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

Giro Tyrant MIPS Helmet - Matte Portaro Grey - S}, Matte Portaro Grey
  • £119.99
  • RRP £149.99
  • Saving you £20

Giro Tyrant Cycle Helmet (MIPS)For the mountain biker who isn't constrained by labels within the sport, the Giro Tyrant Cycle Helmet (MIPS) has been created to offer protection and style for anything from trail freeriding to dirt jumping to enduro and anything between. With its wrap-around head coverage, goggle compatibility and innovative new MIPS Spherical technology, the Tyrant Mountain Bike Helmet breaks new ground when it comes to comfort and multi-discipline performance for progressive riders. MIPS Spherical TechnologyMIPS Spherical technology steps up the game when it comes to protecting your brain from multiple impacts, whether fast or slow speed hits. An EPS foam layer does the job of absorbing the energy from those high-speed falls when you're at full speed on a trail.Meanwhile, a lower density EPP foam, with rebound characteristics, ensures slower-speed crashes aren't going to cause an issue either.  All this is wrapped up in Giro's Hardbody shell system to give a helmet that can take the knocks of dirt riding.Cool and FreshWhatever MTB fun you're enjoying you're bound to build up some heat and hence some sweat. But, fear not, the 14 channelled air vents let in cooling airflow so you're not a sweaty mess by the end of your biking session. You'll also enjoy a clear view when wearing goggles thanks to Giro's Channeled Stack™ ventilation at the brow. Drawing warm air away from the face it will leave goggles crystal clear and fog-free. Hardbody™ shellThe Hardbody shell wraps from the outside of the helmet to the inside, giving a significant boost to durability compared to regular helmets. The in-mould construction fuses the tough polycarbonate outer shell with the helmet’s impact-absorbing foam liner. This fusion process allows Giro to sculpt better ventilation systems, so in-mould helmets can be lighter and cooler than traditional helmets.Roc Loc® Air DH Fit SystemThe ultimate in easy adjustment, the  Roc Loc® Air DH Fit System lets you get the fit of the Tyrant just right for you. A bumper around the dial prevents accidental adjustment if in contact with a backpack and it's super-light too so nothing extra to weigh your head down. Features:Hardshell with In-mold polycarbonate Hardbody™ lower wrapMIPS Spherical TechnologyProgressive layering with EPS outer liner and EPP inner linerChannelled Stack™ ventilation at brow line14 vents with internal channellingRoc Loc® Air DH fit systemQuick-dry paddingCheek pad ventilationTool-free, bolt-on visorGoggle compatibilityShop all MIPS helmets - Click hereBuy Giro Cycling from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Merit Spherical Helmet 2022 - Matte Portaro Grey - L}, Matte Portaro Grey
  • £119.99
  • RRP £199.99
  • Saving you £40

Giro Merit Spherical HelmetMade for burly mountain biking, the Giro Merit Spherical Helmet packs in Spherical Technology powered by MIPS® to give you the ultimate protection when you get caught up in a crash. When riding fast, be it smooth flowing trails to steep and rocky chutes, the Merit Spherical Helmet brings a premium balance of airflow, comfort and optimal head protection. When it all goes a bit wrong, you can trust the Merit to deliver outstanding protection.Comprehensive head protection comes via a mix of technologies, including Spherical Technology™ power by MIPS® brain protection systems and Giro's Progressive Layering™. The in-mould shell features a shock-dissipating EPS foam liner, and here the Progressive Layering™ focuses on providing separate inner and outer layers to manage high and low-speed impacts.To the outside, the polycarbonate shell offers a durable and tough layer to resist knocks and bumps from those low hanging branches and overgrowth along the trail. This burly coverage extends fully to the bottom for maximum coverage. Spherical Technology powered by MIPS® (Multi-Directional Impact Protection System) As you'd expect, all Giro helmets are designed to not only meet but also exceed stringent safety standards. The ball and socket Spherical Technology, powered by MIPS, allows the outer liner to rotate around the inner liner during a crash, ensuring you enjoy an extra level of brain-protecting technology, designed to redirect energy and provide more protection in certain impacts.This system also eliminates contact of plastic and slip planes with your skin, boosting your overall riding comfort.Cool RidersThe 15 Wind Tunnel™ vents suck cool air inside, where it's then channelled across the head for optimal airflow. It keeps you brilliantly cool as the trail demands your full attention. This rush of airflow is also complemented by the Ionic+™ padding. With its permanent anti-microbial performance you'll enjoy the freshness and itch-free comfort whenever you ride. Roc Loc® Trail Air Fit SystemAcross rough terrain, you don't want your helmet moving about. And in a crash, a secure helmet is a safer helmet too. With the Roc Loc® Trail Air Fit System, you can be sure you always get the adjustment comfortable and secure. It allows for quick and precise single-handed adjustment with the rear dial as well as fore-aft tilt adjustment. Features:In-Mould polycarbonate shell with EPS liner and full lower hardbody coverageSpherical Technology™MIPS® brain protection systemProgressive Layering™Adjustable moto-style screw-in visorGoggle gripperIntegrated eyewear grippersIonic+™ anti-microbial paddingRoc Loc® Trail Air15 Wind Tunnel™ vents with internal channellingBuy Giro Helmets from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Merit Spherical Helmet 2022 - Matte Portaro Grey - S}, Matte Portaro Grey
  • £119.99
  • RRP £199.99
  • Saving you £40

