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

Michelin Dynamic Sport Road Bike Tyre - Black - Red - Wire Bead, Black - Red
  • £16.99
  • RRP £19.99
  • Saving you £15

Michelin Dynamic Sport Road Bike TyreA tough and reliable road bike tyre for everyday use, the Dynamic Sport model gives you the grip and durability you need for high mileage use. If you’re looking for a budget-friendly road tyre for commuting or training, this is an ideal option for those who ride regularly and for longer rides.Reasons to Buy: Tough and reliable. Suitable for everyday road bike use. Fantastic grip and durability. Affordable.Features: Tyre Type: Clincher Bead Type: Folding Casing: 3x30 tpi Diameter: 622 Min-Max Pressure (bar): 6.0-8.0, 5.0-7.0, 4.0-6.0 Recommended Inner Tube: A1 or A2 Tubeless Compatible: No Weight: 23c: 290g; 25c: 315g; 28c: 340gBuy Michelin Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Topeak Tri-Backup Tube Bag - Black, Black
  • £16.99
  • RRP £19.99
  • Saving you £15

Topeak Tri-Backup Tube BagThe Topeak Tri-BackUp Tube Bag provides protection for spare inner tubes, which are worn down by exposure to harmful ultraviolet rays and adverse weather. It is designed  to comfortably hold tubes up to 700 x 25c in size and will seamlessly integrate with the Tri-BackUp Pro I & V saddles.Features:  Works seamlessly with Topeak TRI-BackUP Pro V / Pro I Saddle rails  Material: 420D Nylon  Dimensions: 12.2 x 6.8 x 4.4cm  Inner Tube Compatibility: Up to 700 x 25cBuy Topeak Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Topeak Bar X-Tender Handlebar Accessory Mount - Black - Fits Most Bars}, Black
  • £16.99
  • RRP £18.99
  • Saving you £11

Topeak Bar X-Tender Gain more room or find the perfect position for lights, computers, MP3 GPS, whatever with the BarXtender. Attaches securely to the handlebars or stem and adjusts for optimum positioning. Topeak Bar X-Tender Features: Material: Engineering Grade Plastic and Steel Mount: Handlebar, Handlebar Stem Size: L x W x H 18 x 3 x 3cm (folded) 13 x 10 x 3cm (open) Weight: 116g Clamp: Fits Ø22~38mm BuyTopeak Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brooks England Femto Front Bike Light - Copper, Copper
  • £16.99

Brooks England Femto Front Bike LightThe Femto Front Light features a stylish copper-coloured anodised body and a highly visible white LED front light that can be quickly attached to your bike's handlebars with a simple rubber band and clip. Ideal for inner-city cycling in low light conditions, it's bright and vibrant while also easy to remove carry in your pocket when not with your bike.Compact, Stylish and Bright Front Cycle LightThe Femto Front Light is a distinctive copper-coloured white LED front bicycle light that's bright enough to ensure you remain visible to other road users after dark. It's held securely in place using a simple rubber band and clip that won't damage painted or polished surfaces and it is easily removed to prevent theft. Plus, it's small enough to stow in your pocket as you move to and from your bike. It features multiple lighting modes: choose between constant illumination or four different flashing modes. Finally, it has an anodised body with laser etched Brooks logo and comes supplied with 2 x CR2032 batteries. Features: Body Material: Anodised Output: 15 lumens Copper-coloured white LED front bicycle light Constant illumination or four different flashing modes 2x CR2032 batteries includedBuy Brooks England Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brooks England Femto Rear Bike Light - Copper, Copper
  • £16.99

Brooks England Femto Rear Bike LightThe Femto Rear Bike Light features a stylish copper-coloured anodised body and a highly visible red LED rear light that can be quickly attached to your bike's seatpost or frame with a simple rubber band and clip. Ideal for inner-city cycling in low light conditions, it's bright and vibrant while also easy to remove carry in your pocket when not with your bike.Stylish and Low-Profile Rear Cycle LightThe Femto Rear Light is a distinctive copper-coloured red LED rear bicycle light that's bright enough to ensure you remain visible to other road users after dark. It's held securely in place using a simple rubber band and clip that won't damage painted or polished surfaces and it is easily removed to prevent theft. Plus, it's small enough to stow in your pocket as you move to and from your bike. It features multiple lighting modes: choose between constant illumination or four different flashing modes. Finally, it has an anodised body with laser etched Brooks logo and comes supplied with 2 x CR2032 batteries. Features: Body Material: Anodised Copper-coloured white LED front bicycle light Constant illumination or four different flashing modes Output: 7 lumens 2 CR2032 batteries includedBuy Brooks England Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Spank SPIKE 30 Mountain Bike Handlebar Grips - Blue - 145mm}, Blue
  • £16.99
  • RRP £19.99
  • Saving you £15

