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

Nukeproof Kevlar Chainstay Protector - Black - Medium - 120 x 240mm}, Black
  • £8.99

Nukeproof Kevlar Chainstay Protector The Nukeproof logo chainstay protector has evolved. The new Nukeproof Embossed logo chainstay protector is constructed from a mix of TKL (Kevlar) and neoprene; to produce a product which will provide quiet and long lasting chain slap protection for your frame.It is attached via a Velcro closure running the length of the material and to ensure it stays securely in place it has anti-slip rubber on the back. Due to the nature of the new material it is slightly less elastic than traditional neoprene chainstay protectors so you will need to order the correct size to fit your frame. Features: Medium - 24cm long x 12cm wide - Designed to fit the Nukeproof Mega TR, Scalp and Pre 2013 Mega. Large - 24cm long x 13.5cm wide - Designed to fit the Nukeproof Mega AM, Rook and Pulse.Once in place you will be amazed by how long it lasts, stays in place and how quiet your bike rides!Buy Nukeproof Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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dhb Medium Saddle Bag - Black - One Size}, Black
  • £8.99
  • RRP £18.00
  • Saving you £50

dhb Medium Saddle BagThe dhb Medium Saddle Bag is an extendable, aero-shaped bag perfect for storing your ride essentials. A water-resistant fabric protects your kit from road spray and features a loop to attach your rear light.A perfect companion for any ride, the dhb Medium Saddle Bag allows you to carry everything from inner tubes, tyre levers, puncture repair kit and multi tool to packable jacket. Attaching easily to any railed saddle, you can focus on the ride knowing your kit is safe and secure.This bag is extendable – expanding the capacity from 0.7L to 1L while retaining its aerodynamic shape. Simply undo the central zip to stash more kit or even snacks. The bag also features a small internal mesh pocket, easy-grip zip pulls and light attachment loop, positioned for optimum visibility.Features:Expansion zip to increase capacityWater-resistant fabricHook-and-loop fastening systemYKK zipsLight attachment loop (light not included)Small internal mesh pocketMax dimensions: 220 x 110 x 110mmCapacity: 0.7-1LWeight: 125gBuy dhb Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Defeet Aireator Womens 4" Unicorn Socks - Black-White - L}, Black-White
  • £8.99
  • RRP £14.99
  • Saving you £40

Defeet Aireator Womens 4’’ Unicorn SocksSo good their almost mythical. DeFeet’s Aireators are the gold standard in cycling socks and are both affordable and incredibly durable. The socks come with a specialised meshing construction for the ultimate in comfort and breathability.FeaturesThe original DeFeet sock, the Aireator, has been consistently upgraded and remains the gold standard of cycling socksAffordable and incredibly durableThe most popular cycling sock the world has ever knownDeFeet Aireator mesh for superior breathability and comfortThe first sock to incorporate this type of open-mesh constructionEco-friendly: Made from recycled water bottles in North Carolina, USAMachine washable, on coldTumble dryable, on lowWomen’s specific fitGreat for hiking, running and cyclingBuy Defeet Socks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stans No Tubes Valve Core Remover
  • £8.99
  • RRP £10.00
  • Saving you £10

Stans No Tubes Valve Core RemoverEasily remove Presta and Schrader valve cores with this Valve Core Remover from Stans No Tubes. Made from CNC 6061 aluminium and featuring an anodized finish, it slots in between spokes for seamless core removal without the hassle. Features:Use: Commuter, Touring, Cyclocross, Road, Mountain BikeUse in conjunction with their Sealant Injector or 2-ounce refill bottleHigh-quality tool is fully CNC 6061 aluminium, red anodised, and features a laser etchedKnurled end for a non-slip gripAnodized finishLaser-etched logoWeight: 10.5gBuy Stan's No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Maxxis Ultralight MTB Tube - 48mm Valve
  • £8.99
  • RRP £9.99
  • Saving you £10

Maxxis Ultralight MTB TubeMaxxis Ultralight tubes are the standard in performance inner tubes for racing and training. Ultralight tubes are 0.60mm thin for weight consideration without loss of performance.Features: 0.60mm thin walls. Lightweight and durable racing tires. Weight: 145g.Buy Maxxis Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Slime Smart Mountain Bike Inner Tube - 27.5" (650b)
  • £8.99
  • RRP £11.99
  • Saving you £25

Slime Smart Mountain Bike Inner TubeIf you want to seriously reduce your chances of suffering a puncture when out on a ride, the Smart Mountain Bike (MTB) Inner Tube is for you. Created by puncture prevention specialists Slime, it comes pre-installed with the sealant, so you can install it just as easily as a standard type and then ride on tough terrain and over damaged roads with extra confidence.Features: Material: Butyl Rubber Quickly seals tread area punctures Valve Type: Presta and Schrader options available to select Valve Core Removeable: No Valve Length: Presta Option: 48mm; Schrader Option: 40mmBuy Slime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Joe's Self Sealing Inner Tube - 29"
  • £8.99
  • RRP £12.99
  • Saving you £31