Giro Merit Spherical HelmetMade for burly mountain biking, the Giro Merit Spherical Helmet packs in Spherical Technology powered by MIPS® to give you the ultimate protection when you get caught up in a crash. When riding fast, be it smooth flowing trails to steep and rocky chutes, the Merit Spherical Helmet brings a premium balance of airflow, comfort and optimal head protection. When it all goes a bit wrong, you can trust the Merit to deliver outstanding protection.Comprehensive head protection comes via a mix of technologies, including Spherical Technology™ power by MIPS® brain protection systems and Giro's Progressive Layering™. The in-mould shell features a shock-dissipating EPS foam liner, and here the Progressive Layering™ focuses on providing separate inner and outer layers to manage high and low-speed impacts.To the outside, the polycarbonate shell offers a durable and tough layer to resist knocks and bumps from those low hanging branches and overgrowth along the trail. This burly coverage extends fully to the bottom for maximum coverage. Spherical Technology powered by MIPS® (Multi-Directional Impact Protection System) As you'd expect, all Giro helmets are designed to not only meet but also exceed stringent safety standards. The ball and socket Spherical Technology, powered by MIPS, allows the outer liner to rotate around the inner liner during a crash, ensuring you enjoy an extra level of brain-protecting technology, designed to redirect energy and provide more protection in certain impacts.This system also eliminates contact of plastic and slip planes with your skin, boosting your overall riding comfort.Cool RidersThe 15 Wind Tunnel™ vents suck cool air inside, where it's then channelled across the head for optimal airflow. It keeps you brilliantly cool as the trail demands your full attention. This rush of airflow is also complemented by the Ionic+™ padding. With its permanent anti-microbial performance you'll enjoy the freshness and itch-free comfort whenever you ride. Roc Loc® Trail Air Fit SystemAcross rough terrain, you don't want your helmet moving about. And in a crash, a secure helmet is a safer helmet too. With the Roc Loc® Trail Air Fit System, you can be sure you always get the adjustment comfortable and secure. It allows for quick and precise single-handed adjustment with the rear dial as well as fore-aft tilt adjustment. Features:In-Mould polycarbonate shell with EPS liner and full lower hardbody coverageSpherical Technology™MIPS® brain protection systemProgressive Layering™Adjustable moto-style screw-in visorGoggle gripperIntegrated eyewear grippersIonic+™ anti-microbial paddingRoc Loc® Trail Air15 Wind Tunnel™ vents with internal channellingBuy Giro Helmets from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giro Merit Spherical Helmet 2022 - Matte Portaro Grey - M}, Matte Portaro Grey
  • £119.99
  • RRP £199.99
  • Saving you £40

Giro Merit Spherical HelmetMade for burly mountain biking, the Giro Merit Spherical Helmet packs in Spherical Technology powered by MIPS® to give you the ultimate protection when you get caught up in a crash. When riding fast, be it smooth flowing trails to steep and rocky chutes, the Merit Spherical Helmet brings a premium balance of airflow, comfort and optimal head protection. When it all goes a bit wrong, you can trust the Merit to deliver outstanding protection.Comprehensive head protection comes via a mix of technologies, including Spherical Technology™ power by MIPS® brain protection systems and Giro's Progressive Layering™. The in-mould shell features a shock-dissipating EPS foam liner, and here the Progressive Layering™ focuses on providing separate inner and outer layers to manage high and low-speed impacts.To the outside, the polycarbonate shell offers a durable and tough layer to resist knocks and bumps from those low hanging branches and overgrowth along the trail. This burly coverage extends fully to the bottom for maximum coverage. Spherical Technology powered by MIPS® (Multi-Directional Impact Protection System) As you'd expect, all Giro helmets are designed to not only meet but also exceed stringent safety standards. The ball and socket Spherical Technology, powered by MIPS, allows the outer liner to rotate around the inner liner during a crash, ensuring you enjoy an extra level of brain-protecting technology, designed to redirect energy and provide more protection in certain impacts.This system also eliminates contact of plastic and slip planes with your skin, boosting your overall riding comfort.Cool RidersThe 15 Wind Tunnel™ vents suck cool air inside, where it's then channelled across the head for optimal airflow. It keeps you brilliantly cool as the trail demands your full attention. This rush of airflow is also complemented by the Ionic+™ padding. With its permanent anti-microbial performance you'll enjoy the freshness and itch-free comfort whenever you ride. Roc Loc® Trail Air Fit SystemAcross rough terrain, you don't want your helmet moving about. And in a crash, a secure helmet is a safer helmet too. With the Roc Loc® Trail Air Fit System, you can be sure you always get the adjustment comfortable and secure. It allows for quick and precise single-handed adjustment with the rear dial as well as fore-aft tilt adjustment. Features:In-Mould polycarbonate shell with EPS liner and full lower hardbody coverageSpherical Technology™MIPS® brain protection systemProgressive Layering™Adjustable moto-style screw-in visorGoggle gripperIntegrated eyewear grippersIonic+™ anti-microbial paddingRoc Loc® Trail Air15 Wind Tunnel™ vents with internal channellingBuy Giro Helmets from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Moon Meteor Storm Pro Bike Light - Black, Black
  • £119.99

