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

dhb Blok Sock (Mosaic) AW22 - Umber - M/L}, Umber
  • £4.00
  • RRP £10.00
  • Saving you £60

dhb Blok Socks (Mosaic)Raise your sock game with the dhb Blok Socks. These breathable, durable, soft, stylish and supportive socks are finished in a Mosaic print to complete your look.An eye-catching addition to your warm-season cycling wardrobe, the dhb Blok Sock has a multi-panel construction. This comprises a reinforced heel and seamless toe box for extra durability, a mid-foot band for support, along with an air mesh top and cuff for enhanced breathability.dhb’s Blok collectionBold, confident and fun – dhb’s Blok collection offers distinctive designs for athletes who love standing out from the crowd. Using proven construction techniques and trusted premium fabrics, Blok is engineered to both look good and perform.Features:Materials: 50% Polyester, 40% Polyamide, 10% ElastaneLightweight and breathable socksHigh-wicking nylon blendMid-cuff lengthReinforced heel and seamless toe boxBuy dhb Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ravemen FR160 Replacement Disc Mount - Black - QTM02 - Bryton}, Black
  • £3.99

Ravemen FR160 Replacement Disc MountThe Ravemen FR160 Replacement Disc Mount is a durable computer mount that is compatible with the Ravemen FR160 USB Rechargeable Front Light (160 Lumens). This mount enables you to connect your Wahoo or Bryton computer to the top of your FR160 light. Replaceable part for FR160 headlight; insert and mounting tab for Wahoo or Bryton computers and mounts (multiple selection options).Features: Genuine Ravemen mounting plate Compatible with Ravemen FR160 Out-Front USB Rechargeable Front Light Ideal for use with Wahoo or Bryton computers and mounts (multiple selection options)Buy Ravemen Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fiction Troop Grips - Bright Blue, Bright Blue
  • £3.99
  • RRP £4.99
  • Saving you £20

Fiction Troop GripsThe Fiction Troop grips are made from a soft Krayton rubber compound with diagonally cut ribs for comfort and control.Features: Diameter: 30.5mmLength: 160mmBar Ends: Nylon Plug StyleBuy Fiction Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fiction Troop Grips - Blood Red, Blood Red
  • £3.99
  • RRP £4.99
  • Saving you £20

Fiction Troop GripsThe Fiction Troop grips are made from a soft Krayton rubber compound with diagonally cut ribs for comfort and control.Features: Diameter: 30.5mmLength: 160mmBar Ends: Nylon Plug StyleBuy Fiction Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Sean Morr Grips - Gum, Gum
  • £3.99
  • RRP £8.99
  • Saving you £56

Stolen Sean Morr GripsStolen's Sean Morr Grips were produced in collaboration with the man himself and to the exacting standards that a Pro BMXer needs. They feature a unique high grip and comfortable design, so you can get those tricks dialled without your hands suffering as a result!Features: Sean Morr signature edition Supplied as a pairBuy Stolen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Alloy Bike Bottle Cage - Black, Black
  • £3.99
  • RRP £4.99
  • Saving you £20

LifeLine Alloy Bike Bottle CageThis Bottle Cage from LifeLine is made of alloy and is fitted via two steel bolts. It is lightweight, weighing only 64g and features a laser etched logo.Please note: Mounting screws are not included but are available separately.Features: Material: Alloy Fitting: 2 Steel bolts Laser etched logo Weight: 64gBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Seal BMX Progression Linear BMX Brake Cable - Black, Black
  • £3.99

Seal BMX Progression Linear BMX Brake CableWith an ultra-smooth outer housing and a durable black stainless inner cable, the Seal BMX Progression Linear Brake Cable is great value and doesn't bind as easily as a regular brake cable when the bars are spun or when the cable is routed through a tight bend.Features: Ultra-smooth linear outer housing Black Stainless inner cableOuter Cable Length: 1300mm Inner Cable Length: 1500mm Buy Seal BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Campagnolo Road Inner Brake Cable - Silver, Silver
  • £3.99

Transfil Campagnolo Road Inner Brake CableThe Transfil Campagnolo Road Brake Cable Inner is made from the highest quality stainless steel and has been pre-stretched, meaning they do not require constant adjustment like lots of other cables do as they wear-in. Transfil's technology comes from the research and innovation of the production of the control cables they produce for the French car industry. These specific cables are tailored to provide optimised performance and longevity for use with Campagnolo brakes.Features: Material: Pre-Stretched Stainless SteelBrake Compatibility: CampagnoloUse: Road bikesDiameter: 1.6mmLength: 160cmBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Shimano MTB Inner Brake Cable - Silver, Silver
  • £3.99

