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

Fiction Atlas HP BMX Tyre - Black - 20", Black
  • £9.99
  • RRP £22.99
  • Saving you £57

Fiction Atlas HP BMX TyreThe Fiction Atlas HP is a directional tyre, which has a low-profile tread design and can be inflated to high pressures, making it an excellent option for riders who ride fast and hard. The tread pattern features long centre lugs that offer exceptionally fast rolling speed, while the micro knurling across the surface provides extra traction making them perfect for street & park use. The durable tread pattern wraps around the entire surface of the tyre to protect the sidewall when grinding and provides additional traction when performing sharp turns and tricky manoeuvres. Riders who have a riding style that demands a lot of confidence in grip will find this tyre especially useful.Features: Inflated Width: 59mm (2.3"), 61mm (2.4") Inflated Diameter: 526mm (2.3”), 531mm (2.4”) Max Pressure: 80-110 PSI Weight: 635g (2.3”), 663g (2.4”) Buy Fiction Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Solum 260 Chain Tensioner Kit - Silver, Silver
  • £9.99
  • RRP £14.99
  • Saving you £33

Nukeproof Solum 260 Chain Tensioner KitThis chain tensioner kit is needed to maintain the correct alignment of the rear hubs and chain tension in the Nukeproof Solum frame's single-speed horizonal drop-outs. Featuring a pair for drive and non-drive side, these tensioners are specifically produced for the Nukeproof Solum and are not cross-compatible with other models and brands. Genuine Nukeproof spare parts.Features: Solum frame specific design 10mm axle Pair for drive and non-drive sideBuy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Enduro ABEC5 V2 MTB Hub Bearing (6902) - Silver - 6902}, Silver
  • £9.99
  • RRP £12.99
  • Saving you £23

Nukeproof Enduro 6902 ABEC5 V2 Hub Bearing This bearing is specifically designed for use with the Nukeproof Horizon and Neutron V2 range of wheels. It features a hard-wearing, high carbon chromium alloy race with graphic/nylon ball retainers. This makes it incredibly durable and more than capable of handling all the intensity that comes with shredding the mountain bike trails. This superb bearing sets the benchmark for high precision bearings. ABEC-5 LinePart of an updated ABEC-5 line of wheel hub bearings, this 6902 bearing is the revised LLU/LLB dual seal model. The ABEC-5 Dual Seal bearing places a LLU full contact seal on the outside facing surface of the bearing, while the Inboard facing LLB medium contact seal offers less drag. Its specific seal increases the lifespan of the bearing and offers excellent performance. High precision balls are within 5/1,000,000″ round. This is military level specification, used for precision equipment. R-64 hardness, of the highest grade. This bearing will also fit many other hubs that use this size of bearing.This superb bearing sets the benchmark for high precision bearings.Features: Material: High Carbon Chromium Alloy Races with Graphite/Nylon Ball Retainers Bearing Code: 6902 Dimensions: 15x28x7mm ABEC: 5 Grade: 10 Seals: LLU/LLB Grease: Mobil XHP 222 Nukeproof Part Number: NUKHORV2B6902 Approx Weight: 15.1gBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Aero Beam Rear Bike Light - 50L}
  • £9.99
  • RRP £14.99
  • Saving you £33

LifeLine Aero Beam Rear Bike LightStay safe and be seen with LifeLine's Aero Beam 50 Lumen Rear Light. Ideal for commuting and training in low light conditions. This rear light has a 50 lumen output from 16 COB red LEDs. The Aero Beam 50 Lumen Rear Light lets you choose from five modes to suit your environment and battery life.Versatile Rear Light, USB Rechargeable This rear light is USB rechargeable to let you charge on the go; the strong silicone strap lets you mount LifeLine's Aero Beam 50 Lumen Rear Light to any seatpost profile or any diameter. Also water resistant, this 50 lumen rear light will give you peace of mind to pedal in all conditions.Features:Output: 50 LumenDimensions (mm): 79.5x29x30Charging: 2-3hrsLED: 16 COB redFive Modes:High Beam: 1.5hrsLow Beam: 6hrsFast Flash: 24hrsSlow Flash: 27hrsPulse: 6hrsAccessories: USB charging cableBattery: Rechargeable Lithium-Ion polymerStrong silicone strap mounts to any seatpost profile or diameterLow battery and full battery indicatorsRear and side visibilityWater resistantWeight: 31gBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tifosi HG 11 Speed Cassette - Silver - 11-25t}, Silver
  • £9.99
  • RRP £49.99
  • Saving you £80