Spank SPIKE 30 Mountain Bike Handlebar GripsWith a length of 145mm and packed with comfort features, the Spank Spike Grip are the ideal choice for those who regularly take on day long trail sessions. They boast a reinforced polymer base that features cut outs to reduce impulse shocks and dampen the vibrations of the roughest trails. Ergonomic ShapeThe Spike grips feature tacky rubber with a smooth thumb zone, alloy locking clamps and reinforced impact bar ends. These ends are ergonomically shaped to protect the small finger from catching branches and trees. With all these features, you’ll be able to attack those descents harder than ever. Features:  Material: Reinforced polymer base, tacky rubber, alloy clamp  Length: 145mm    Diameter: 30mm    Weight: 115g pairBuy Spank Components from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.

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Spank SPIKE 30 Mountain Bike Handlebar Grips - Red - 145mm}, Red
  • £16.99
  • RRP £19.99
  • Saving you £15

Spank SPIKE 30 Mountain Bike Handlebar GripsWith a length of 145mm and packed with comfort features, the Spank Spike Grip are the ideal choice for those who regularly take on day long trail sessions. They boast a reinforced polymer base that features cut outs to reduce impulse shocks and dampen the vibrations of the roughest trails. Ergonomic ShapeThe Spike grips feature tacky rubber with a smooth thumb zone, alloy locking clamps and reinforced impact bar ends. These ends are ergonomically shaped to protect the small finger from catching branches and trees. With all these features, you’ll be able to attack those descents harder than ever. Features:  Material: Reinforced polymer base, tacky rubber, alloy clamp  Length: 145mm    Diameter: 30mm    Weight: 115g pairBuy Spank Components from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.

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SKS S-Blade Fixed Rear Mudguard Set - Black, Black
  • £16.99
  • RRP £19.99
  • Saving you £15

SKS S-Blade Fixed Rear Mudguard SetSKS is one of the leading manufacturers of quality accessories for the international competitive cycling segment.Features:       A sleek, minimalist, lightweight rear fender designed specifically for road bikes with 20-25C tyres.     Adjustable quick release fabric strap can be tailored to fit any seatpost size.     Adjustable angle for optimum coverage.     Direct fitment to the seatpost for maximum stability though a single contact point, saving the rest of the bike from signs of wear and rubbing.     Dramatically reduces road spray from the rear wheel whilst being quick and easy to install.     Weight: 106 grams Buy SKS Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SKS S-Board Front Mudguard - Black, Black
  • £16.99
  • RRP £19.99
  • Saving you £15

SKS S-Board Front MudguardProtect your bike when tackling the toughest trails with the S-Board Front Mudguard from SKS. Ideal for road or cyclocross cycling, it clips onto your bike for easy assembly. Suitable for use with disc brakes and aero forks it also features an adhesive kit to keep your frame unharmed. Features:Clip-on fitmentAdjustable angleUse: Road, Cyclocross, Commuter, TouringMaterial: PlasticFork Compatibility: Fits aero forksTyre Size: Fits tyres up to 38mm wideWheel Size: 27.5", 28"Weight: 89gBuy SKS from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Flow Caddy Cage Storage with Organiser - Black, Black
  • £16.99

Lezyne Flow Caddy Cage Storage with OrganiserThe Lezyne Flow Caddy Cage is a lightweight and durable storage option that fits to standard bottle cages. It's ideal for storing journey essentials for road or trail-side repair and features a water-resistant threaded lid to help protect your tools.Features: Dimensions: 73 x 73 x 135mm Volume: 0.7L Weight: 60gBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Micro Caddy Saddle Bag (Small) - Black - S}, Black
  • £16.99
  • RRP £23.99
  • Saving you £29

Lezyne Micro Caddy Saddle Bag - Small The Lezyne Micro Caddy is a compact, aero shaped Caddy that tucks close under the saddle attaching to the rails with a wide Velcro and nylon band for a secure and vibration free connection without the need of a post strap.The labeled cycling-specific organizational pockets keep all accessories in place. It is made of durable woven nylon fabrics, a water resistant zipper, and reflective logo and stripes that aid rider visibility. An easily accessible, external multi-tool compartment allows for quick adjustments. Features: Weight: 80g Dimensions: 140x55x55mm Cargo: 13.7in³ | 0.23L Buy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Rap II 8 Multi Tool - Black, Black
  • £16.99

