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 298 products listed for Chain Reaction UK, that's 298 opportunities for you to save money!

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Chain Reaction UK have 298 Prime products listed

Prime BB30 Bottom Bracket - Black - BB30}, Black
  • £19.99

Prime BB30 Bottom BracketWhen bearings have to be pressed directly into the frame, it is of the upmost importance that the bearings are of the highest quality - The bearings in this Prime BB30 Bottom Bracket are exactly that.Our bearings are highly polished so they spin smoother for longer, while the seals protect the bearings and races from dirt and debris that try to make their way in.Features: Bearing: Premium Stainless Steel Frame Type: BB30 Crank Type: SRAM (30mm) or Shimano/FSA (24mm) when used with the Prime Bottom Bracket Adaptor (PF30 - Shimano) Weight: 56gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime BB86 Bottom Bracket (Shimano) - Black - BB86 - 24mm Spindle, Black
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime BB86 Bottom Bracket (Shimano)The Prime BB86 Bottom Bracket features the finest materials available to make it incredibly tough. Using a combination of fibre and plastic, we were able to precisely machine the shell, so that it fits perfectly in the frame, and eliminates any noise.Water RepellentTo make our BB86 Bottom Bracket even more durable, we've used special seals, which keep moisture out while keeping drag to a minimum. A tube is also included to further enhance water repellence.Our bottom brackets are hand-assembled, so we can ensure that all our BBs are finished to perfection to keep your bike riding smoother for longer.Ceramic BearingsWith our ceramic bearing option, friction is reduced meaning less energy is required to turn the cranks, they're also more durable, and don't rust so they'll require less maintenance. If you're a rider seeking out every possible advantage over the competition, the ceramic option can help take your performance to the next level.Features: Bearing: Premium Stainless Steel & Ceramic options available Frame Type: BB86 Crank Type: Shimano/FSA (24mm) Weight: 75g (Steel Bearings), 70g (Ceramic Bearings)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime BB86 Bottom Bracket (SRAM - GXP) - Black - BB86 - SRAM GXP, Black
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime BB86 Bottom Bracket (SRAM - GXP)The Prime BB86 Bottom Bracket features the best materials available to make it super tough. Using a combination of fibre and plastic, we were able to precisely machine the shell, so that it fits perfectly in the frame, and eliminates any noise.Water RepellentTo make our BB86 Bottom Bracket even more durable, we've used special seals, which keep moisture out while keeping drag to a minimum. A tube is also included to further enhance water repellence.Our bottom brackets are hand-assembled, so we can ensure that all our BBs are finished to perfection to keep your bike riding smoother for longer.Ceramic BearingsWith our ceramic bearing option, friction is reduced meaning less energy is required to turn the cranks, they're also more durable, and don't rust so they'll require less maintenance. If you're a rider seeking out every possible advantage over the competition, the ceramic option can help take your performance to the next level.Features: Bearing: Premium Stainless Steel & Ceramic options available Frame Type: BB86 Crank Type: SRAM/Rotor (24/22mm) Weight: 82g (Steel Bearings), 78g (Ceramic Bearings)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Shimano Carbon Road Disc Brake Pads - Race Compound}
  • £19.99

Prime Shimano Carbon Road Disc Brake PadsWhether you're racing through the smooth city streets or descending an alpine pass, these stunning disc brake pads deliver amazing braking performance on every run. They feature a fantastic blended carbon and steel backplate construction which is 27% lighter than traditional steel backplates. This means you'll benefit from their fast and precise stopping power without any unnecessary grams holding you back as you push for victory.Prime Racing CompoundAll set for adrenaline-fuelled road events, these superb components are kitted out with Prime's Race compound. This features a higher percentage of kevlar for outstanding strength and durability while vibrations which cause brake squeal are dramatically reduced. Multiple hard and soft metals have also been added to this compound for less heat build-up and superior modulation, so you can conquer every road with precision and power. Features: Backplate Material: Carbon and Steel Compound: Prime Race Compound Compatibility: Shimano disc brake systems Use: RoadBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Doyenne Endurance Saddle - Black - 140mm}, Black
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime Doyenne Endurance SaddleThis endurance-focused saddle comes equipped with a waterproof microfibre cover for reliable performance in all-weather conditions. Developed to keep you supported over long distances and many hours on your road bike, Prime has also kitted out this model with a nylon fibre base, which ensures maximum stiffness and strength without adding any unnecessary excess grams to your ride. Another highlight is its titanium alloy rails which provide a secure hold to your seatpost, while its chromium nitride (CrN) coating delivers additional wear resistance and protection against corrosion.Endurance Road Saddle with Titanium Alloy RailsThe Prime Doyenne Endurance saddle features titanium alloy rails coated with chromium nitride (CrN). These offer exceptional tensile strength, stiffness and corrosion resistance at an extremely low weight. The reduced weight helps you conserve energy as you climb and accelerate, and ultimately saves crucial seconds on your time.Crn/Ti rails are also highly resistant to flexing and deforming. This makes them far less likely to bend or creak as you ride. The seat rails also feature measurement markers, which help you adjust the fore/aft position of your saddle accurately to achieve an efficient and ergonomic pedalling stance.Prime Saddle Integration (PSI)PSI allows you to clip PSI accessories into the saddle base to allow for sleek integration.Features: Cover Material: Waterproof Microfibre Shell Material: Nylon Fibre Rails Material: Titanium Alloy with a Chromium Nitride (CrN) coating Use: Road Size: Narrow: 140x280mm (without cut-out); Wide: 148x280mm (with cut-out) PSI Compatible Rail fore/aft measurement markers Weight: Narrow Option: 240g; Wide Option: 277gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Aerobar Bike Computer Mount - Black, Black
  • £19.99