Joe's No Flats Joe's Self Sealing Inner TubeNo Flats Joe's Self Sealing Inner Tube26X1.75-2.125 Auto / Schrader valve innertube prefilled with Joe's Super Sealant. High quality innertube prefilled with the world's leading tire sealant, prevents flats by instantly sealing punctures in the tread area of the tire up to 1/8”.Buy No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Maxxis Freeride Mountain Bike Inner Tube - 36mm Valve
  • £8.99
  • RRP £12.99
  • Saving you £31

Maxxis Freeride MTB TubeDesigned to handle the rough terrain of freeriding, Maxxis' tubes have 1.2mm-thick walls for optimum puncture resistance. Presta and Schrader valves available. Features: Weight: 295g (26"), 327g (27.5" ) Size: 2.2-2.5"Valve: Presta or SchraderBuy Maxxis Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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HIGH5 Isotonic Hydration Drink (300g)
  • £8.99

HIGH5 Isotonic Hydration Drink (300g)Keeping you energised and hydrated, the HIGH5 Isotonic Hydration Drink if formulated for athletes, with a unique blend of electrolytes and carbohydrates.The Isotonic Hydration Drink is a drink powder that mixes with water to create a refreshing, great-tasting sports drink. Made with a blend of fast-release, multi-carbohydrates the drink keeps you energised during intense exercise. Meanwhile, keeping you hydrated, the Isotonic Hydration Drink also replenishes the five key electrolytes that are lost through sweat: sodium, potassium, magnesium, chloride, and calcium.Added postbiotics (heat-treated microflora), and calcium also aid in the digestion of the sports drink. Postbiotics are similar to probiotics, but they have been grown to maturity and heat treated so that they take effect immediately.Directions for UseFor best results mix a 30g scoop (scoop included) of the HIGH5 Isotonic Hydration Drink powder into 500ml of water and shake well. Consume before and during exercise. Drink 150-250ml every 20 minutes.Nutritional Information BlackcurrantTropicalPer 100gPer 30g ServingPer 100gPer 30g ServingEnergy (kJ/Kcal)1581/372474/1121581/372474/112Fat (g)0000of which Saturates (g)0000Carbohydrates (g)93289328of which Sugars (g)84258826Protein (g)0000Salt (g)20.620.6Magnesium (mg)83258325Potassium (mg)3009030090Calcium (mg)1203612036IngredientsTropical: Sucrose, Dextrose, Food Acids (Citric Acid, Malic Acid), Sodium Citrates, Natural Flavourings, Calcium Gluconate, Potassium Citrate, Magnesium Citrate, Sea Salt, Heat-Treated Microflora.Blackcurrant: Sucrose, Dextrose, Food Acids (Citric Acid, Malic Acid), Sodium Citrates, Natural Flavourings, Calcium Gluconate, Potassium Citrate, Magnesium Citrate, Sea Salt, Heat-Treated Microflora.Allergen Information: For allergen information see ingredients in bold. May contains traces of Gluten, Egg and/or Milk.FeaturesIsotonic formulation for quick absorptionA multi-carbohydrate blend for energyContains five key electrolytes: Sodium, Magnesium, Potassium, Calcium, and ChloridePostbiotics (heat-treated microflora)Light tasting and refreshingHelps maintain hydration during exerciseMaintains your endurance performanceNot suitable for vegetarians and vegansBuy HIGH5 Hydration from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Grenade Carb Killa High Protein Shake - 330ml
  • £8.99