Moon Meteor Storm Bike Pro LightStay visible when cycling after dark or in low light thanks to this 2000 lumen front light from Moon.Ideal for trail railing it features a wide beam and a remote control so you can help ensure your path stays illuminated.VisibilityMoon’s Meteor Storm Pro Light comes with two CREE, high brightness LEDs, which can produce up to 2000 lumens of ultra-bright visibility. The lens has also been specially adapted to spread the light output to ensure excellent side visibility – helping you to stay seen, and to see from multiple different angles.Matrix LED DisplayIntegrated onto the top of the light is a Matrix LED Display screen which provides key mode information and your current burn time. Additionally, the display also shows your battery condition by showing when your battery is: low, charging, and fully charged.Housing UnitTo protect against the harshest elements and terrains that your ride can throw at you the light comes with a rugged CNC aluminium housing unit. The casing also comes with heat sink technology which stops the light from overheating due to long term use.MountingA universal mounting bracket is included for easy installation onto your handlebars - this works with most types of bike frames included aero and round bars. A helmet bracket is also included for quick and easy mounting to all helmet types.ChargingFor quick and easy charging, the Meteor Storm is USB rechargeable – recharging in just 6 hours with up to 150 hours of runtime.Remote ControlStay focused with the remote control which can be attached to your handlebar, so you don’t have to move your hands when switching the light on and off or changing modes.Light Modes:The light comes with ten different light modes which can easily be switched between to find the best possible lighting to suit your environment and ride length. A Day Flash mode also helps you keep seen during daylight rides.Boost: 2000 lumens – 2 hoursMode One: 1700 lumens – 3 hoursMode Two: 1150 lumens – 4 hoursMode Three: 850 lumens – 5 hoursMode Four: 450 lumens – 11 hoursMode Five: 200 lumens – 25 hoursFlash One: 100 lumens – 150 hoursFlash Two: 500 lumens – 50 hoursFlash Three: 1000 lumens – 28 hoursDay Flash: 2000 lumens – 60 hoursSOS: / - 100 hoursIn the BoxMeteor Storm Pro front lightHandlebar bracketHelmet bracketWater-resistant USB cableUSB remote control 350mmLG lithium-ion battery 3350 mAh x 2Magnetic coverFeaturesMatrix LED displayOverheat protection systemUSB rechargeable battery6 hours full recharge timeBattery light indicatorUSB remote control systemExcellent side visibilityMultiple light modesMode memory functionDay Flash modeLED Configuration: 2 pcs CREE XM-L2 high brightness LEDsMaximum Lumen Output: 2000 lumensUnit Material: CNC aluminiumBattery Type: 3.6V 6700 mAh lithium-ionMaximum Runtime: 150 hoursRecharge Time: 6 hoursCharger Included: YesHandlebar Attachments/Measurements: Multiple mounting options includedWater Rating: IPX4Dimensions: 115.5mm x 48mm x 34mmWeight: 0.215kgBuy Moon Front Lights from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Oakley EVZero Blades Polished Black Sunglasses, Polished Black
  • £119.99
  • RRP £152.00
  • Saving you £21

Oakley EVZero Blades Polished Black SunglassesFashion-forward, high-performance sunglasses that put vision first. The large toric shield plutonite lens offers the maximum in protection against impacts and abrasions. The sunglasses come with a rimless design that unipeds your vision and stretches out the peripheral vision.Meanwhile the lightweight frame is made from O-Matter with unobtainium nosepads and temples that increase grip providing an all-day level of comfort.SpecificationsFrame Colour: Polished BlackLens Colour: Prizm RoadFit: StandardFeaturesToric shield Plutonite lensRimless design for a fashion-forward styleO-Matter frame constructionUnobtainium nosepads and temples increase gripBuy Oakley Sport Sunglasses from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Garmin Varia UT800 Smart Headlight - Black, Black
  • £119.99
  • RRP £149.99
  • Saving you £20