Transfil Shimano MTB Inner Brake CableWound from high-quality Stainless Steel for ultimate durability, the Transfil Shimano MTB Brake Cable Inner is suitable for all weather conditions. As it has been pre-stretched from the factory, less time is required to install this cable and once adjusted to your liking, the feel is retained.Features: Material: High-quality Stainless Steel Compatibility: Shimano MTB Pre-stretched Thickness: 1.6mm Length: 1700mmBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Shimano Road Bike Inner Brake Cable - Silver, Silver
  • £3.99

Transfil Shimano Road Bike Inner Brake CableDesigned from hard-wearing stainless-steel this Inner Brake Cable from Transfil is suitable for use with Shimano brake sets. Made from durable stainless-steel that has been pre-stretched, so you don't have to wear them in, these specific cables are tailored to provide optimised performance and longevity.Features:Use: RoadMaterial: Stainless SteelPre-StretchedCable Diameter: Shimano specific 1.6mmCable Length: 170cmBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Proper BMX Front Hubguard - Blue - 10mm, Blue
  • £3.99
  • RRP £19.99
  • Saving you £80

Proper BMX Front HubguardSpecifically designed for BMX use, this front hubguard protects your hub and spokes from grind damage. It features a tough aluminium construction, which makes it perfect for handling the intensity that's associated with practising your favourite tricks at the skatepark or in the street.Our guards replace the cone nuts and (because they're made from super-tough aluminium) there's no need for a metal inner and they're cheap and easy to replace. The guard is slightly wider diameter than most popular pegs (including plastic pegs) so you should protect your spokes and flanges and avoid grinding on top of the guard.This guard will fit all Proper Select hubs and V2 Microlite hubs (there's washers supplied for your perfect spacing). It will also fit numerous other brands hubs (if they have a 15mm od axle). Our guard are based around 12mm spacing from inner bearing race to the end of the axle. If you're hub has narrower flanges it'll need more spacing.Features: Material: Aluminium Use: BMX Compatibility: Proper BMX bikes and bikes with 15mm OD axle Type: Front hub Spacing: 12mmBuy Proper Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Sixpack Racing Avid Trail-X0 Semi-Metallic Brake Pads - Avid Trail X.0}
  • £3.99
  • RRP £8.50
  • Saving you £53

Sixpack Racing Avid Trail-X0 Semi-Metallic Brake PadsThese MTB (mountain bike) brake pads feature a semi-metallic construction, which makes them an ideal all-rounder for everyday use and in difficult situations such as dust and mud. This makes it a great choice of upgrade for replacing your old or worn-out existing Avid Trail X.0 brake pads.Features: Material: Semi-Metallic Use: MTB Compatibility: Avid Trail X.0 Single or Pair: Pair Part Number: SI-100294Buy Sixpack Racing Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Look Curve Sole Measurement Tool - Red, Red
  • £3.99
  • RRP £4.50
  • Saving you £11

Look Curve Sole Measurement ToolThis handy tool allows you to measure the radius of the curvature of your road shoe's sole and determine if it is necessary to apply the Keo spacer to the cleat. Genuine Look spare part.Features: Use: Road Type: Curve Sole Measurement Tool Genuine Look spare partBuy Look Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Preload Bolt - Black, Black
  • £3.99

Brand-X Preload BoltThis preload bolt is a direct replacement for the original one that came with your Shimano crankset. It comes equipped with a tough 6061 aluminium build to prevent any axle crushing or ovality, while its longer thread prevents pull out. Another highlight is its smaller flange diameter, which ensures that the arm clamps the axle and is not restricted by the cap. This is a stronger replacement than the genuine Shimano bolt which comes as standard in your crankset.Compatibility:Compatible with most Shimano Hollowtech II cranksets including Shimano Dura Ace, Ultegra, 105, XT, SLX and DEORE.XTR - M9XX Series / M9000 SeriesXT - M8XXX Series / M7XX SeriesSLX - M7XXX Series / M6XX SeriesDeore - M61XX Series, M6XX Series, M5XX SeriesSaint - M8XX SeriesZEE - M6XX SeriesEBike - M8000Features: Material: Aluminium Compatibility: Most Shimano Hollowtech II cranksets including Shimano Dura Ace, Ultegra, 105, XT, SLX and DEORE Longer thread to prevent pull out Strong construction to prevent any axle crushing or ovality Smaller flange diameter to ensure arm clamps axle and not restricted by the capManufacturer's Part Number: BXPLB-BLACKBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vitus E-Sommet Internal Cable Grommet Kit 2018 - Black - One Size}, Black
  • £3.99

