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

Giant Connect Upright Women's Road Saddle - Black-Grey - Steel Rails}, Black-Grey
  • £11.49
  • RRP £34.99
  • Saving you £67

Giant Connect Upright Women's Road SaddleWhether you're commuting across the city to work or meeting friends at the coffee shop, this saddle is engineered for maximum performance on your urban travels. It features a hard-wearing synthetic leather effect cover, which makes it ideal for handling all the pressure and changes to your riding position as you commute from A to B. Giant has also equipped this model with tough steel rails, so you can enjoy a strong and secure hold to your seatpost. With a profile that's designed for upright riding positions, this model is also kitted out with a women's specific design that includes a central channel to reduce fatigue on longer journeys. This makes it a great choice of upgrade for increased comfort, support and control, wherever your next urban ride takes you.Features:Cover Material: Durable Synthetic Leather effectRails Material: SteelPadding Material: High-density FoamUse: Road, City and TouringDimensions: 160x270mm (approx)Gender: Women'sShape: Women's specific profile and centre channelDesign: Upright riding position designManufacturer's Part Number: 85206499Weight: 314g (approx)Buy Giant Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giant Connect Upright Road Bike Saddle - Black-Orange - Steel Rails - Black Base}, Black-Orange
  • £11.49
  • RRP £34.99
  • Saving you £67

Giant Connect Upright Road Bike SaddleThis high-quality saddle is suitable for both road and mountain bike (MTB) riding disciplines, as it offers a dependable shape and comfortable geometry that's tailored for male rider's anatomy. It features a hard-wearing synthetic cover, which allows it to deliver maximum strength while its upright design keeps you stable and in control of the ride. Coming equipped with foam padding as well as Particle Flow technology, it reduces pressure points around your sit bones, while its pressure relief channel improves blood circulation for long lasting comfort. Features:Cover Material: SyntheticShell Material: Nylon with UniClip mount systemRails Material: SteelPadding Material: Foam and Particle Flow technologyUse: Road, MTBPelvic Position: Upright riding positionGender: Men'sDimensions: 150x270mmWeight: 308g (approx)Buy Giant Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vittoria Pit Stop Super Magnum MTB Tyre Sealant - 100ml}
  • £11.49
  • RRP £12.49
  • Saving you £8

Vittoria Pit Stop Super Magnum MTB Tyre SealantVittoria Pit Stop Super Magnum is a fast, convenient and reliable puncture repair option, which is a great addition to any rider's backpack. It's the market-leading repair and inflation cartridge for mountain bike use and is specifically designed for bigger than average volume tyres. Clean and Easy to UseThis system gets you back on the trail and into the race once again, without hassle, mess or delay. It features a foam sealant, which is light, easy to use and is cleaner than dealing with liquid sealants. Features: Tyre Size Compatibility: 26” up to 2.50"; 27.5” up to 2.40"; 29” up to 2.40" Works With: Works on butyl tubes, latex tubes as well as tubeless tyres Valve Compatibility: Presta and SchraderBuy Vittoria Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Vittoria Pit Stop Magnum MTB Tyre Sealant - 75ml}
  • £11.49

Vittoria Pit Stop Magnum MTB Tyre SealantVittoria Pit Stop Magnum is a fast, convenient and reliable puncture repair option, which is a great addition to any rider's backpack. It's the market-leading repair and inflation cartridge for mountain bike use and is specifically designed for larger volume tyres. It features a foam sealant, which is light, easy to use and is cleaner than dealing with liquid sealants. This system gets you back on the trail and into the race once again, without any hassle, mess or delay.Features: Tyre Size Compatibility: 26” up to 2.30"; 27.5” up to 2.20"; 29” up to 2.10" Works With: Works on butyl tubes, latex tubes as well as tubeless tyres Valve Compatibility: Presta and SchraderBuy Vittoria Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Super Sealant - 500ml}
  • £11.49
  • RRP £13.99
  • Saving you £18