Tifosi HG 11 Speed CassetteThis 11 speed cassette features a hard-wearing steel build, which makes it more than capable of handling the intensity that's associated with long days in the saddle. Tifosi has also ensured that this model is compatible with Shimano or SRAM drivetrain systems for easy integration with your existing setup. Whether you're clocking up the miles with your local road club, spending the weekend on a gravel adventure or shredding your favourite MTB trails, this 11 speed cassette is engineered for performance. One final highlight is it comes complete with a lockring included.Available in a wide range of ratios, the Tifosi HG 11 Speed Cassette means there is something for every rider whether you require a road, gravel or MTB cassette.Features: Material: Steel Finish: Silver Use: Road, Gravel or MTB (depending on the selected ratio) Speed: 11 speed Compatibility: Shimano or SRAM Systems Lockring Included: Yes Weight: 11/32T: 310g, 11/34T: 405g, 11/42T: 540g and 11/46T: 560gManufacturer's Part Numbers: TIF711A Silver 11-32T TIF711B Silver 11-34T TIF711E Silver 11-42T TIF711G Silver 11-46TBuy Tifosi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tifosi HG 11 Speed Cassette - Silver - 11-28t}, Silver
  • £9.99
  • RRP £54.99
  • Saving you £82

Tifosi HG 11 Speed CassetteThis 11 speed cassette features a hard-wearing steel build, which makes it more than capable of handling the intensity that's associated with long days in the saddle. Tifosi has also ensured that this model is compatible with Shimano or SRAM drivetrain systems for easy integration with your existing setup. Whether you're clocking up the miles with your local road club, spending the weekend on a gravel adventure or shredding your favourite MTB trails, this 11 speed cassette is engineered for performance. One final highlight is it comes complete with a lockring included.Available in a wide range of ratios, the Tifosi HG 11 Speed Cassette means there is something for every rider whether you require a road, gravel or MTB cassette.Features: Material: Steel Finish: Silver Use: Road, Gravel or MTB (depending on the selected ratio) Speed: 11 speed Compatibility: Shimano or SRAM Systems Lockring Included: Yes Weight: 11/32T: 310g, 11/34T: 405g, 11/42T: 540g and 11/46T: 560gManufacturer's Part Numbers: TIF711A Silver 11-32T TIF711B Silver 11-34T TIF711E Silver 11-42T TIF711G Silver 11-46TBuy Tifosi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Scout 2022 Chainstay Protector - Black, Black
  • £9.99

Nukeproof Scout 2022 Chainstay Protector The Scout 2022 Chainstay Protector from Nukeproof protects your bikes chainstay against chain and rock strikes, for a quieter, cleaner and tidier-looking bike.For top-grade defence against bumps, scratches and dents on your framework, Nukeproof's Scout 2022 Chainstay Protector will ensure your chainstays stay clean, nick-free and quieter on every ride.High Quality and Protective Chainstay CoversDesigned to fit both 27.5" and 29" 2022 Scout models, these original Nukeproof covers offer great protection from their durable moulded silicone construction. Attaching to your chainstays via the 3M adhesive backing, the Scout 2022 Chainstay Protector is the ideal barrier against bangs, dings and dirt.Features: Material: Moulded Silicone with 3M adhesive backing Compatibility: Scout 275 / 290 2022 Part Number: VLF-C-1361 NP-SCT-22Buy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Horizon Plastic Sideload Bottle Cage - Black, Black
  • £9.99

Nukeproof Horizon Plastic Sideload Bottle CageFeaturing a universal design, this bottle cage allows for bottle access from both the left and the right side. Thanks to its side loading design, it offers more room for bikes with a bottle position close to a top tube, shock or linkages. The cage will fit all Nukeproof model bikes and it is also universal to other brands.Sideloading Bottle CageThe removable mounting tab can be placed at either end of the cage and the cage can then be flipped to allow for access left or right. This gives more fitting options to suit more bikes and your preference.Durable and Impact ResistantProduced from a durable plastic polyamide, this model is resistant to impacts and delivers a secure fit thanks to its high friction finish. It can be used with a range of bottle sizes but is optimised to match 550ml bottles.Features: Material: Plastic Polyamide Finish: High Friction Finish Use: Mountain Bike (MTB), Gravel and Road Type: Universal design Loading: Left or right loading Hardware: 2x fitting bolts included DurableBuy Nukeproof Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Combination Bike Cable Lock - Black - Small}, Black
  • £9.99

LifeLine Combination Bike Cable Lock A lengthy, flexible steel cable that offers hard-wearing and heavy-duty security despite being fairly lightweight, the LifeLine Cable Combination Lock will give complete peace of mind in its locking capabilities. Complete with a classic-look 4-digit combination roller for unique extra-layer security, it will deter the most opportunist of bike thieves. Versatile and Durable Security Measuring at 1.2 metres long, the LifeLine Cable Combination Lock offers more cable to loop and lock to secure your bike in place, while the resettable combination locking cylinder itself joins each end together for a steadfast and sturdy connection. A fantastic choice for the safety conscious rider. Features: Material: Steel Size: S: 10mm x 120cm; L: 12mm x 180cmWeight: S: 310g; L: 535g Buy LifeLine accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Extension Loop Bike Cable Lock - Black - Large}, Black
  • £9.99