Garmin Varia UT800 Smart HeadlightKeep you and the path illuminated when cycling in the dark or low light with this Smart Headlight from Garmen. This powerful headlight features a maximum output of 800 lumens and is compatible with your edge computer for automatic lighting that suits your needs. Smart CompatibilityYou can pair the Varia Smart Headlight to your Edge cycling computer to gain the best in automatic lighting technology. Once paired your Varia light will automatically adjust its beam dependent on your speed and ride profile. For example, when you are travelling at high speeds the Varia will provide more light than when you are travelling at slower speeds. The light also instinctively adjusts to ambient light conditions.Side VisibilityWhen cycling in built-up urban areas or using busier, multi-laned roads it’s often important not just to stay visible from the front and back but also to stay seen from multiple different angles. The Varia, therefore, has a specially designed beam that produces up to 270-degrees of visibility ensuring that you stay seen.Light ModesThe Varia comes with five different light modes which you can easily choose between depending on your current lighting environment and your battery life. The modes include:Mode One (High) – 800-lumen output and 1.5-hour battery lifeMode Two (Medium) – 400-lumen output and 3 hours battery lifeMode Three (Low) – 200-lumen output and 6 hours battery lifeMode Four (Night Flash) – 100 to 300-lumen output and 6 hours battery lifeMode Five (Day Flash) – More than 700-lumen output and 25 hours battery lifeIn the BoxVaria UT800 Smart HeadlightCharging cableUniversal out-front mountQuarter turn to friction mountManualFeaturesLumen Output: Up to 800 lumensAutomatically adjusts to ambient light conditionsCompatible with Edge cycling computers5 different light modesBattery Life: Up to 8 hours of battery lifeVisibility Angle/Distance: 270-degrees of side visibility, 1-mile visibility distanceWaterproof Rating: IPX7Dimensions: 96.6 x 33.5 x 29.7mmWeight: 130gBuy Garmin Lights from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Garmin HRM-Pro Plus Heart Rate Monitor AW22 - Black-White, Black-White
  • £119.99

Garmin HRM-Pro Plus Heart Rate MonitorThe Garmin HRM-Pro Plus Heart Rate Monitor features dual transmission, utilising ANT+® and BLUETOOTH® Low Energy technology, providing accurate heart rate data to Garmin devices, compatible fitness equipment, the Tacx® Training app and other apps.The Garmin HRM-Pro Plus Heart Rate Monitor also captures running dynamics, capturing vertical oscillation, ground contact time, stride length and more, helping you take your running performance to the next level. Plus, for indoor runs, the Garmin HRM-Pro Plus Heart Rate Monitor sends pace and distance.Easy to use, the Garmin HRM-Pro Plus Heart Rate Monitor features a tool-free quarter-turn battery door that makes for easy battery changes and improved durability. The monitor also has an extensive battery life of up to 1 year.FeaturesPremium heart rate strap transmits accurate real-time heart rate and heart rate variability dataConnects to Garmin devices, compatible fitness equipment, the Tacx® Training app and other apps via ANT+® technology and BLUETOOTH® Low Energy technology connectivityCaptures running dynamics, such as vertical oscillation, ground contact time, stride length, vertical ratio, and more, to help improve your form and enable running power on your compatible Garmin watchComputes pace and distance for treadmill or indoor track workoutsStores heart rate data during swimming or activities out of range of your watch then automatically sends the data to your compatible Garmin watch when the activity is finishedIncludes activity tracking to store steps, calories, intensity minutes and all-day heart rate then updates all Garmin devices vis the Garmin Connect™ app and the TrueUp featureSmall, lightweight heart rate monitoring module is no wider than the width of the soft, comfortable stapUp to 1 year of battery lifeBuy Garmin Heart Rate Monitors from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Osprey Transporter 40 AW21 - Black - One Size}, Black
  • £119.99

Transporter 40 Duffel BagSuitable for adventuring both home and away, the Osprey Transporter 40 Duffel Bag is a robust, versatile design that is built to be tough, weatherproof and long-lasting.Osprey's Transporter 40 Duffel Bag is a dependable, robust sidekick to various adventure activities. Built from bluesign®-approved recycled polyester with a dual-sided TPU coating inside and out, burly hardware and stiffened main body fabric, it will keep all essentials safe and protected. Plus, a PFC-free Durable Water Repellent coating ensures every ounce of water is kept out. Perfect for gear-intensive weekends or overnight trips, it can be worn as a backpack with a stowaway harness or handheld, and comes with multiple pockets to keep items organised, as well as compression straps to reduce bulk. Finished with a handy ID card holder to keep the bag easily visible. Features:Grab handle on top; Grab handle on sideSternum strap with emergency whistleEasy access liquids and valuables pocketInternal compression strap systemInternal mesh pocketsLockable zippers; Glove-friendly bucklesID card holderBluesign®-approved recycled polyester with dual-sided TPU coating inside and out; Durable and highly water resistant fabric; PFC-free Durable Water Repellent treatmentDimensions: H55 x W37 x D26cm; Capacity: 40 litres; Weight: 1.138kgConforms to EU maximum carry-on luggage sizeBuy Osprey bags from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Noosa Carbon Clip On Aero Bar - Black, Black
  • £119.99