Joe's No Flats Super SealantAn easy to use and fast-acting solution, the Super Sealant from bike tyre anti-puncture and tubeless experts Joe's No Flats can be installed through your valve to find and seal small and large air leaks. Suitable for setting up new tubeless systems and for finding and preventing air loss, even on holes up to 6mm in diameter, you'll be able to hit the trails or road again in no time. Features: The World's fastest, most effective anti-puncture sealant Seals holes up to 6mm (¼ inch) Suitable for tubeless, tubular and inner tubes Wide temperature range compatibility (-20ºC - +70ºC) Wide pressure range (15-100 PSI) CO₂ compatible Scientifically developed to prevent punctures in bicycle wheels Works with Schrader valves or Joe's specific Presta valveContains micro sealing particles Latex-based Eco-FriendlyBuy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Avid Pitstop 5.1 DOT Hydraulic Brake Fluid
  • £11.49
  • RRP £16.00
  • Saving you £28

Avid Pitstop 5.1 DOT Hydraulic Brake FluidAvid's Pitstop 5.1 DOT Hydraulic Brake Fluid is perfect for use on high-end Avid brakes that will be taking lots of abuse and that are required to provide extended periods of hard braking. The high boiling point means that you have consistent braking for longer and more ride time between bleeds. The bottle even comes vacuum sealed, ensuring that there are no bubbles in the fluid before you begin your bleed.Features: DOT-5.1 non-silicone formulated hydraulic brake fluid Designed to maximize the performance of Avid brakes Much higher boiling point than DOT 3 and 4 fluids Vacuum sealed 4oz bottleBuy Avid Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Colnago Cork Bar Tape - Orange, Orange
  • £11.49

Colnago Cork Bar TapePrepared for any occasion, this bar tape features a grippy cork construction. This makes it perfect for road cyclists who enjoy riding in all-weather conditions, as it gives them a secure hold in wet and slippery conditions. Coming equipped with a UV-resistant finish with a Colnago embossed logo on its design, this bar tape won't fade when riding on a sunny day. Coming complete with Colnago branded bar ends and finishing tape, this bar tape is a perfect choice of upgrade for easy installation. Features: Material: CorkFinish: Smooth with Colnago embossed logoUse: RoadSingle or Pair: PairGel or Tape: TapeBar Ends Included: YesFinishing Tape Included: YesWeight: 60g (approx)Manufacturer Part Numbers: Pink: 1NSM.CLN.CRK.000.00PKOrange: 1NSM.CLN.CRK.000.00ORGrey: 1NSM.CLN.CRK.000.00ANYellow: AMN0020-8Light Blue: 1NSM.CLN.CRK.000.00LBLight Grey: AMN0020SBuy Colnago Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Velo City Bike Saddle (VL-3137) - white-grey, white-grey
  • £11.49
  • RRP £29.99
  • Saving you £62

Velo City Bike Saddle (VL-3137)Perfect for commuting from A to B, this high-quality saddle features a durable synthetic cover that allows for easy position changes and increased comfort on your travels. Velo has also equipped this model with tough steel rails, so riders can benefit from a strong and secure hold to their seatpost wherever their next ride takes them. Whether you're into road, trekking or city riding disciplines, this versatile saddle is a great choice of upgrade for comfort, support and reliability as you clock up the miles.Features: Cover Material: Synthetic Rails Material: Steel Use: Road, Trekking and City Dimensions: 165x280mmWeight: 412gBuy Velo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Eco Sealant - 500ml}
  • £11.49
  • RRP £14.99
  • Saving you £23

Joe's No Flats Eco SealantThe new generasion in puncture prevention! Latex free, ammonium free and protein free. The best sealant in the market - specifically developed for light TLR/ TNT tubeless tyres with thin side walls.Please note: This sealant is not compatible with CO2 cartridges.Features: Suitable for sensitive rims and tyres. Suitable for people with allergy and sensitivity to latex. For use in tubeless tyres and inner-tubes. Instantly seals punctures in the tread up to 6mm more permanently than any other sealant on the market. Does not build a sticky substance in the tyre. Easy to use spout (supplied with 60ml and 125ml bottles only) - fits into all valves. Contains micro-sealing particles. Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Castelli Endurance 15 Sock SS22 - Dark Gray-Sky Blue-Red - XXL}, Dark Gray-Sky Blue-Red
  • £11.40
  • RRP £19.00
  • Saving you £40

