or drip.Features:Insulation keeps water cold twice as longOptimized Hand Fit: Comfortably carry in your handCarry Loop: Quickly grab and goHigh flow, self-sealing Jet Valve™ delivers more water per squeezeLeak-Proof: Lock-out mode prevents leakingCap disassembles for easy cleaningClean Cap: Keeps dirt and germs outDrink Clean: BPA, BPS, and BPF freeTrutasteTM Polypropylene with HydroguardTM: Taste your water and nothing elseBuy Camelbak Bottles from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Clarks Brake Levers - Black - Pair}, Black
  • £11.99

Clarks Brake LeversDie cast alloy bracket and lever. For thumb shift and twist shifter use. Features: Die Cast Alloy construction Compatible with both U & V Brake calipers Flip Flop design Hinged Clamp for easy installation Integrated cable adjusters Buy Clarks Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tacx Deva Bike Bottle Cage - Pink, Pink
  • £11.99
  • RRP £12.99
  • Saving you £8

Tacx Deva Bike Bottle CageThe Deva distinguishes itself due to its optimal clamping. The cylindrical shape of the Deva considerably reduces the chance of the bottle working its way out of the cage and falling, preventing dangerous situations. In combination with the Shiva and Shanti bottles by Tacx, the Deva has optimal clamping, even on poor road surfaces. Yet the cage has also been constructed in such a way that placing the bottle into it is a simple and smooth action. Features: Material: Polyamide reinforced with carbon and glass fibre Optimal clamping ensures safety Easy and quick to use Weight - 29gBuy Tacx Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Bike Cable Lock - Black - Large}, Black
  • £11.99
  • RRP £14.99
  • Saving you £20

LifeLine Bike Cable Lock A heavy duty and robust choice for bicycle security, the LifeLine Cable Lock combines length with strength to keep your bike firmly in its place. A lengthy and weighty option, the flexible steel cable won't be broken easily, giving you peace of mind when leaving your ride unattended. Solid, Secure Protection Security and protection are the fundamentals of this lock, which comes complete with a bracket and protective anti-dust cover to keep the cylinder safe from the elements and your framework scratch free. Available in two sizes, the LifeLine Cable Lock is an excellent solid and versatile bit of kit. Features: Material: Steel Accessories: Anti-Dust Cover, Bracket, Keys x 2 Size: Small -15 mm x 12000m, Large -12 mm x 1800 mm Weight: Small - 600 g, Large - 550 g Buy LifeLine accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lifesystems Pocket First Aid Kit - Red, Red
  • £11.99

Lifesystems Pocket First Aid KitThe perfect size for family outings, weekend rambles and low level trekking the Lifesystems Pocket First Aid Kit has everythign eneded to deal with minor injuries, cuts and scrapes. With a loop on the back it's simple to carry it on your belt or attached to a rucksack where it's easily accessible in case of emergency.Features:Kit Contains:Primary care leafletSmall low-adherent dressingWoven bandageSmall crepe bandageFabric plastersScissors & safety pinsMicropore tape & gauze swabsAntiseptic creamAntiseptic wipesTweezersPack Specification:150D, PU coated ripstop fabricBelt-loop attachmentWaterproof zipEasy accessDetailsContents: 23 ItemsDimensions: 125 x 80 x 45 mmWeight: 180gBuy Lifesystems Products from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.

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Chain Reaction Cycles Logo Bike Wheel Bag - Black, Black
  • £11.99
  • RRP £24.99
  • Saving you £52

Chain Reaction Cycles Logo Bike Wheel BagThe Chain Reaction Cycles Logo Wheel Bag have been manufactured from the same heavy duty material as the bike bag. These can be used independently with the included shoulder straps or stowed inside the main compartment.The interior of the wheelbags feature a separate compartment for storing QR axle's, 2 heavy duty PVC discs have also been placed in the centre of the bags to eliminate any chance of axle's/wheel nuts piercing the exterior of the bag.Features: Separate compartment for QR's and axles Heavy duty PVC discs High quality shoulder strapsBuy Chain Reaction Cycles Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Macro Splash Cork Bar Tape - Red - Black, Red - Black
  • £11.99
  • RRP £13.99
  • Saving you £14

Cinelli Macro Splash Cork Bar TapeMade from a soft, natural cork material and backed up with a vibration-dampening polyurethane base, the Macro Splash bar tape will increase the comfort of your drop bar bike and give it a very distinctive look. With enough length to suit all drop bar sizes and shapes, it comes with matching Cinelli bar end plugs to complete the look.Features: Material: High content, natural cork in a polyurethane base Single or Pair: Pair, enough length for all drop bar sizes Gel or Tape: Tape Bar End Plugs Included: Yes, Includes 2x logo plugs Finishing Strips Included: Yes Inside central adhesive strip for easy mounting Cinelli logo embossed throughout tape length Two colour combinationBuy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator 6" Splatter Socks AW19 - Graphite-Multi - L}, Graphite-Multi
  • £11.99
  • RRP £14.99
  • Saving you £20

Defeet Aireator 6’’ Splatter SocksSetting the tone for cycling socks the original Aireator sock was created in 1922 and with consistent upgrading they remain the gold standard of cycling socks. Constructed from DeFeets Aireator, specialised, meshing provides superior breathability and comfort and was the first of its kind to incorporate this type of meshing. Also, eco-friendly the socks are now made from recycled water bottles created in North Carolina in the USA. The socks aren’t just suitable for cyclists but are also great for hikers and runners.FeaturesThe original DeFeet sock, the Aireator, has been consistently upgraded and remains the gold standard of cycling socksAffordable and incredibly durableThe most popular cycling sock the world has ever knownDeFeet Aireator mesh for superior breathability and comfortThe first sock to incorporate this type of open-mesh constructionEco-friendly: Made from recycled water bottles in North Carolina, USAMachine washable, on coldTumble dryable, on lowGreat for running, hiking and cyclingBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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