Vitus E-Sommet Internal Cable Grommet KitThis is a genuine Vitus internal cable guide grommet kit. Specifically designed for use with Vitus E-Sommet electric bikes.Features: Use: E-bike Compatibility: Vitus E-Sommet Internal cable guide grommet kitBuy Vitus Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Reactor Alloy Cable Guide Kit 2020 - Black, Black
  • £3.99

Nukeproof Reactor Alloy Cable Guide KitThis Reactor Alloy Cable Guide Kit is for use with the 2020-2022 Nukeproof Reactor Alloy frame. Features: Kit Includes: 1x NP-131 (Cable Exit Clamp) 1x NP-132 (Internal Cable Exit Clamp Bolt) 1x NP-133 (Interal Shock Cable Exit Guide) 2x NP-134 (Interal Cable Entry Guide and 2x Bolts) 5x NP-135 (Plastic Cable Guide)Buy Nukeproof Frames & Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vitus Mythique Horst Link Kit - Neutral, Neutral
  • £3.99

Vitus Mythique Horst Link KitThis Horst Link kit is for replacing the bolt and spacers of the chainstay/seatstay pivot on all Mythique 27 and 29 frame models.Note: This kit is for one side of the frame only and 2x kits are required for a complete frame, bearings sold separately.Click here to view and download our Frame Diagram Sheet to ensure compatibility.Features: Kit Includes: 1x Bolt and spacers for Vitus Mythique Horst Link chainstay/seatstay pivot For one side of the pivot Bearings sold separatelyBuy Vitus Frames & Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ravemen ABM07 Rear Light Saddle Rail Mount - Black, Black
  • £3.99

Ravemen ABM07 Rear Light Saddle Rail Mount The ABM07 Rear Light Saddle Rail Mount is a saddle mount for Ravemen lights and hold them securely in place while you ride. Plus, it's compatible with TR20, TR30M, TR50, CL05 and CL06 Ravemen lights.Features: Saddle rail mount for rear lights Lightweight Easy to use Compatible with: TR20, TR30M, TR50, CL05 and CL06Buy Ravemen Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Avid 20 R V-Brake Pads - Black - Pair}, Black
  • £3.99
  • RRP £7.00
  • Saving you £43

Avid 20 R Brake PadsBudget one-piece brake pads from Avid.Features: Uses same compound as the excellent Avid rim wranglers Compatible with most V-brakesBuy Avid Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm Replacement Optics (G1.0-G2.0) - Clear - Spot, Clear
  • £3.99
  • RRP £4.99
  • Saving you £20

Gloworm Optic XS/X2 Flood (G1.0)The Optic XS/X2 Flood (G1.0) from Gloworm are replacement/spare optics that are interchangeable for different light effects and diffusion for G1.0 and G2.0 cycle lights.Genuine replacement optics for your Gloworm Light. Choose from either: Spot, Flood or Wide for the X2/XS G1.0, Spot, Wide or Honeycomb for the X2/XS/XSV G2.0 or Spot/Spot, Spot/Wide or Wide/Wide for the CX/Alpha. SPOT (96% Efficient/FWHM 17 degrees):The spot optic provides the narrowest beam. It is also the most efficient, allowing the greatest light output. It can be used in conjunction with another spot optic to gain the greatest possible output and therefore beam distance. This configuration is best used on the helmet to see down the trail or to spot the exit of a turn. Alternatively, the spot could be paired with another optic type from an alternative light pattern. FLOOD (84% Efficient/FWHM 25 degrees):For a smooth diffused light pattern the Flood optic is the best option. It takes the light and smooths the light across the width of the beam, making it slightly easier on the eye and creating even light from left to right. A pair of Flood optics would provide a wall of smooth light, however in doing so a significant amount of light intensity would be lost compared to a pair of spot optics. The flood is best used in tandem with a spot or wide optic. WIDE (87% Efficient/FWHM 40 degrees):This optic provides a wide rectangular beam, it utilises the light output to provide more peripheral light and less light in the vertical axis. While not as optically efficient as the Spot Optic, it provides very good output for a wide-angle optic. Two wide optics can be paired as a great option for use on the road, however, when paired with either a flood or spot optic an effective hybrid beam can be created. HONEYCOMB (87% Efficient/FWHM 30 degrees):Designed for use with the XSV, the Honeycomb Optic is used to gain a smooth diffused light pattern when used with 2 spot optics or other honeycomb optics. It takes the light and smooths it across the width of the beam, making it slightly easier on the eye and creating a more even transition from the bright beam centre. Features: Gloworm G1.0 The X2 and XS use the same single cone optics, whilst the CX and Alpha share the same double optics. The G1.0 XSV uses the same optics as the G2.0 XSV Gloworm G2.0 The X2 and XS use the same single cone optics The XSV uses the same optics as the G1.0 XSVBuy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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