LifeLine Extension Loop Bike Cable Lock A fantastic bit of additional kit to give back up to your main bike-lock system, the LifeLine Bike Lock Extension Loop Cable offers an extra level of protection when storing your bike out of sight or for storing your quick-release components or accessories. Secondary Theft Deterrent Constructed of flexible steel for a strong and durable hold, the LifeLine Bike Lock Extension Loop Cable works great in conjunction with LifeLine's range of Steel D-Locks. The cable gives added peace of mind when holding your bike steadfast in the face of would-be thieves or opportunists, making your locking system as safe as you possibly can. Features: Material: Steel Size: Small - 10 mm x 1200 mm, Large - 10 mm x 2134 mm Weight: Small - 240 g, Large - 360 g Buy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Zip Up Tool Stash - Black, Black
  • £9.99

LifeLine Zip Up Tool StashThe Lifeline Zip Up Tool Stash is a bottle cage mounted semi-hard case that neatly stores your spare tube, levers, CO2 cartridge, and other ride essentials inside a regular size bottle cage. With a neat and sleek design, this Zip Up Tool Stash also features an internal mesh that keeps your essentials in place.Features:  Dimensions (LxW): 18x7cm  Durable  Zipped closureFits a regular bottle cageBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Anodised Bar End Plugs - Caleido, Caleido
  • £9.99

Cinelli Anodised End PlugsThese high-quality end plugs are engineered for gravel use as they deliver a vibration proof design and outstanding strength. They feature a rock-solid aluminium anodised construction which makes it perfect at handling all the abuse from longer rides across unpredictable terrain conditions. Features: Material: Aluminium Finish: Anodised Use: Road, gravelBuy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Anodised Bar End Plugs - Red, Red
  • £9.99

Cinelli Anodised End PlugsThese high-quality end plugs are engineered for gravel use as they deliver a vibration proof design and outstanding strength. They feature a rock-solid aluminium anodised construction which makes it perfect at handling all the abuse from longer rides across unpredictable terrain conditions. Features: Material: Aluminium Finish: Anodised Use: Road, gravelBuy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Short Sleeve Seamless Base Layer - Black - L}, Black
  • £9.99
  • RRP £30.00
  • Saving you £67

dhb Short Sleeve Seamless Base LayerThe dhb Short Sleeve Seamless base Layer is a versatile option for any type of weather and conditions. The seamless construction and high level of stretch enhances comfort while the high wicking action keep you dry and fresh as you train.Knitted zones increase stretch, venting and accelerated wicking just where you need it most drawing moisture away from the skin rapidly so as to maintain a stable temperature and prevent wind-chill. The elimination of seams around the body and the high stretch fabric allows the base layer to fit closely and comfortably, reducing friction and chaffing when training.Features:Materials: 96% Polyamide(Nylon), 4% Elastane(Spandex)Versatile and high-performance seamless base layerMinimal seams and high level of stretch provide enhanced comfort, fit and freedom of movementFunctional knit zones provide wicking, venting and increased stretchHigh-level moisture management keeps you dry and freshSuitable for all seasons and weather conditionsBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Short Sleeve Seamless Base Layer - White - L}, White
  • £9.99
  • RRP £30.00
  • Saving you £67

dhb Short Sleeve Seamless Base LayerThe dhb Short Sleeve Seamless base Layer is a versatile option for any type of weather and conditions. The seamless construction and high level of stretch enhances comfort while the high wicking action keep you dry and fresh as you train.Knitted zones increase stretch, venting and accelerated wicking just where you need it most drawing moisture away from the skin rapidly so as to maintain a stable temperature and prevent wind-chill. The elimination of seams around the body and the high stretch fabric allows the base layer to fit closely and comfortably, reducing friction and chaffing when training.Features:Materials: 96% Polyamide(Nylon), 4% Elastane(Spandex)Versatile and high-performance seamless base layerMinimal seams and high level of stretch provide enhanced comfort, fit and freedom of movementFunctional knit zones provide wicking, venting and increased stretchHigh-level moisture management keeps you dry and freshSuitable for all seasons and weather conditionsBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Short Sleeve Seamless Base Layer - Black - XL}, Black
  • £9.99
  • RRP £30.00
  • Saving you £67