Grenade Carb Killa High Protein ShakeWhen you want to optimise your protein intake the Grenade Carb Killa Protein Shake is the ideal choice to get muscles the protein needed to repair and build ready for the next training session.Sold in boxes of four and giving you around 25g of protein per bottle, these Carb Killa Shakes are delicious and easy way to get the nturition you need between meals. Turning their ever popular protein bars into a shake you consume them just as you would the bars, between meals and after training for a quick protein boost. Features:Smooth & Indulgent TasteHigh protein , 25g per bottleLow sugar  Cookies and CreamChocolate MintFudge Brownie  Per 100mlPer 100mlPer 100mlEnergy (kj) 244246253Energy (kCal) 585960Fat (g)g2g2.2g2.2gof Which Saturates (g)g1.3g1.5g1.5gCarbohydrates (g)g2.8g2.2g2.7gof Which Sugars (g)g1.7g2g2.5gProtein (g)g7.2g7.5g7.4gFibre (g)g0.2g0.3g0.3gSalt (g)g0.16g0.15g0.28gIngredientsCookies & Cream: Water, 27% skimmed MILK, 7% MILK protein powder, 5% CREAM, maltodextrin, 0.5% butter biscuit, WHEAT flour, sugar, butter (MILK), powder, baking agent: potassium carbonate; salt, acidifier: citric acid), caramel sugar syrup, stabilisers: gellan gum, carrageenan; sweeteners: acesulfame k, sucralose; salt, natural flavouringFudge Brownie: Water, skimmed MILK (27%) protein blend (Casein (MILK), whey protein,(MILK), CREAM (MILK) (5%), Chocolate Powder (2.1%) (Alkalised cocoa powder, sugar), Stabilisers: Gellan gum, carrageenan; sweeteners: acesulfame K, sucralose; salt, natural flavourings.Chocolate Mint: Water, 27% skimmed MILK, 7% MILK protein powder, 5% CREAM, 2% chocolate powder (alkalized cocoa powder, sugar),maltodextrin, stabilisers: gellan gum, carrageenan; sweeteners: acesulfame k, sucralose; natural flavouring, salt.Allergy Advice; For allergens see ingredients in CAPS.Buy Grenade Products from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.

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Crud Catcher Clip-On Front Mudguard - Black, Black
  • £8.99

Crud Catcher Front Mudguard Seeing as we had updated the Raceguard, we thought we might as well do a number on the Crud Catcher as well. We basically took the futuristic shape of the old ZX Crud Catcher, and crafted a soft nose on it.While we were at it we put some protective cushioning between the frame and the blade, and moved the fixing lugs to accommodate fatter frame tubes. Features: Soft nose. Fits in seconds. Rubber frame pad. Buy Crud Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm Universal Bar Mount - Black, Black
  • £8.99
  • RRP £11.99
  • Saving you £25

Gloworm Universal Bar MountThe Universal Bar Mount from Gloworm is compatible with GoPro style light mounts. Note, the GoPro style mount is not included with this Bar Mount.The Gloworm Universal bar mount enables you to lock your Gloworm into place using the thumbscrew and nut provided. The mount features a specially designed locking tab to prevent the light from slipping so is perfect for those wanting a rigid light position particularly when riding rougher terrain.Features: Mount Includes: Universal Bar Mount adapter Thumbscrew with nut Compatible with GoPro style light mounts (not included)Buy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm Headstrap - Black - Alpha/X2 & XS}, Black
  • £8.99
  • RRP £13.99
  • Saving you £36

Gloworm HeadstrapThe Headstrap from Gloworm is durable and adjustable. Ideal for holding compatible Gloworm lights and GoPro cameras, this headstrap is comfortable and reliable for daily use.Adjustable and Durable HeadstrapThe fully adjustable Gloworm Headstrap allows you to mount the Gloworm Alpha, X2 or XS using the Gloworm Quick Release Helmet Mount (Can also be used with a GoPro Camera) or Universal Helmet Mount. Featuring comfortable and durable elastic straps, this headstrap will securely hold your light and battery pack wherever your adventure takes you.Designed to be used with the Gloworm 2 Cell battery, however, it can also be used with 4 cell batteries using the battery strap as provided with each light set. Features: Compatible with Gloworm Alpha, X2 or XS lights Must use the Gloworm Quick Release Helmet Mount Can also be used with a GoPro Camera Headstrap OnlyBuy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm Universal Light Mount - Black, Black
  • £8.99
  • RRP £11.99
  • Saving you £25

Gloworm Universal Light MountThe Universal Light Mount from Gloworm is compatible with GoPro style light mounts and is for use with the Gloworm Universal Bar Mount. Note, the bar mount is sold separately.The Gloworm universal light mount screws to the 4-bolt pattern on 2017 and newer Gloworm light models. The Universal Light Mount is compatible with the universal helmet mount or universal bar mount and can also be used on any standard GoPro style thumb screw mount.Features: Mount Includes: Universal Light Mount 4 x Screws Thumbscrew with Nut Compatible with the Universal Bar Mount (supplied separately)Buy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Avid SRAM Guide-Trail Disc Brake Pads (Steel) - Organic - Steel Backplate}
  • £8.99
  • RRP £24.00
  • Saving you £63

Avid SRAM Guide-Trail Disc Brake Pads (Steel)A genuine Avid replacement, these brake pads are assembled on to a steel backing plate to help to disperse heat build-up on long descents. This means when you're taking on a long downhill section of the trail, you'll enjoy fine modulation and fade-free braking power for longer.Reasons to Buy: A genuine Avid replacement. Disperses heat build-up on long descents. Fine modulation. Fade-free braking power for longer. Compatibility: Suits Avid Guide and SRAM X0 trail models Compound: Sintered or Organic options Comes in a pair (suitable for 1 brake)Buy Avid Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Hurricane Hi-Vis Windproof Midseason Glo - Hi Vis Yellow - XXL}, Hi Vis Yellow
  • £8.99
  • RRP £44.95
  • Saving you £80

