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

Race Face Outer Ring Bolt Set - Black - 5 Pack}, Black
  • £3.99
  • RRP £4.95
  • Saving you £19

Race Face Outer Ring Bolt SetThe essential Outer Ring Bolt Set to have in your workshop, this Race Face set includes everything you need for your outer chainring. Made from durable stainless steel, they feature the Race Face logo and are designed for multi-ring chainsets. Features:Material: Stainless SteelLength: 10mm (8mm thread length)Not suitable for single ring use, designed for multi-ring chainsetsBuy RaceFace Outer Ring Bolt Set from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Poly Bashguard Fastener Bolt Kit - Black - 4 Pack}, Black
  • £3.99
  • RRP £4.99
  • Saving you £20

Race Face Poly Bashguard Fastener Bolt KitGenuine Raceface replacement fixing bolts designed to attach the Poly bashguard to chainring.Features:Stainless steel Buy RaceFace Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Sniper Slide On Grips - Red, Red
  • £3.99
  • RRP £11.99
  • Saving you £67

Race Face Sniper Slide On GripsOften overlooked, the value of a good set of grips should not be underestimated. It is one of the three important points of contact between you and your bike. A good set of grips will offer you more control and lessen hand fatigue while riding.• Manufactured for us by ODI • Narrow but comfortable grip profile • Proprietary dual-surface texture for complete control.• Built for: XC/AM/DHBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano XTR Di2 Front Derailleur Mount Adapter - Low Clamp}
  • £3.99
  • RRP £29.99
  • Saving you £87

Shimano XTR Di2 Front Derailleur Mount AdapterDirect mount adapter to fit XTR Di2 front derailleur to a direct mount design frameAvailable in the following fitments: Direct mountE-type mountHigh clamp band, multi fitLow clamp band, multi fitA 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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Schwalbe Road Tube - 60mm Valve
  • £3.99
  • RRP £8.49
  • Saving you £53

Schwalbe Road TubeThis Road Tube from Schwalbe ticks all the boxes. Not only is it reliably air-tight, but thanks to its distinctive rubber composition it guarantees less loss of air. As in all Schwable products, it has been rigorously tested to meet their high standards of quality and control. Features:Extremely air-tight. Less air loss means having to inflate less. A unique rubber mixture makes it possible.Extremely reliable. Each Schwalbe tube is individually examined twice at the factory to ensure air-tightness. Special quality control that prevents unpleasant surprisesQuality road tubeBuy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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HIGH5 Limited Edition Mixed Gel Pack - 10x40g
  • £3.99
  • RRP £13.49
  • Saving you £70