Lezyne Rap II 8 Multi ToolDurability, convenience and style at an affordable price, the Lezyne Rap II 8 provides commonly used tools to solve most road and trail-side mechanicals. Engineered to the highest-quality for reliable performance and a long lifespan, this 8-function multi-tool features aluminium side plates and Black Anti-Corrosion coated steel tools. This gives you a lightweight and ultra-reliable multitool that's an essential journey companion for any ride.Ideal for All Modern Bicycles for Road and Off-Road UseThe ergonomic side-plates are machined from lightweight aluminium, anodized black and offer a custom magnetic holder for an emergency quick-link. The steel tool bits are now longer and introduce our Black Anti-Corrosion technology, which provides superior corrosion resistance. There are seven available configurations featuring up-to-date options for all modern bicycles; including gravel bikes, mountain bikes, e-bikes and road bikes. Compact and versatile, these mini tools are built to last and designed to efficiently get riders back on the road or trail.Features: Material: Side Plates: Aluminium; Tools: Steel with Black Anti-Corrosion Technology Ideal Use: Gravel, Road, MTB and E-Bikes Hex Bits: 2.5/3/4/5/6mm TORX Tools: T10/T25 Screwdriver: Phillips Weight: 92gBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Sabre Bike Tyre Lever and Pedal Wrench - Silver, Silver
  • £16.99
  • RRP £19.99
  • Saving you £15

Lezyne Sabre Lever/Tyre Cro-Mo Wrench Versatile tool serves as a heavy-duty tyre lever, 15mm pedal wrench, and bottle opener. CNC-machined and heat treated chromoly steel for a durable shop-quality tool portable enough for the trail. 165mm length provides added leverage ideal for tough tyre beads and on pedals. Sold as a pair.Features: Weight: 64g Size: 165mm CNC Machined Buy Lezyne Wrench Tool from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM DH Silicone Locking MTB Handlebar Grips - White - 139mm}, White
  • £16.99
  • RRP £26.00
  • Saving you £35

SRAM DH Silicone Locking MTB Handlebar GripsSRAM's DH Silicone Locking Grips have a tough and durable silicone compound that offers reliable grip no matter how rough the terrain gets. They include lockrings for either end that hold them securely in place and thumb donuts (flanges) to prevent your hand slipping inwards.Features: Material: High grip Silicone 4x lightweight Aluminium lockrings 2x lightweight Plastic end plugs with “S” logo detailing Thumb donut (flange) Length: 139mmBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM X-SYNC Chain Ring for Bosch Motor - Black - 16t}, Black
  • £16.99
  • RRP £19.00
  • Saving you £11

SRAM X-SYNC Chain Ring for Bosch MotorDesigned with the needs of electric bike (E-bike) riders in mind, this SRAM chainring for Bosch motors incorporates the same secure X-SYNC chain management technology found in every SRAM 1x drivetrain. Benefitting from a robust steel construction, it's engineered specifically for handling the extra torque, speed and power that's produced by electric bike motors.Features: Chainring Material: Steel Use: Electric Mountain Bikes (E-MTB) and Electric Road Bikes Compatibility: For Bosch motors Bolt Circle Diameter (BCD): Direct Mount (DM) Tooth Count: 16T Please Note: Chainring bolts are not includedTechnologies: Compatible with Bosch Gen 4 motor driven E-MTB and E-Road bikes. An integral component of the SRAM 1x drivetrain. X-SYNC tall, square tooth design provides maximum chain control. Sharp, narrow tooth profile and rounded chamfer edges help manage a deflected chain.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cane Creek Crudbuster Neoprene Seatpost Cover - Black - LT Version}, Black
  • £16.99

Cane Creek Crudbuster Neoprene Cover Fits snugly over the parallelogram, securing with velcro to protect the suspension mechanism in foul weather, and to prolong performance. The Crudbuster is a great way to preserve and prolong the Thudbuster suspension performance over time, particularly in foul conditions.Features:Velcro secure strapBuy Cane Creek Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Kryptonite KryptoFlex Bike Lock Cable - Black - 10mm x 2130mm, Black
  • £16.99
  • RRP £21.99
  • Saving you £23