Prime Noosa Carbon Clip On Aero BarReady for racing, this clip-on aerobar gives you light and reliable steering performance on your TT bike. It features a stiff carbon construction, which means that you'll enjoy its incredible strength to weight ratio. In addition, its construction also has vibration dampening properties, which helps to reduce fatigue and hand strain that's caused by harmful road vibrations. Coming complete with 31.8mm bar clamps, this aerobar is easy to attach and detach for riders with road or TT setups.Features: Material: Vibration dampening UD Carbon Use: Road, TT Type: Clip-on aerobar Length: 168mm Option Spacer: 30mm Clamp: 31.8mm Stack Height Optimisation: Using 30mm spacer (sold separately) Weight: 280gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Primavera Carbon Road Bike Seatpost - Black - 27.2mm, Black
  • £119.99
  • RRP £129.99
  • Saving you £8

Prime Primavera Carbon Road Bike SeatpostThis stunning seatpost is specifically designed for road use as it offers an outstanding strength to weight ratio. It features an incredibly lightweight carbon construction which offers greater flexibility, so you'll enjoy a smoother riding experience when soaring across mixed terrain conditions. Furthermore, its stainless-steel bolts are designed to keep your seatpost firmly clamped to your saddle while also delivering amazing longevity. High-Performance Road SeatpostEasy to install, Prime has made fitting and adjusting this version very simple by using a two-bolt design. This offers numerous options for its adjustability, so you'll benefit from being able to dial in your ideal saddle position with ease. To top it off, it is completed with a sleek stealth finish with subtle Prime graphics which makes it look as amazing as it performs.Features: Body Material: Carbon Fibre Bolt Material: Stainless Steel Use: Road, TT, Cyclocross Length: 350mm Diameter: 27.2 or 31.6mm options available to select Offset: 10mm Weight: 185g (27.2mm)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Evoc Stage 12L Backpack - Black - 12L}, Black
  • £119.99

Evoc Stage 12L BackpackThe Stage 12L is a compact and versatile daypack that's ideal for a day on the mountain bike. With a ventilation system to keep you comfortable and a Brace Link carrying system, the Stage is a functional, comfortable and adaptable option if you wish to travel light. Evoc's Air Flow Contact System allows the Stage to be positioned in such a way that there's optimal ventilation for the back and shoulders, together with a neutral load distribution that's transferred to your body's centre of gravity. With a Brace Link carrying system, the straps will adapt to your individual shoulder width.The Stage is constructed from a range of performance fabrics that repel water, provide ventilation and remain durable.The Stage 12L includes a range of features that will enhance your experience, whether you're using it on or off the bike. As with all Evoc backpacks, there is a separate tool compartment. An integrated rain cover offers full protection if the weather changes. There is also a separate, padded pocket for your glasses and a handy pocket in the hip belt.For long adventures, the Stage 12L can accommodate hydration bladders up to 3L (purchased separately). Your XC or DH helmet can be attached to the front of the Stage when it's not in use.Features:Designed to provide a neutral load distribution as well as maximum ventilationAttachment system for XC or DH helmetsBacklight clip, ideal for commutersTool pocket, sunglasses compartment and key holderIntegrated rain coverAccommodates hydration systems up to 3L (available separately)Fabric: Nylon 210/D Ripstop PU coated (durable and water repellent), P600/D PU coated (robust, for high wear areas), 3D Air Mesh (provides ventilation), Air Mesh (hydrophobic) and Airo Flex (breathable and durable)Weight: 900gSize: 28 x 50 x 9cmVolume: 12 litresBuy Evoc Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8100 12 Speed Cassette - Silver - 11-30t}, Silver
  • £119.99

Shimano Ultegra R8100 12 Speed CassetteThe Ultegra R8100 12 Speed Cassette from Shimano is optimised to shift with exceptional smoothness and precision. It features Shimano's Hyperglide+ gear shifting technology for outstanding gear shifting accuracy and efficiency. And it's compatible with Shimano 12-Speed drivetrain systems.The uninterrupted shifting experience of the ULTEGRA R8100 12-Speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-Speed FREEHUB bodies. HYPERGLIDE+ Smooth and Efficient Gear Shifting HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting. HYPERGLIDE+ drivetrain's redesigned cassette and chain promote the next generation of competitive bike riding by enhancing speed, shifting efficiency and smoothness over any terrain. Key Features: Better chain engagement, stronger retention, and smoother pedalling provide greater power and confidence over rapidly changing terrain. Definitive up and downshifting in both directions boost riders' concentration and acceleration. An ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress. A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of riding styles, abilities and preferences.Features: Series: Ultegra R8100 Series Type: HYPERGLIDE+ Compatible Chain: Shimano HG 12-Speed Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedalling force Compatible with new 12-Speed and road 11-Speed FREEHUB body Average Weight: 291g (11-30T); 345g (11-34T)A 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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Shimano Ultegra R8100 12 Speed Cassette - Silver - 11-34t}, Silver
  • £119.99