HIGH5 Limited Edition Mixed Gel PackTake your training to the next level with the HIGH5 Limited Edition Mixed Gel Pack, which contains a range of HIGH5’s Energy Gels, with a mix of flavour, and including gels with added caffeine and HIGH5’s Energy Gel Aqua.In the Box1 x Berry Energy Gel Aqua (40g)1 x Orange Energy Gel Aqua (40g)1 x Citrus Energy Gel Aqua + Caffeine (40g)1 x Banana Energy Gel (40g)1 x Berry Energy Gel (40g)1 x Citrus Energy Gel (40g)1 x Mango Energy Gel (40g)1 x Orange Energy Gel (40g)1 x Orange Energy Gel + Caffeine (40g)1 x Raspberry Energy Gel + Caffeine (40g)Energy GelA refreshing, great-tasting sports fuel which provides 23g of carbohydrate per gel. With a lightweight consistency the gels are easy to consume, with a natural fruit flavour, that isn’t overly sweet.Directions for UseTear the top off the energy gel sachet and drink directly from the sachet. For best results consume up to three sachets per hour, great for before and during exercise. Consume less if you are also using an energy drink.Nutritional Information BerryCitrusMangoOrangePer 100gPer 40g GelPer 100gPer 40g GelPer 100gPer 40g GelPer 100gPer 40g GelEnergy (kJ/Kcal)969/228388/91969/228388/91969/228388/91969/228388/91Fat (g)00000000of which Saturates (g)00000000Carbohydrates (g)5723572357235723of which Sugars (g)7.436.22.57.437.43Protein (g)00000000Salt (g)0.120.050.120.050.120.050.120.05IngredientsBerry: Glucose Syrup, Water, Maltodextrin, Fruit Juice Concentrate (Crandberry 1%, Raspberry 1%), Acidity Regulators (Sodium Citrates, Citric Acid), Sodium Chloride, Preservatives (Potassium Sorbate, Sodium Benzoote), Natural Flavourings.Citrus: Glucose Syrup, Water, Maltodextrin, Fruit Juice Concentrate (Lemon 1%, Lime), Acidity Regulator (Sodium Citrates), Sodium Chloride, Preservatives (Potassium Sorbate, Sodium Benzoote), Natural Flavouring.Mango: Glucose Syrup, Water, Maltodextrin, Fruit Juice Concentrate (Mango 2%, Lemon), Acidity Regulators (Sodium Citrates, Citrates), Sodium Chloride, Preservatives (Potassium Sorbate, Sodium Benzoate), Natural Flavouring.Orange: Glucose Syrup, Water, Maltodextrin, Fruit Juice Concentrate (Orange 2%, Lemon, Blood Orange), Acidity Regulator (Sodium Citrates), Sodium Chloride, Preservatives (Potassium Sorbate, Sodium Benzoote), Natural Flavouring.Allergen Information: For allergen information see ingredients in bold.Energy Gel + CaffeineThe HIGH5 Energy Gel + Caffeine takes things one step further, with added caffeine, which can help you fight off fatigue and keep your focus before and during sporting activities.Directions for UseEasy to consume on the go, tear the top of the sachet and drink the gel directly from the sachet. For best results consume up to 3 sachet gels per hour during exercise, less if you are also using a sports drink.Nutritional Information OrangeRaspberryPer 100gPer 40g GelPer 100g Per 40g GelEnergy (kJ/Kcal)952/224381/90652/224381/90Fat (g)0000Carbohydrates (g)56235623of which Sugars (g)7.42.96.82.7Protein (g)0000Salt (g)0.120.050.120.05Caffeine (mg)75307530IngredientsOrange: Glucose, water, maltodextrin, fruit juice (raspberry, cranberry), acidity regulators (tri sodium citrate, citric acid), natural flavouring, tea extract (contains caffeine), sea salt, preservatives (potassium sorbate, sodium benzoate).Raspberry: Glucose, water, maltodextrin, fruit juice (orange, lemon), acidity regulators (tri sodium citrate, citric acid), natural flavouring, tea extract (contains caffeine), sea salt, preservatives (potassium sorbate, sodium benzoate).Allergen Information: For allergen information see ingredients in bold.Energy Gel AquaWith a lighter consistency than regular energy gels, and a consistency closer to the an energy drink, the Energy Gel Aqua ensures easy consumption and easy consumption. Meanwhile, the class rip-off sachet design makes the Energy Gel Aqua ideal for cyclists and runners.Directions for UseTear the top of the sachet and drink the gel directly from the sachet. Take up to three sachets per hour during exercise, less if you are also using a sports drink.Nutritional Information BerryOrangePer 100gPer 40g GelPer 100gPer 40g GelEnergy (kJ/Kcal)612/144404/95612/144404/95Fat (g)0000Carbohydrates (g)36233623of which Sugars (g)5353Protein (g)0000Salt (g)0.10.070.10.07Caffeine (mg)0000IngredientsOrange: Water, Glucose, Maltodextrin, Fruit Juice (Orange, Lemon), Acidity Regulator (Tri Sodium Citrate, Citric Acid, Malic Acid), Preservatives (Potassium Sorbate, Sodium Benzoate), Sea Salt, Natural Flavouring.Berry: Water, Glucose, Maltodextrin, Fruit Juice (Blueberry, Raspberry, Blackcurrant), Acidity Regulators: (Tri Sodium Citrate, Citric Acid, Malic Acid), Natural Flavouring, Preservatives (Potassium Sorbate, Sodium Benzoate), Sea Salt.Allergen Information: For allergen information see ingredients in bold.Energy Ge Aqua + CaffeineThe Energy Gel + Caffeine provides an extra boost with 23mg of added caffeine – caffeine can help improve focus and helps to fight off fatigue. Great for before and during training and racing sessions.Directions for UseTear the top off the sachet and drink the gel directly from the sachet. Take up to three sachet per day, before or during exercise, less if you are also using a sports drink.Nutritional InformationIngredientsCitrus: Water, Glucose Syrup, Maltodextrin, Fruit Juice Concentrate (Orange, Lemon 0.2%, Lime), Acidity Regulators (Sodium Citrates, Citric Acid, Malic Acid), Caffeine, Sodium Chloride, Preservatives (Potassium Sorbate, Sodium Benzoate), Natural Flavouring.Allergen Information: For allergen information see ingredients in bold.  FeaturesEnergy Gels Aqua delivers a great tasting sports gel to fuel your body for that instant burst of energyEnergyGel delivers pure carbohydrate for instant energy, is race proven in the World's toughest racesEnergyGel contains electrolytes for maximum water and carbohydrate absorption and a natural sourceWiggle exclusive packContains a mix of ten gels including Energy Gels and Energy Gels AquaSuitable for vegetarians and vegansBuy HIGH5 Endurance from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Clip-On Safety Light
  • £3.99
  • RRP £4.99
  • Saving you £20

LifeLine Clip-On Safety LightThis Clip-On Safety Light from LifeLine is weather-resistant and provides great visibility in low-light. You can choose between constant or strobe light mode and it can be clipped to almost any piece of equipment.Features:Steady and strobe light modesProvides great visibilityClip fixingWeather resistantBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Ravemen GoPro Mount Adaptor - Black - ABM04}, Black
  • £3.99