dhb Short Sleeve Seamless Base LayerThe dhb Short Sleeve Seamless base Layer is a versatile option for any type of weather and conditions. The seamless construction and high level of stretch enhances comfort while the high wicking action keep you dry and fresh as you train.Knitted zones increase stretch, venting and accelerated wicking just where you need it most drawing moisture away from the skin rapidly so as to maintain a stable temperature and prevent wind-chill. The elimination of seams around the body and the high stretch fabric allows the base layer to fit closely and comfortably, reducing friction and chaffing when training.Features:Materials: 96% Polyamide(Nylon), 4% Elastane(Spandex)Versatile and high-performance seamless base layerMinimal seams and high level of stretch provide enhanced comfort, fit and freedom of movementFunctional knit zones provide wicking, venting and increased stretchHigh-level moisture management keeps you dry and freshSuitable for all seasons and weather conditionsBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Short Sleeve Seamless Base Layer - White - M}, White
  • £9.99
  • RRP £30.00
  • Saving you £67

dhb Short Sleeve Seamless Base LayerThe dhb Short Sleeve Seamless base Layer is a versatile option for any type of weather and conditions. The seamless construction and high level of stretch enhances comfort while the high wicking action keep you dry and fresh as you train.Knitted zones increase stretch, venting and accelerated wicking just where you need it most drawing moisture away from the skin rapidly so as to maintain a stable temperature and prevent wind-chill. The elimination of seams around the body and the high stretch fabric allows the base layer to fit closely and comfortably, reducing friction and chaffing when training.Features:Materials: 96% Polyamide(Nylon), 4% Elastane(Spandex)Versatile and high-performance seamless base layerMinimal seams and high level of stretch provide enhanced comfort, fit and freedom of movementFunctional knit zones provide wicking, venting and increased stretchHigh-level moisture management keeps you dry and freshSuitable for all seasons and weather conditionsBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Short Sleeve Seamless Base Layer - Black - M}, Black
  • £9.99
  • RRP £30.00
  • Saving you £67

dhb Short Sleeve Seamless Base LayerThe dhb Short Sleeve Seamless base Layer is a versatile option for any type of weather and conditions. The seamless construction and high level of stretch enhances comfort while the high wicking action keep you dry and fresh as you train.Knitted zones increase stretch, venting and accelerated wicking just where you need it most drawing moisture away from the skin rapidly so as to maintain a stable temperature and prevent wind-chill. The elimination of seams around the body and the high stretch fabric allows the base layer to fit closely and comfortably, reducing friction and chaffing when training.Features:Materials: 96% Polyamide(Nylon), 4% Elastane(Spandex)Versatile and high-performance seamless base layerMinimal seams and high level of stretch provide enhanced comfort, fit and freedom of movementFunctional knit zones provide wicking, venting and increased stretchHigh-level moisture management keeps you dry and freshSuitable for all seasons and weather conditionsBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Short Sleeve Seamless Base Layer - White - XL}, White
  • £9.99
  • RRP £30.00
  • Saving you £67

dhb Short Sleeve Seamless Base LayerThe dhb Short Sleeve Seamless base Layer is a versatile option for any type of weather and conditions. The seamless construction and high level of stretch enhances comfort while the high wicking action keep you dry and fresh as you train.Knitted zones increase stretch, venting and accelerated wicking just where you need it most drawing moisture away from the skin rapidly so as to maintain a stable temperature and prevent wind-chill. The elimination of seams around the body and the high stretch fabric allows the base layer to fit closely and comfortably, reducing friction and chaffing when training.Features:Materials: 96% Polyamide(Nylon), 4% Elastane(Spandex)Versatile and high-performance seamless base layerMinimal seams and high level of stretch provide enhanced comfort, fit and freedom of movementFunctional knit zones provide wicking, venting and increased stretchHigh-level moisture management keeps you dry and freshSuitable for all seasons and weather conditionsBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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7 iDP M5 Helmet 2020 - Blue - S/M}, Blue
  • £9.99
  • RRP £49.99
  • Saving you £80

7iDP M5 HelmetAn entry-level mountain bike trail helmet that's packed with protection, the 7iDP M5 Helmet gives excellent all-around coverage, all-day comfort and breezy ventilation. Meeting CE standards for protection, the M5 Helmet ensures you have the head protection you need to ride MTB trails with confidence. The dropped rear provides extra across the back of the head - after all, you never know which way you might fall when taking on tricky trails. With a quick and simple dial adjustment, you can get the perfect fit every time you hop on your bike. With 14 vents you'll also enjoy excellent levels of airflow, keeping you cool as you push your mountain bike riding limits. Features:Deep rear head coverage14 ventsCustom 7iDP visorOne hand dial adjust fitRapid adjust chin strapComplies to CE standardsEntry-level helmetBuy 7iDP Protection from Chain Reaction Cycles, the World's Largest Online Bike Store.

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