GripGrab Hi Vis Hurricane GlovesPart of GripGrab’s range designed to deal with the nerve compression and numbness of Cyclist Palsy, the new high visibility version of the Hurricane Gloves are wind-resistant, waterproof and breathable. DoctorGel protection in the gloves is what helps to prevent numbness, and it is also excellent at reducing pins and needles so that you can ride in comfort for longer. Whatever time of year you get out on the road, the all-season Hurricane Gloves are great at keeping you seen, and the addition of a sweat wiper completes the package.Features:Material: 90% Polyester, 5% Elastane, 5% PolyamideHigh-Vis fabricWind and waterproof, breathable materialsDoctorGel™ 4mm paddingSilicone gripReflective graphicsTouch screen compatibilitySweat wiperVentilated neoprene cuffBuy GripGrab from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Schwalbe Inner Tube - 26"
  • £8.99
  • RRP £9.99
  • Saving you £10

Schwalbe Inner TubeReady for the long haul, this inner tube is pre-inflated and inserted into a mould to ensure that it's got an even wall thickness and superb air retention. Schwalbe also stores these tubes under pressure for 24 hours to test the air retention, so you can benefit from its reliable performance on your road bike. Weighing only 130g, this is a light and efficient replacement that will get you back on the road.Features: Use: Road Type: Inner tube Size: Multiple size options available to select Weight: 130g (approx)Buy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Endura BaaBaa Merino Stripe Sock II - Kingfisher Green - L/XL/XXL}, Kingfisher Green
  • £8.99
  • RRP £11.99
  • Saving you £25

Endura BaaBaa Merino Stripe Sock IIGet ready for a cosy winter full of plenty of rides thanks to the BaaBaa Merino Stripe Sock II from Endura, putting comfort and warmth first every time.The Merino wool that goes into the creation of the BaaBaa range is one of the most effective winter fabrics on the market: warming, lightweight, quick to dry and naturally resistant to odour, it’s everything you could ever want from a pair of riding socks. On a more practical level, the socks feature a slightly longer cuff to extend its warmth, and they are machine washable too.Features:Material: 50% Acrylic, 50% WoolMerino blend for soft, itch-free comfortHigh warmth to weight ratio even when wetStretch arch supportLong cuff for extra warmthEasycare machine washSingle pair packBuy Endura Clothing from Chain Reaction Cycles. The World's Largest Online Bike Store.

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Endura BaaBaa Merino Stripe Sock II - Kingfisher Green - S/M}, Kingfisher Green
  • £8.99
  • RRP £11.99
  • Saving you £25

Endura BaaBaa Merino Stripe Sock IIGet ready for a cosy winter full of plenty of rides thanks to the BaaBaa Merino Stripe Sock II from Endura, putting comfort and warmth first every time.The Merino wool that goes into the creation of the BaaBaa range is one of the most effective winter fabrics on the market: warming, lightweight, quick to dry and naturally resistant to odour, it’s everything you could ever want from a pair of riding socks. On a more practical level, the socks feature a slightly longer cuff to extend its warmth, and they are machine washable too.Features:Material: 50% Acrylic, 50% WoolMerino blend for soft, itch-free comfortHigh warmth to weight ratio even when wetStretch arch supportLong cuff for extra warmthEasycare machine washSingle pair packBuy Endura Clothing from Chain Reaction Cycles. The World's Largest Online Bike Store.

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Endura BaaBaa Merino Stripe Sock II - Blueberry - L/XL/XXL}, Blueberry
  • £8.99
  • RRP £11.99
  • Saving you £25

Endura BaaBaa Merino Stripe Sock IIGet ready for a cosy winter full of plenty of rides thanks to the BaaBaa Merino Stripe Sock II from Endura, putting comfort and warmth first every time.The Merino wool that goes into the creation of the BaaBaa range is one of the most effective winter fabrics on the market: warming, lightweight, quick to dry and naturally resistant to odour, it’s everything you could ever want from a pair of riding socks. On a more practical level, the socks feature a slightly longer cuff to extend its warmth, and they are machine washable too.Features:Material: 50% Acrylic, 50% WoolMerino blend for soft, itch-free comfortHigh warmth to weight ratio even when wetStretch arch supportLong cuff for extra warmthEasycare machine washSingle pair packBuy Endura Clothing from Chain Reaction Cycles. The World's Largest Online Bike Store.

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