Shimano Ultegra R8100 12 Speed CassetteThe Ultegra R8100 12 Speed Cassette from Shimano is optimised to shift with exceptional smoothness and precision. It features Shimano's Hyperglide+ gear shifting technology for outstanding gear shifting accuracy and efficiency. And it's compatible with Shimano 12-Speed drivetrain systems.The uninterrupted shifting experience of the ULTEGRA R8100 12-Speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-Speed FREEHUB bodies. HYPERGLIDE+ Smooth and Efficient Gear Shifting HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting. HYPERGLIDE+ drivetrain's redesigned cassette and chain promote the next generation of competitive bike riding by enhancing speed, shifting efficiency and smoothness over any terrain. Key Features: Better chain engagement, stronger retention, and smoother pedalling provide greater power and confidence over rapidly changing terrain. Definitive up and downshifting in both directions boost riders' concentration and acceleration. An ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress. A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of riding styles, abilities and preferences.Features: Series: Ultegra R8100 Series Type: HYPERGLIDE+ Compatible Chain: Shimano HG 12-Speed Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedalling force Compatible with new 12-Speed and road 11-Speed FREEHUB body Average Weight: 291g (11-30T); 345g (11-34T)A 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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Shimano XT MT8120 Front Hydraulic Disc Brake - Black - 900mm Metal, Black
  • £119.99
  • RRP £179.99
  • Saving you £33

Shimano XT MT8120 Front Hydraulic Disc BrakeWith its four-piston caliper design giving you extra braking power and modulation, the Shimano XT MT8120 Front Hydraulic Disc Brake enables you to attack trails harder. The lever has reach adjustment and can be combined with I-Spec EV gear shifters. The powerful Shimano XT M8120 mountain bike (MTB) brake includes a rider tuneable lever and four-piston caliper for outstanding stopping power as you navigate around the trails. Its caliper decreases rotor wobbling noise and increases its braking power by 10%, so you'll enjoy a quieter and more precise braking set-up. In addition, its lever enables combination with I-Spec EV gear shifters for an action-packed cockpit layout. There's also an adjustable reach that suits any hand size, type of riding and individual rider preferences. This is a perfect choice of upgrade for dominating every descent and shredding around the trails in style.Features: Material: Lever: Aluminium anodised; Caliper: Aluminium painted Brake Type: Hydraulic disc brake Brake Fluid Type: Mineral oil Hose Length: Separate 850mm and 900mm options Single or Pair: Single Use: MTB, Enduro, Trail Caliper Mount Type: Post Mount (mounting bolts included); Brake Lever Mount: I-Spec EV Lever Length: 2 finger Adjustment: Tool-less reach adjustment Piston: 4-piston Brake Pads Included: Yes; Brake Rotor Included No Weight: 284g (approx.) Technologies:Servo Wave Action: When you pull a Servowave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control.Reach Adjust: The brake lever is equipped with a reach adjust mechanism. The distance from the handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences.Ice Technologies: The fade, which can occur to disc brake rotors and pads when braking on a long downhill ride, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realise the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400˚C to 300˚C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight.Four Piston: Disc brake system with the dual diameter opposed-piston caliper design has differently sized pistons in front and in the rear. The system adopts a power transfer system in which the disc brake rotor is pressed by the smaller sized piston at the entrance of the disc brake rotor intake and also by the more powerful larger sized piston at the back. This prevents the wobbling motion of the disc brake rotor and reduces noises significantly. The 4-piston caliper also allows a wider contact area for the disc brake rotor while keeping the size compact, and the efficient location of pads is adjusted as necessary to stabilise the pressure. In combination use with the Servowave lever it provides an incredible 50% more stopping power than the previous model. The advanced Saint/Zee disc brake system, which adjusts to accommodate the different braking styles of different riders, offers stable braking power and excellent modulation.One Way Bleeding: One Way Bleeding was developed for quick and easy prevention of air in Shimano's hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One-way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.Click here to view the Shimano Brake Reference Guide.A 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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Shimano IC501 Indoor Cycling Shoes 2023 - Black - EU 40}, Black
  • £119.99