Kryptonite KryptoFlex Bike Lock CableTough, 10mm thick, and made from braided steel, the KryptoFlex lock cable from Kryptonite has ample length for wrapping around lots of solid objects. Ideal for extra bike security, it’s cut-resistant and designed to be combined with your Kryptonite U-Lock or Disc Lock.Extra Bike SecurityCables are recommended as a secondary deterrent, or for additional protection of quick-release components and accessories. They perfect for use with quick-release components and accessories or as a secondary theft deterrent.Features: Cable Thickness: 10mm Cable Material: Braided Steel Protective vinyl cover Perfect for quick release seat and seatpost component lock-up Braided steel cable has greater core density than twisted cables providing increased cut resistance Double looped cable for use with all Kryptonite U-Locks, Disc Locks and Padlocks Limited Lifetime Warranty Please Note: This is a bike lock extension cable only, it does not come with a lockEuropean Testing Agencies In Europe, independent testing agencies put locks through their paces to see how secure they are, or in some cases are not. Kryptonite holds more than 45 approvals at Sold Secure (UK), ART (NL), VdS (DE), N.F. (FRA), Classe SRA (FRA), SSF (Sweden) and VAREFAKTA (Den). These agencies attacked products with every bit of malice the testers could throw at them and they still held up.Buy Kryptonite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB TCS Tubeless Presta Valve (Pair) - Black - 46mm}, Black
  • £16.99
  • RRP £24.99
  • Saving you £32

WTB TCS Tubeless Presta Valve (Pair)Brighten up your tyres with this pair of TCS Presta Vales. Featuring a steeped lock nut to ensure compatibility with a variety of drillings and a smooth interface and removable core so setting beads is easy.  Features:PrestaSold in packs of 2.Use: Road, commuter, touring Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB Slick Comp Bike Tyre - Black - Wire Bead, Black
  • £16.99
  • RRP £29.99
  • Saving you £43

WTB Slick Comp Bike TyreThe fast-rolling Slick Comp Bike Tyre is a great all-rounder and performs reliably in all types of weather and all year-round. The tread features a smooth middle area, giving you low rolling resistance and efficient traction for braking and cornering ability you can rely on. Plus, the durable casing and WTB's Distance compound combine to improve this tyre's longevity, meaning you'll be able to cover many, many miles before you'll need to consider replacing it.Features:Tyre Type: ClincherCompound: DistanceBead Type: WireCasing: 30 TPISize: 29x2.2"Recommended Pressure: 30-45 PSITubeless Compatible: NoUse: UrbanSmooth centerline minimises rolling resistanceOuter grooves provide cornering traction and water evacuationIdeal for those who commute year-round, regardless of the weatherWeight: 979gTechnologies:Durable Casing: A robust and substantial casing provides the strength needed for our wire bead tyres to last. A high ratio of rubber to thread protects against trail threats and urban unpleasantries. Found in all Comp level tyresComp Tyres: Cost-effective tyres that feature grippy DNA rubber, durable impervious casings, and wire beads designed for use with a tubeDistance Compound: Found in WTB’s pavement tyres, this compound is specifically formulated to maximize the lifespan of tyres. WTB's Distance Compound offers you a harmonious pairing of longevity and tractionBuy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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WTB Venture TCS Road Tyre - Black - 650b}, Black
  • £16.99
  • RRP £44.99
  • Saving you £62

WTB Venture TCS Road TyreDesigned for high-performance road cycling, the Venture Road Tyre is made from a durable, high-traction Dual DNA Compound for quality you can count on. Incredibly smooth-rolling, it glides across the road thanks to its lightweight casing and tubeless-ready design. Features: Use: Gravel / Adventure Tyre Type: TubelessTyre Bead: Folding Tubeless Compatibility: YesCasing Type: Single-ply 60 TPI Compound: Dual DNA Recommended Pressure: 25-50 PSI (650b x 47c); 30-55 PSI (700c x 40c); 25-45 PSI (700c x 50c)Size/Width: 650b x 47c; 700c x 40c; 700c x 50cWeight: 586g (650b x 47c); 501g (700c x 40c); 626g (700c x 50c)Technologies: Dual DNA Rubber Compound: Dual DNA is the perfect mix of efficiency, traction, and durability. The centreline tread features a firmer rubber compound that boasts faster rolling and increased durability, while the side knobs are composed of softer, slower-rebounding rubber that improves control and grip. Road Plus: Supple plus-size traction and smooth riding characteristics for beyond where the pavement ends. Added tubeless compliance with higher volume drowns out road noise, gravel vibrations, and dirt imperfections.Buy WTB Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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