Castelli Endurance 15 Cycling SocksMade to bring comfort on your longest days in the saddle, with the Castelli Endurance 15 Cycling Socks you'll enjoy soft, light and breathable performance. Socks are an often overlooked part of a cyclists kit. But great socks make a huge difference to your on-the-bike comfort, and they don't come much better than the Endurance 15 Cycling Socks.All-day pedalling comfort all starts with their 200-needle construction. This super-fine construction method gives a snug and luxurious fit, while also giving excellent durability. The Bioceramic yarns are also impressively quick to draw away sweat while also combatting the build-up of smell-causing bacteria. Castelli have added some cushioning on the underside of the socks, easing pressure points where you press down on the pedals. Reinforced toe and heel zones add durability and a midfoot band gives support and prevents slipping. Features:Materials: 55% Polyester, 35% Polyamide, 10% Elastane200-needle construction for extra stretchBioceramic yarns for all-day comfortUnder-foot cushioningReinforced heel and toeMidfoot support band15cm cuff lengthBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Castelli Endurance 15 Sock SS22 - Dark Gray-Sky Blue-Red - S/M}, Dark Gray-Sky Blue-Red
  • £11.40
  • RRP £19.00
  • Saving you £40

Castelli Endurance 15 Cycling SocksMade to bring comfort on your longest days in the saddle, with the Castelli Endurance 15 Cycling Socks you'll enjoy soft, light and breathable performance. Socks are an often overlooked part of a cyclists kit. But great socks make a huge difference to your on-the-bike comfort, and they don't come much better than the Endurance 15 Cycling Socks.All-day pedalling comfort all starts with their 200-needle construction. This super-fine construction method gives a snug and luxurious fit, while also giving excellent durability. The Bioceramic yarns are also impressively quick to draw away sweat while also combatting the build-up of smell-causing bacteria. Castelli have added some cushioning on the underside of the socks, easing pressure points where you press down on the pedals. Reinforced toe and heel zones add durability and a midfoot band gives support and prevents slipping. Features:Materials: 55% Polyester, 35% Polyamide, 10% Elastane200-needle construction for extra stretchBioceramic yarns for all-day comfortUnder-foot cushioningReinforced heel and toeMidfoot support band15cm cuff lengthBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Castelli Endurance 15 Sock SS22 - Dark Gray-Sky Blue-Red - L/XL}, Dark Gray-Sky Blue-Red
  • £11.40
  • RRP £19.00
  • Saving you £40

Castelli Endurance 15 Cycling SocksMade to bring comfort on your longest days in the saddle, with the Castelli Endurance 15 Cycling Socks you'll enjoy soft, light and breathable performance. Socks are an often overlooked part of a cyclists kit. But great socks make a huge difference to your on-the-bike comfort, and they don't come much better than the Endurance 15 Cycling Socks.All-day pedalling comfort all starts with their 200-needle construction. This super-fine construction method gives a snug and luxurious fit, while also giving excellent durability. The Bioceramic yarns are also impressively quick to draw away sweat while also combatting the build-up of smell-causing bacteria. Castelli have added some cushioning on the underside of the socks, easing pressure points where you press down on the pedals. Reinforced toe and heel zones add durability and a midfoot band gives support and prevents slipping. Features:Materials: 55% Polyester, 35% Polyamide, 10% Elastane200-needle construction for extra stretchBioceramic yarns for all-day comfortUnder-foot cushioningReinforced heel and toeMidfoot support band15cm cuff lengthBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Castelli Summer Head band - Black - One Size}, Black
  • £11.40
  • RRP £19.00
  • Saving you £40

Castelli Summer Head bandThe Castelli Summer Headband is the perfect under-helmet addition for those hot summer rides. Designed to be a wicking layer, the Castelli Summer Headband will soak up the moisture and avoid the problem of sweat from dripping down onto your face and eyes when riding.Features:Material: Polyester 81%, Elastane, 19%Wicking layer to keep sweat out of your eyesMesh panel construction for ventilationFits under helmetBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Alé Team Socks - Black - S}, Black
  • £11.40
  • RRP £17.99
  • Saving you £37

Alé Team SocksFresh and sweat free feet are happy feet, the Ale Team Socks make cycling a more comfortable affair when the heat of summer arrives.The Team Socks make use of Meryl Skinlife, this soft and lightweight material does a brilliant job of removing sweat from the skin before it can cause discomfort. While the Meryl Skinlife keeps sweat under control the mesh zones keep air circulating over the foot, speeding sweat evaporation for greater cooling and even more comfort when pushing on the pedals. FeaturesMaterials: 80% Polyamide, 20% ElastaneMeryl Skinlife socksToe and heel in no-blister fabric20 cm cuffBuy Alé Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Original Stripes Crew Socks AW21 - White - S}, White
  • £11.36
  • RRP £15.95
  • Saving you £29

GripGrab Original Stripes Crew SocksA modern take on the classic 1970s sports socks, the GripGrab Original Stripes Crew Socks are both stylish and comfortable choice for almost any sporting activity. Made from lightweight COOLMAX® Eco-made fabric, the Original Stripes Crew Socks are incredibly good at dealing with any moisture build-up. Letting sweat-vapour escape and wicking away moisture, they'll ensure your feet remain cool and fresh as the day warms up. A stretch arch support and low-bulk fabrics give a snug fit, perfect to slip inside any sports shoes. Be it pushing pedals or pounding pavements, the light compression delivers unrivalled comfort. With their ribbed structure and retro-striped design, they look the part too. No matter what the day holds for you, be it an active day or a day of relaxation, it will be a retro revival; and with modern fabric-tech, you'll now feel as cool as you look. So classic. So comfortable. You'll never take the Original Stripes Crew Socks off.Features:Materials: 88% Polyester, 8% Polyamide, 4% ElastaneLightweight COOLMAX® Eco-made fabricBreathable and heat regulatingMoisture-wickingStretch arch supportLight compressionBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Original Stripes Crew Socks AW21 - White - M}, White
  • £11.36
  • RRP £15.95
  • Saving you £29

GripGrab Original Stripes Crew SocksA modern take on the classic 1970s sports socks, the GripGrab Original Stripes Crew Socks are both stylish and comfortable choice for almost any sporting activity. Made from lightweight COOLMAX® Eco-made fabric, the Original Stripes Crew Socks are incredibly good at dealing with any moisture build-up. Letting sweat-vapour escape and wicking away moisture, they'll ensure your feet remain cool and fresh as the day warms up. A stretch arch support and low-bulk fabrics give a snug fit, perfect to slip inside any sports shoes. Be it pushing pedals or pounding pavements, the light compression delivers unrivalled comfort. With their ribbed structure and retro-striped design, they look the part too. No matter what the day holds for you, be it an active day or a day of relaxation, it will be a retro revival; and with modern fabric-tech, you'll now feel as cool as you look. So classic. So comfortable. You'll never take the Original Stripes Crew Socks off.Features:Materials: 88% Polyester, 8% Polyamide, 4% ElastaneLightweight COOLMAX® Eco-made fabricBreathable and heat regulatingMoisture-wickingStretch arch supportLight compressionBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Original Stripes Crew Socks AW21 - White - L}, White
  • £11.36
  • RRP £15.95
  • Saving you £29