Shimano IC501 Indoor Cycling ShoesWhether it's at home or at the gym, the Shimano IC501 Indoor Cycling Shoes have been created for the heat and intense efforts of indoor training.  If you’re short of time or you want a very focused training session, what’s better than an indoor training session. But even with your lightest cycling kit on and the fan set to maximum, you’ll still soon be sweating profusely. And your feet don't miss out on the fun either, which is where the highly ventilated IC501 Indoor Cycling shoes come into their own.Cool and FreshThat sweat build-up is dealt with effectively via the snug ‘sock-like’ full-mesh upper. This allows for optimal breathability so not only can sweat escape quickly, cool air from your fan can also circulate to keep your feet fresher.Talking of freshness, an environmentally sustainable FUZE anti-bacterial treatment is applied. This protects against odour-causing bacteria, ensuring there are no nasty smells or mould build-up, no matter how frequently you train.Glass Fibre-reinforced Nylon SoleThe lightweight sole, a glass fibre reinforced nylon unit, offers excellent pedalling efficiency and foot support while also keeping the price of the shoes affordable. Rubber heel and mid-foot pontoons make it easy to walk while still allowing for easy clipping in and out of your pedals.BOA® L6 dialIn order to get optimal comfort, the IC501 makes use of a single BOA® L6 dial. Micro adjustment of the fit is made quick and easy via a turn of the dial. Whether tightening up for a sprint effort or loosening to boost comfort as you cool down, you can get the fit just right to suit your needs. And at the end of a ride, simply pull up the dial for a quick release of the lace.Cleat GuidanceThese cycling shoes are compatible with gym/trainer pedal systems that use cleats with SPD standard fitting (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Full mesh upper and ‘sock-like’ constructionFUZE anti-bacterial treatmentBOA® L6 dial closure with Soft Lace Glass fibre-reinforced nylon midsoleAnti-slip SPD rubber soleUnisex designWeight: 290gStiffness rating: 5/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano IC501 Indoor Cycling Shoes 2023 - Black - EU 42}, Black
  • £119.99

Shimano IC501 Indoor Cycling ShoesWhether it's at home or at the gym, the Shimano IC501 Indoor Cycling Shoes have been created for the heat and intense efforts of indoor training.  If you’re short of time or you want a very focused training session, what’s better than an indoor training session. But even with your lightest cycling kit on and the fan set to maximum, you’ll still soon be sweating profusely. And your feet don't miss out on the fun either, which is where the highly ventilated IC501 Indoor Cycling shoes come into their own.Cool and FreshThat sweat build-up is dealt with effectively via the snug ‘sock-like’ full-mesh upper. This allows for optimal breathability so not only can sweat escape quickly, cool air from your fan can also circulate to keep your feet fresher.Talking of freshness, an environmentally sustainable FUZE anti-bacterial treatment is applied. This protects against odour-causing bacteria, ensuring there are no nasty smells or mould build-up, no matter how frequently you train.Glass Fibre-reinforced Nylon SoleThe lightweight sole, a glass fibre reinforced nylon unit, offers excellent pedalling efficiency and foot support while also keeping the price of the shoes affordable. Rubber heel and mid-foot pontoons make it easy to walk while still allowing for easy clipping in and out of your pedals.BOA® L6 dialIn order to get optimal comfort, the IC501 makes use of a single BOA® L6 dial. Micro adjustment of the fit is made quick and easy via a turn of the dial. Whether tightening up for a sprint effort or loosening to boost comfort as you cool down, you can get the fit just right to suit your needs. And at the end of a ride, simply pull up the dial for a quick release of the lace.Cleat GuidanceThese cycling shoes are compatible with gym/trainer pedal systems that use cleats with SPD standard fitting (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Full mesh upper and ‘sock-like’ constructionFUZE anti-bacterial treatmentBOA® L6 dial closure with Soft Lace Glass fibre-reinforced nylon midsoleAnti-slip SPD rubber soleUnisex designWeight: 290gStiffness rating: 5/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano IC501 Indoor Cycling Shoes 2023 - Black - EU 43}, Black
  • £119.99

Shimano IC501 Indoor Cycling ShoesWhether it's at home or at the gym, the Shimano IC501 Indoor Cycling Shoes have been created for the heat and intense efforts of indoor training.  If you’re short of time or you want a very focused training session, what’s better than an indoor training session. But even with your lightest cycling kit on and the fan set to maximum, you’ll still soon be sweating profusely. And your feet don't miss out on the fun either, which is where the highly ventilated IC501 Indoor Cycling shoes come into their own.Cool and FreshThat sweat build-up is dealt with effectively via the snug ‘sock-like’ full-mesh upper. This allows for optimal breathability so not only can sweat escape quickly, cool air from your fan can also circulate to keep your feet fresher.Talking of freshness, an environmentally sustainable FUZE anti-bacterial treatment is applied. This protects against odour-causing bacteria, ensuring there are no nasty smells or mould build-up, no matter how frequently you train.Glass Fibre-reinforced Nylon SoleThe lightweight sole, a glass fibre reinforced nylon unit, offers excellent pedalling efficiency and foot support while also keeping the price of the shoes affordable. Rubber heel and mid-foot pontoons make it easy to walk while still allowing for easy clipping in and out of your pedals.BOA® L6 dialIn order to get optimal comfort, the IC501 makes use of a single BOA® L6 dial. Micro adjustment of the fit is made quick and easy via a turn of the dial. Whether tightening up for a sprint effort or loosening to boost comfort as you cool down, you can get the fit just right to suit your needs. And at the end of a ride, simply pull up the dial for a quick release of the lace.Cleat GuidanceThese cycling shoes are compatible with gym/trainer pedal systems that use cleats with SPD standard fitting (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Full mesh upper and ‘sock-like’ constructionFUZE anti-bacterial treatmentBOA® L6 dial closure with Soft Lace Glass fibre-reinforced nylon midsoleAnti-slip SPD rubber soleUnisex designWeight: 290gStiffness rating: 5/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano IC501 Indoor Cycling Shoes 2023 - Black - EU 47.3}, Black
  • £119.99

Shimano IC501 Indoor Cycling ShoesWhether it's at home or at the gym, the Shimano IC501 Indoor Cycling Shoes have been created for the heat and intense efforts of indoor training.  If you’re short of time or you want a very focused training session, what’s better than an indoor training session. But even with your lightest cycling kit on and the fan set to maximum, you’ll still soon be sweating profusely. And your feet don't miss out on the fun either, which is where the highly ventilated IC501 Indoor Cycling shoes come into their own.Cool and FreshThat sweat build-up is dealt with effectively via the snug ‘sock-like’ full-mesh upper. This allows for optimal breathability so not only can sweat escape quickly, cool air from your fan can also circulate to keep your feet fresher.Talking of freshness, an environmentally sustainable FUZE anti-bacterial treatment is applied. This protects against odour-causing bacteria, ensuring there are no nasty smells or mould build-up, no matter how frequently you train.Glass Fibre-reinforced Nylon SoleThe lightweight sole, a glass fibre reinforced nylon unit, offers excellent pedalling efficiency and foot support while also keeping the price of the shoes affordable. Rubber heel and mid-foot pontoons make it easy to walk while still allowing for easy clipping in and out of your pedals.BOA® L6 dialIn order to get optimal comfort, the IC501 makes use of a single BOA® L6 dial. Micro adjustment of the fit is made quick and easy via a turn of the dial. Whether tightening up for a sprint effort or loosening to boost comfort as you cool down, you can get the fit just right to suit your needs. And at the end of a ride, simply pull up the dial for a quick release of the lace.Cleat GuidanceThese cycling shoes are compatible with gym/trainer pedal systems that use cleats with SPD standard fitting (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Full mesh upper and ‘sock-like’ constructionFUZE anti-bacterial treatmentBOA® L6 dial closure with Soft Lace Glass fibre-reinforced nylon midsoleAnti-slip SPD rubber soleUnisex designWeight: 290gStiffness rating: 5/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano IC501 Indoor Cycling Shoes 2023 - Black - EU 44}, Black
  • £119.99

Shimano IC501 Indoor Cycling ShoesWhether it's at home or at the gym, the Shimano IC501 Indoor Cycling Shoes have been created for the heat and intense efforts of indoor training.  If you’re short of time or you want a very focused training session, what’s better than an indoor training session. But even with your lightest cycling kit on and the fan set to maximum, you’ll still soon be sweating profusely. And your feet don't miss out on the fun either, which is where the highly ventilated IC501 Indoor Cycling shoes come into their own.Cool and FreshThat sweat build-up is dealt with effectively via the snug ‘sock-like’ full-mesh upper. This allows for optimal breathability so not only can sweat escape quickly, cool air from your fan can also circulate to keep your feet fresher.Talking of freshness, an environmentally sustainable FUZE anti-bacterial treatment is applied. This protects against odour-causing bacteria, ensuring there are no nasty smells or mould build-up, no matter how frequently you train.Glass Fibre-reinforced Nylon SoleThe lightweight sole, a glass fibre reinforced nylon unit, offers excellent pedalling efficiency and foot support while also keeping the price of the shoes affordable. Rubber heel and mid-foot pontoons make it easy to walk while still allowing for easy clipping in and out of your pedals.BOA® L6 dialIn order to get optimal comfort, the IC501 makes use of a single BOA® L6 dial. Micro adjustment of the fit is made quick and easy via a turn of the dial. Whether tightening up for a sprint effort or loosening to boost comfort as you cool down, you can get the fit just right to suit your needs. And at the end of a ride, simply pull up the dial for a quick release of the lace.Cleat GuidanceThese cycling shoes are compatible with gym/trainer pedal systems that use cleats with SPD standard fitting (2-bolt standard), e.g.: Shimano SPD, Time ATAC, CrankBrothers, CrankBrothers Race, