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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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

SRAM PowerLock Chain Connector - Black - 10 Speed PowerLock}, Black
  • £3.75

SRAM PowerLock Chain ConnectorPowerLock chain joining links have been developed by SRAM as a simple, tool-free solution to joining up your SRAM chain. Whether you’re fitting a new chain in your workshop or making a quick repair at the road or trail-side, these chain links will get you back to riding in no time. Although no tools are required, these links can only be used once as once they’re closed, they’re closed for good.Reasons to Buy: Offers a simple and tool-free solution. Suitable for road or MTB use. Lightweight and durable.PowerLock Chain Connector 10-speedFeatures: Single use only (cannot be opened and closed again) No tools necessary to install From a long line of tough, light-weight chain engineering from SRAM Compatible Speed: 10-speed Chain Connector Type: PowerLock Colour: Black Chain Connector Finish: Black OxidePowerLock Chain Connector 12-SpeedFeatures: Single use only (cannot be opened and closed again) Compatible Speed: 12-speed Road Chain Connector Type: PowerLock Colour: Silver Chain Connector Finish: NickelSRAM Eagle PowerLockFeatures: Single use only (cannot be opened and closed again) Compatible Speed: 12-speed MTB Chain Connector Type: PowerLock Colour: Silver or Rainbow Chain Connector Finish: Nickel or BrassPowerlinkNormally, a chain is as strong as its weak link, but with a PowerLink chain joining link in your chain this rule does not apply. These links are every bit as strong as the rest of the chain’s links, plus you can open it again to make a repair or change your chain length. This can all be done without any tools, making these links the perfect choice for workshop, trail-side or road-side repairs.PowerLink Chain Connector 8-speedFeatures: Multi-use (can be opened and closed again) Compatible Speed: 8-speed Chain Connector Type: PowerLink Colour: Silver Chain Connector Finish: NickelPowerLink Chain Connector 9-speed Multi-use (can be opened and closed again) Compatible Speed: 9 speed Chain Connector Type: PowerLink Colour: Gold Chain Connector Finish: Brass*SRAM Chain Connectors Powerlink / Powerlock are sold as 1 linkBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Continental MTB 29er Tube - 42mm Valve
  • £3.79
  • RRP £7.49
  • Saving you £49

Continental MTB 29er Tube Tough and durable, this 29er mountain bike inner tube is made from Continental’s high-quality butyl rubber. It also has a removable core for faster tyre changes or if you wish to add puncture protecting sealant inside it. Features: Material: Butyl Tyre Compatibility: 29x1.75-2.5" Valve Core Removable: Yes Sold individually Weight: 225gBuy Continental Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Mountain Bike Flat Pedal Plain Bush
  • £3.85

Hope Mountain Bike Flat Pedal Plain BushEach Hope flat pedal is fully serviceable, running on 3 sealed cartridge bearings and a bush. Over time the bearings and the bush wear and need to be replaced to keep your pedals feeling fresh. This Flat Pedal Plain Bush is a genuine replacement part from Hope so you can be sure of a perfect fit. Features:Length: 20mmInternal Diameter: 10mmExternal Diameter: 12mmBuy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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FSA Unidirectional Carbon Headset Spacer - Black - 1.1/8", Black
  • £3.95

FSA Unidirectional Carbon Headset SpacerAn authentic FSA spacer, this carbon-made replacement or spare is a brilliant back up to keep your headset in peak condition. Features: Material:  Unidirectional Carbon Fibre Dimensions: 1 1/8" x 20mmBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi D-Clip For Superzero Stem - Black - 31.7mm}, Black
  • £3.99

Deda Elementi D-Clip For Superzero StemAdd a little colour and improve your stem aerodynamics with the addition of the Deda Elementi D-Clip For Superzero Stem. A nylon insert specific for the Superzero stem, this clip is crafted from thermoplastic material and is extremely lightweight.The D-Clip only fits Deda Superzero stems.Features:Material: Thermoplastic materialHandlebar: 31,7 mmWeight 5gFinish: Black; RedCompatible with Deda Elementi Superzero stem onlyIncluded with all Superzero stemsBuy Deda Elementi 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 Headset Compression Device- Alloy Cap - Black - 1.1/8", Black
  • £3.99
  • RRP £5.99
  • Saving you £33