GripGrab Original Stripes Crew SocksA modern take on the classic 1970s sports socks, the GripGrab Original Stripes Crew Socks are both stylish and comfortable choice for almost any sporting activity. Made from lightweight COOLMAX® Eco-made fabric, the Original Stripes Crew Socks are incredibly good at dealing with any moisture build-up. Letting sweat-vapour escape and wicking away moisture, they'll ensure your feet remain cool and fresh as the day warms up. A stretch arch support and low-bulk fabrics give a snug fit, perfect to slip inside any sports shoes. Be it pushing pedals or pounding pavements, the light compression delivers unrivalled comfort. With their ribbed structure and retro-striped design, they look the part too. No matter what the day holds for you, be it an active day or a day of relaxation, it will be a retro revival; and with modern fabric-tech, you'll now feel as cool as you look. So classic. So comfortable. You'll never take the Original Stripes Crew Socks off.Features:Materials: 88% Polyester, 8% Polyamide, 4% ElastaneLightweight COOLMAX® Eco-made fabricBreathable and heat regulatingMoisture-wickingStretch arch supportLight compressionBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Original Stripes Crew Socks AW21 - White - XS}, White
  • £11.36
  • RRP £15.95
  • Saving you £29

GripGrab Original Stripes Crew SocksA modern take on the classic 1970s sports socks, the GripGrab Original Stripes Crew Socks are both stylish and comfortable choice for almost any sporting activity. Made from lightweight COOLMAX® Eco-made fabric, the Original Stripes Crew Socks are incredibly good at dealing with any moisture build-up. Letting sweat-vapour escape and wicking away moisture, they'll ensure your feet remain cool and fresh as the day warms up. A stretch arch support and low-bulk fabrics give a snug fit, perfect to slip inside any sports shoes. Be it pushing pedals or pounding pavements, the light compression delivers unrivalled comfort. With their ribbed structure and retro-striped design, they look the part too. No matter what the day holds for you, be it an active day or a day of relaxation, it will be a retro revival; and with modern fabric-tech, you'll now feel as cool as you look. So classic. So comfortable. You'll never take the Original Stripes Crew Socks off.Features:Materials: 88% Polyester, 8% Polyamide, 4% ElastaneLightweight COOLMAX® Eco-made fabricBreathable and heat regulatingMoisture-wickingStretch arch supportLight compressionBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos GT Socks C2 - Black Series - M}, Black Series
  • £11.25
  • RRP £15.00
  • Saving you £25

Assos GT Socks C2With improvements to ventilation and fabrics, the classic Assos GT Socks C2 are now even better at keeping your feet comfortable when cycling during the heat of summer. A 16cm cuff also offers a clean and modern aesthetic.The ethos behind the GT Socks C2 is all about creating a sock you'll forget is even there, such is their comfort. Updated and highly functional fabrics are quicker than ever at dealing with moisture, preventing sweat pooling on the skin and causing you discomfort. Odour resistance is also built-in and drying times are incredibly quick too, both delivering freshness during and after your ride.Ventilation is also improved, boosting cooling airflow to your feet when the heat is high. The updated yarns offer support across the metatarsals, arch, and ankle, giving comfort for rides both long and short. Assos have also minimised seams in their construction, reducing the risk of abrasion and irritation.FeaturesMaterials: 90% Polyamide, 10% ElastaneImproved ventilationExceptional breathability and quick-drying timesLight compressionInherent silver microparticles for odour control16cm Cuff HeightBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos GT Socks C2 - Holy White - L}, Holy White
  • £11.25
  • RRP £15.00
  • Saving you £25

Assos GT Socks C2With improvements to ventilation and fabrics, the classic Assos GT Socks C2 are now even better at keeping your feet comfortable when cycling during the heat of summer. A 16cm cuff also offers a clean and modern aesthetic.The ethos behind the GT Socks C2 is all about creating a sock you'll forget is even there, such is their comfort. Updated and highly functional fabrics are quicker than ever at dealing with moisture, preventing sweat pooling on the skin and causing you discomfort. Odour resistance is also built-in and drying times are incredibly quick too, both delivering freshness during and after your ride.Ventilation is also improved, boosting cooling airflow to your feet when the heat is high. The updated yarns offer support across the metatarsals, arch, and ankle, giving comfort for rides both long and short. Assos have also minimised seams in their construction, reducing the risk of abrasion and irritation.FeaturesMaterials: 90% Polyamide, 10% ElastaneImproved ventilationExceptional breathability and quick-drying timesLight compressionInherent silver microparticles for odour control16cm Cuff HeightBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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