Ravemen GoPro Mount AdaptorThe Ravemen GoPro Mount Adaptor allows mounting of lights with a GoPro mount.Features: Genuine Ravemen spare parts Part Number: ABM04 35411Buy Ravemen Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Rear Clip-On Mudguard - Black, Black
  • £3.99
  • RRP £5.99
  • Saving you £33

LifeLine Rear Clip-On MudguardLifeLine's Rear Mudguard is a quick, easy, and cost-effective way to protect your rear end from road spray. It is compatible with all two-railed saddles and can be simply fitted by hand without the need for additional tools. LifeLine's Rear Mudguard can be successfully installed in a matter of seconds. When the weather is unpredictable, simply clip on this handy accessory and, if the rain falls, your behind won't be saturated with road spray.Features:Compatible with all two-railed saddlesEasy to fitNo tools or adapting requiredBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Threaded Storage Hooks - Black - Standard}, Black
  • £3.99

LifeLine Threaded Storage HooksLifeLine Threaded Storage HookLifeLine Threaded storage hooks easily screw into wooden rafters, beams or rails  to help you organise your garage and are perfect for hanging bikes, wheels, tools and accessories. Features:  Manufactured from Steel for durability  Vinyl coated to prevent scratching paint  Threaded on the end so you can easily screw them into wooden rafters, beams or rails Buy LifeLine Accessories 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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Gloworm Replacement Optics (G1.0-G2.0) - Clear - Flood, 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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Gloworm Universal Helmet Mount Base Plate - Black - Plate Only}, Black
  • £3.99
  • RRP £5.99
  • Saving you £33

Gloworm Universal Helmet Mount Base PlateThe Universal Helmet Mount Base Plate from Gloworm is compatible with the GoPro mounting clip and enables secure and convenient helmet mounting of Gloworm lights and GoPro cameras.The Gloworm Helmet Mount Base Plate is designed for use with the Gloworm Universal Helmet Mount and Gloworm QR Helmet Mount Features: Base Plate Compatible with the GoPro mounting clipBuy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Tubeless Presta Alloy Valve Kit - Black Anodised - 60mm}, Black Anodised
  • £3.99
  • RRP £24.99
  • Saving you £84

Joe's No Flats Tubeless Presta Alloy Valve KitFree to ride, travel, explore, commute or compete, Joe's No Flats provides the bicycle market with the World's most effective tubeless solutions. This Tubeless Presta Alloy Valve Kit contains two 32mm tubeless French/Presta valves that will fit all rims, whether standard or tubeless.Features:2x 32mm Tubeless French/Presta valvesFits all rims, standard and tubelessHigh-quality spare partBuy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Tubeless Repair Kit
  • £3.99
  • RRP £4.99
  • Saving you £20

LifeLine Tubeless Repair KitThe ideal kit for any riders who whose tubeless tyres, this Tubeless Repair Kit from LifeLine is an everyday riding essential that will get your bike up and running in no time. The kit includes 5 thick and 5 thin seals to fit whatever damage your tyre encounters.Easy to use, all you need to do is mark the inner tyre area with the crayon supplied, clean the hole and fill with the rubber adhesive then apply the seal with the claw tool. Then all you need to do is remove the claw tool and cut off the excess seal and you're ready to hit the road again.    Features: Kit Includes:CrayonRubber solutionReamer toolClaw toolKnife5x thick tyre seals5x thin tyre sealsBuy LifeLine Wheels & Tyres 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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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 Lightweight Road Inner Tube - 28-35mm
  • £3.99
  • RRP £4.99
  • Saving you £20

LifeLine Lightweight Road Inner TubeLifeline's Lightweight Road Tube provides excellent value for money and is ultra-light at only 80g for the 48mm option and 81g for the 60mm. Produced from high quality butyl rubber and rigorously tested to guarantee no air leakage, this Lightweight Road Tube provides first-class weight-savings, reliability, and durability - everything you want, and need, from an inner tube.Features: Material: Butyl Rubber 0.73mm thick walls Air leakage tested Great value Presta valve Includes lock ring and cap Non-removable valve cores Recycled packaging Made in Indonesia Weights: (all weights +/- 10%) 700 x 18-25mm Presta 48mm: 104g 700 x 18-25mm Presta 60mm: 116g 700 x -28-35mm Presta 60mm: 115g Buy Lifeline Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Impac AV Inner Tube - 28c - 32c
  • £3.99
  • RRP £5.99
  • Saving you £33

Impac AV Inner TubeThis Inner Tube from Impac is manufactured by Schwalbe under the Impac brand name. It is an excellent performer and is superb value for money.Features: High-Quality Butyl Inner Tube Valve Type: SchraderBuy Impac Tyres & Tubes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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