Brand-X Headset Compression Device- Alloy CapFeaturing a robust alloy top cap and body construction, this compression device offers excellent strength and durability. It is specifically engineered to compress your headset together safely and securely when using a carbon fork with a carbon steerer tube. Coming complete with a stainless steel bolt and weighing in at only 40g, this is a perfect choice for compressing your headset together.Features: Top Cap Material: Alloy Body Material: Alloy Bolt Material: Stainless Steel Fork Tube ID: 22 - 25.4mm Depth of Body: 18mm Weight: 40gManufacturer's Part Number: BXCOMPDEVALLOYCAP Black 1 1/8"Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Clarks Steel Anodised Rotor Bolts - Red, Red
  • £3.99
  • RRP £5.99
  • Saving you £33

Clarks Steel Anodised Rotor BoltsAnodised rotors bolts, in a pack of 6, precision engineered.Buy Clarks Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Clarks Sintered Mountain Bike Disc Brake Pads - Organic}
  • £3.99
  • RRP £8.99
  • Saving you £56

Clarks Sintered Pair Of Disc Brake Pads Clarks replacement competition disc pads.Features:Fits: Hayes HFX-Mag,HFX-9, MX1Buy Clarks Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Spank MTB Flat Pedal Pin Replacement Kit - Silver, Silver
  • £3.99
  • RRP £6.99
  • Saving you £43

Spank MTB Flat Pedal Pin Replacement Kit Genuine replacement pin kit for Spank Spike Pedals.Features: Size: M4Buy Spank Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano XT FCM785 10 Speed MTB Chainring - Silver - AJ Type - For 40.28t, Silver
  • £3.99
  • RRP £19.99
  • Saving you £80

Shimano XT FCM785 10 Speed MTB ChainringSpecifically designed for its XT FCM785 chainset, the XT 10-speed chainrings are made from top-end materials to give you top-end shifting performance. Also, they're enhanced with Shimano’s Dyna-Sys and Hyperglide technologies to improve the gear changes even further. These strong, stiff and durable mountain bike chainrings will ensure you enjoy accurate and reliable power delivery and shifting on every ride.Reasons to Buy: Top-end shifting performance. Improved gear changes. Strong, stiff and durable. Reliable MTB chainring.Features: Speed: 10-speed Compatibility: Shimano Deore XT FC-M785 10-speed Double Chainset only BCD: 4x104mm Chain Compatibility: HG-X 10-speed Durable Please Note: Sold separatelyManufacturer Reference Codes: Black 104mm 40T AJ Type - For 40.28T: 1ML 9803; Silver 64mm 26T AK Type - For 38.26T: 1ML 2600; Black 104mm 38T AK Type - For 38.26T: 1ML 9802; Silver 64mm 28T AJ Type - For 40.28T: 1ML 2800; Silver 64mm 24T AM Type - For 38.24T: Y1ML24000; Black 104mm 38T AM Type - For38.24T: Y1ML98040A 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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LifeLine Chain Connector Aid - Black - LifeLine}, Black
  • £3.99

LifeLine Chain Connector Aid A simple tool worth its weight in gold. Place either hook end through the links of your chain to hold it in place whilst you rejoin the links. Features: Compatible with all chainsPeace of mind on long rides or competitionsBuy LifeLine Products from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Centre Lock Rotor Lock Ring (15 or 20mm) - Black - 15/20mm}, Black
  • £3.99
  • RRP £4.99
  • Saving you £20

Prime Centre Lock Rotor Lock Ring (15 or 20mm)This high-quality lockring is perfectly tailored for securing your Center Lock disc rotors. Essential for riders who want to run a 15 or 20mm front thru axle set-up, this brilliant component offers fast installation and excellent reliability.Features: Allows 15mm and 20mm thru axles to be used on hubs with Center Lock disc rotors Replaces the standard 12mm Center Lock ringBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Centre Lock Rotor Lock Ring (12mm) - Black-White - 12mm}, Black-White
  • £3.99
  • RRP £4.99
  • Saving you £20

Prime Centre Lock Rotor Lock Ring (12mm)This high-quality lockring is perfectly tailored for securing your Center Lock disc rotors when using QR or 12mm thru axles. Essential for riders who want to run a QR or 12mm front thru axle set-up, this brilliant component offers fast installation and excellent reliability.Features: Allows QR and 12mm thru axles to be used on hubs with Center Lock disc rotors Genuine Prime partBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hutchinson Air Light Road Inner Tube - 48mm
  • £3.99
  • RRP £9.99
  • Saving you £60

Hutchinson Air Light Road Inner TubeThis is a competition level Road bike tube for use with clincher tyres. The thinner wall thickness of 0.7mm lowers the rotational weight and helps your bike to maintain speed.Features: General purpose standard MTB tube Made of high-quality butyl with a thickness of 0.7mm Retains air well Valve Length: 48mm or 60mm Weight: 79 - 87gBuy  Hutchinson Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hutchinson Air Light Road Inner Tube - 60mm
  • £3.99
  • RRP £9.99
  • Saving you £60

Hutchinson Air Light Road Inner TubeThis is a competition level Road bike tube for use with clincher tyres. The thinner wall thickness of 0.7mm lowers the rotational weight and helps your bike to maintain speed.Features: General purpose standard MTB tube Made of high-quality butyl with a thickness of 0.7mm Retains air well Valve Length: 48mm or 60mm Weight: 79 - 87gBuy  Hutchinson Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Alloy Screw In Bar End Plugs - Orange - Pair}, Orange
  • £3.99

LifeLine Alloy Screw In Bar End PlugsLifeLine's alloy screw in bar end plugs are designed to help protect you from injuring yourself on the bar ends during a crash. Their rounded shape and countersunk bolt heads help to protect hands and knees during impact.Suitable for use on Road bike drop bars or MTB flat bars, the simple and lightweight design reinforces the ends of thin walled alloy or carbon flat handlebars to avoid crushing damage from lock on grips. The rubber wedge design also means they will stay securely in place once fitted and can be removed as many times as you like.Features:Material: 6000 Series AlloyCompatible with flat or drop handlebars with an ID of 18mm or greaterFinish: AnodisedRe-usableWeight: 38g per pairBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Continental MTB 29" Light Inner Tube - 60mm Valve
  • £3.99
  • RRP £10.49
  • Saving you £62

Continental MTB 29" Light Inner TubePerfect for use with the growing trend towards wider tyre 29er mountain bikes (MTBs) Continental has constructed its MTB 29" Light Inner Tube from high-quality Butyl rubber. This brings you excellent durability without adding lots of extra weight to your ride.All Continental bike inner tubes are seamless and mould-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. Every tube passes a stringent 100% quality control inspection.Features: Material: Butyl Valve Type: Presta Tyre Compatibility: Various options available Valve Length: Various options available Valve Core Removable: Yes Weight: 190gBuy Continental Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hutchinson Mountain Bike Inner Tube - 48mm
  • £3.99
  • RRP £9.99
  • Saving you £60

Hutchinson Mountain Bike Inner TubeThis versatile mountain bike tube is designed for MTB (mountain bike) riding, XC (cross-country) and Trail Riding.Features:General-purpose standard MTB tubeMade of high-quality butyl with a thickness of 0.9mmRetains air wellValve Length: 48mmValve Type: PrestaWeight: 175gBuy  Hutchinson Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Alloy Screw In Bar End Plugs - Red - Pair}, Red
  • £3.99

LifeLine Alloy Screw In Bar End PlugsLifeLine's alloy screw in bar end plugs are designed to help protect you from injuring yourself on the bar ends during a crash. Their rounded shape and countersunk bolt heads help to protect hands and knees during impact.Suitable for use on Road bike drop bars or MTB flat bars, the simple and lightweight design reinforces the ends of thin walled alloy or carbon flat handlebars to avoid crushing damage from lock on grips. The rubber wedge design also means they will stay securely in place once fitted and can be removed as many times as you like.Features:Material: 6000 Series AlloyCompatible with flat or drop handlebars with an ID of 18mm or greaterFinish: AnodisedRe-usableWeight: 38g per pairBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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