Prime Aerobar Bike Computer MountThis computer mount attaches to your road bike's aerobars, so you can track your performance on the move. It features an adjustable arm that extends up to 15mm, in 5mm increments, which puts your cycle computer at the centre of your vision. This makes it easy to view your GPS data as you move. Prime has also kitted out this version with a tough aluminium construction, which makes it more than capable of handling all the intensity that comes with long distance road bike journeys. Features: Material: CNC-machined Aluminium Computer Compatibility: 1/4 turn Garmin computers and watches, Wahoo and Cateye computers Arm Adjustability: Arm extends up to 15mm, in 5mm increments to centre your computer Aerobar Compatibility: Fits 22.2mm diameter aerobars Includes: Hardware and instructions Weight: 38g (approx)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RD010-R010 Anti Bite Guard Freehub Body
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime RD010-R010 Anti Bite Guard Freehub BodyThis lightweight CNC alloy freehub body features an integrated reinforced steel rib to eliminate damage from cassette sprockets. Additional features include 2x Premium Japanese sealed cartridge bearings and a grease port for home maintenance, which will prolong the life of the bearings.Genuine Prime replacement freehub body with ABG technology for RD010 & R010 hubs. Lightweight CNC alloy constructionHigh quality Japanese double sealed cartridge bearingsABG (Anti Bite Guard) technologyGrease portIncludes pawls and springBuy Prime Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime R020 Anti Bite Guard Freehub Body
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime R020 Anti Bite Guard Freehub BodyThis lightweight CNC alloy freehub body has an integrated reinforced steel rib to eliminate damage from cassette sprockets. Additional features include 2x Premium Japanese sealed cartridge bearings and a grease port for home maintenance which will prolong the life of the bearings. Genuine Prime replacement freehub body with ABG technology for R020 hubs.Lightweight CNC alloy constructionHigh quality Japanese double sealed cartridge bearingsABG (Anti Bite Guard) technologyGrease portIncludes pawls and springBuy Prime Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RD020 Anti Bite Guard Freehub Body
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime RD020 Anti Bite Guard Freehub BodyThis lightweight CNC alloy freehub body has an integrated reinforced steel rib to eliminate damage from cassette sprockets. Additional features include 2 x Premium Japanese sealed cartridge bearings and a grease port for home maintenance, which will prolong the life of the bearings.Genuine Prime replacement freehub body with ABG technology for RD020 hubs.Lightweight CNC alloy constructionHigh quality Japanese double sealed cartridge bearingsABG (Anti Bite Guard) technologyGrease portIncludes pawls and springBuy Prime Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RD010 - RD020 Freehub Body - Campagnolo
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime RD010 - RD020 Freehub Body - CampagnoloThe Prime RD020 Freehub Body is a lightweight CNC alloy freehub body for Campagnolo standard cassettes. Additional features include 2 x Premium Japanese sealed cartridge bearings and a grease port for home maintenance, which will prolong the life of the bearings. Genuine Prime replacement freehub body with Campagnolo standard for RD010 & RD020 hubs.Lightweight CNC alloy constructionHigh quality Japanese double sealed cartridge bearingsGrease portIncludes pawls and springSuitable for RD010 & RD020 hubsBuy Prime Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Carbon Bike Bottle Cage - Black, Black
  • £19.99
  • RRP £24.99
  • Saving you £20

Prime Carbon Bike Bottle CageStyle and substance combine with the Prime Carbon Bottle Cage, as not only will your bottle stay firmly in place, it will look great while doing so. Impressively strong despite being fairly lightweight, this cage assures no fear of drops or launches, whatever the terrain. Rigid enough to hold a full bottle, yet flexible enough for efficient and easy removal, this is a great looking carbon fibre cage, suitable for any frame and any ride.    Please Note: Mounting bolts are sold separately.Features: Material: Carbon Fibre Compatibility: Suitable for all frames Maximum Recommeneded Bottle Size: 750ml Weight: 24 gBuy Prime accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime R010 - R020 Freehub Body - Campagnolo
  • £18.99
  • RRP £24.99
  • Saving you £24

Prime R010 - R020 Freehub Body - CampagnoloThis is a lightweight CNC alloy freehub body from Prime for Campagnolo standard cassettes. Additional features include 2 x Premium Japanese sealed cartridge bearings and a grease port for home maintenance, which will prolong the life of the bearings.Genuine Prime replacement freehub body with Campagnolo standard for R010 & R020 hubs.Lightweight CNC alloy constructionHigh quality Japanese double sealed cartridge bearingsGrease portIncludes pawls and springSuitable for R010 & R020 hubsBuy Prime Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Doyenne Womens Endurance Saddle - Black - 159mm, Black
  • £16.99
  • RRP £24.99
  • Saving you £32

Prime Doyenne Womens Endurance SaddlePrepared for wherever your next ride takes you, this women's road saddle features a high-quality microfibre cover that's hard-wearing and waterproof, which makes it ideal for all-weather conditions. Prime has also kitted out this endurance-focused model with a nylon shell for optimum support during high mileage events, such as sportives and cycle touring. Its profile is also designed for a more relaxed cycling position in which the lower back follows a gentler curve as you reach the handlebars. In this position, the pelvis may tilt forward slightly to reduce the curve in the spine.Women's Road Saddle with Deep Pressure Relief ChannelThis women's road bike saddle is equipped with a contoured convex profile with a deep pressure relief channel. This alleviates central pressure and distributes support to your sit bones for sustainable comfort over long distances. It's also available in two width options to choose from (141mm or 159mm), so you can enjoy a more tailored fit as it distributes pressure and offers excellent comfort and stability.Prime Saddle Integration (PSI)Featuring Prime Saddle Integration (PSI), this model allows you to clip PSI accessories into the saddle base to allow for sleek integration. As a result, you'll easily be able to bring any essentials with you on your travels.Please note: The 141mm narrow width option has titanium saddle rails and the 159mm wide width option has Chromoly (CrMo) steel rails.Features: Cover Material: Waterproof Microfibre Shell Material: Nylon Rails Material: Titanium (141mm Option); CrMo (159mm Option) Padding: Polyurethane (PU) Foam Use: Road Size: Narrow Option: 141x265mm (with cut-out); Wide Option: 159x277mm (without cut-out) Prime Saddle Integration (PSI) Compatible Contoured convex profile with a deep pressure relief channel Wide option to suit female sit bonesBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Doyenne Womens Endurance Saddle - Black - 141mm, Black
  • £16.99
  • RRP £24.99
  • Saving you £32

Prime Doyenne Womens Endurance SaddlePrepared for wherever your next ride takes you, this women's road saddle features a high-quality microfibre cover that's hard-wearing and waterproof, which makes it ideal for all-weather conditions. Prime has also kitted out this endurance-focused model with a nylon shell for optimum support during high mileage events, such as sportives and cycle touring. Its profile is also designed for a more relaxed cycling position in which the lower back follows a gentler curve as you reach the handlebars. In this position, the pelvis may tilt forward slightly to reduce the curve in the spine.Women's Road Saddle with Deep Pressure Relief ChannelThis women's road bike saddle is equipped with a contoured convex profile with a deep pressure relief channel. This alleviates central pressure and distributes support to your sit bones for sustainable comfort over long distances. It's also available in two width options to choose from (141mm or 159mm), so you can enjoy a more tailored fit as it distributes pressure and offers excellent comfort and stability.Prime Saddle Integration (PSI)Featuring Prime Saddle Integration (PSI), this model allows you to clip PSI accessories into the saddle base to allow for sleek integration. As a result, you'll easily be able to bring any essentials with you on your travels.Please note: The 141mm narrow width option has titanium saddle rails and the 159mm wide width option has Chromoly (CrMo) steel rails.Features: Cover Material: Waterproof Microfibre Shell Material: Nylon Rails Material: Titanium (141mm Option); CrMo (159mm Option) Padding: Polyurethane (PU) Foam Use: Road Size: Narrow Option: 141x265mm (with cut-out); Wide Option: 159x277mm (without cut-out) Prime Saddle Integration (PSI) Compatible Contoured convex profile with a deep pressure relief channel Wide option to suit female sit bonesBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Race Bar Tape - Red, Red
  • £14.99
  • RRP £17.99
  • Saving you £17

Prime Race Handlebar TapeThis handlebar tape features Prime's Super Anti-Slippery Technology, which gives you fantastic grip even during wet riding conditions. Thanks to its 2.5mm thick design, it also helps to eliminate road vibrations for an extra smooth ride. Coming complete with finishing strips and two anodised alloy screw-in bar end plugs, this model is a great choice of upgrade for riders that want reliable performance on race day.In The Box 2x Rolls2x Finishing Strips2x Anodised alloy screw in bar end plugFeatures: Embossed Prime logos Super Anti-Slippery Technology - grippy even when wet 2.5mm thick Shockproof Lightweight Anodised alloy screw in bar end plug Weight: 60g/pc (120g/set) Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Race Bar Tape - Black, Black
  • £14.99
  • RRP £17.99
  • Saving you £17

Prime Race Handlebar TapeThis handlebar tape features Prime's Super Anti-Slippery Technology, which gives you fantastic grip even during wet riding conditions. Thanks to its 2.5mm thick design, it also helps to eliminate road vibrations for an extra smooth ride. Coming complete with finishing strips and two anodised alloy screw-in bar end plugs, this model is a great choice of upgrade for riders that want reliable performance on race day.In The Box 2x Rolls2x Finishing Strips2x Anodised alloy screw in bar end plugFeatures: Embossed Prime logos Super Anti-Slippery Technology - grippy even when wet 2.5mm thick Shockproof Lightweight Anodised alloy screw in bar end plug Weight: 60g/pc (120g/set) Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Race Bar Tape - White, White
  • £14.99
  • RRP £17.99
  • Saving you £17

Prime Race Handlebar TapeThis handlebar tape features Prime's Super Anti-Slippery Technology, which gives you fantastic grip even during wet riding conditions. Thanks to its 2.5mm thick design, it also helps to eliminate road vibrations for an extra smooth ride. Coming complete with finishing strips and two anodised alloy screw-in bar end plugs, this model is a great choice of upgrade for riders that want reliable performance on race day.In The Box 2x Rolls2x Finishing Strips2x Anodised alloy screw in bar end plugFeatures: Embossed Prime logos Super Anti-Slippery Technology - grippy even when wet 2.5mm thick Shockproof Lightweight Anodised alloy screw in bar end plug Weight: 60g/pc (120g/set) Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Race Bar Tape - Blue, Blue
  • £14.99
  • RRP £17.99
  • Saving you £17

Prime Race Handlebar TapeThis handlebar tape features Prime's Super Anti-Slippery Technology, which gives you fantastic grip even during wet riding conditions. Thanks to its 2.5mm thick design, it also helps to eliminate road vibrations for an extra smooth ride. Coming complete with finishing strips and two anodised alloy screw-in bar end plugs, this model is a great choice of upgrade for riders that want reliable performance on race day.In The Box 2x Rolls2x Finishing Strips2x Anodised alloy screw in bar end plugFeatures: Embossed Prime logos Super Anti-Slippery Technology - grippy even when wet 2.5mm thick Shockproof Lightweight Anodised alloy screw in bar end plug Weight: 60g/pc (120g/set) Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Race Bar Tape - Bianchi, Bianchi
  • £14.99
  • RRP £17.99
  • Saving you £17

Prime Race Handlebar TapeThis handlebar tape features Prime's Super Anti-Slippery Technology, which gives you fantastic grip even during wet riding conditions. Thanks to its 2.5mm thick design, it also helps to eliminate road vibrations for an extra smooth ride. Coming complete with finishing strips and two anodised alloy screw-in bar end plugs, this model is a great choice of upgrade for riders that want reliable performance on race day.In The Box 2x Rolls2x Finishing Strips2x Anodised alloy screw in bar end plugFeatures: Embossed Prime logos Super Anti-Slippery Technology - grippy even when wet 2.5mm thick Shockproof Lightweight Anodised alloy screw in bar end plug Weight: 60g/pc (120g/set) Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Race Bar Tape - Green, Green
  • £14.99
  • RRP £17.99
  • Saving you £17

Prime Race Handlebar TapeThis handlebar tape features Prime's Super Anti-Slippery Technology, which gives you fantastic grip even during wet riding conditions. Thanks to its 2.5mm thick design, it also helps to eliminate road vibrations for an extra smooth ride. Coming complete with finishing strips and two anodised alloy screw-in bar end plugs, this model is a great choice of upgrade for riders that want reliable performance on race day.In The Box 2x Rolls2x Finishing Strips2x Anodised alloy screw in bar end plugFeatures: Embossed Prime logos Super Anti-Slippery Technology - grippy even when wet 2.5mm thick Shockproof Lightweight Anodised alloy screw in bar end plug Weight: 60g/pc (120g/set) Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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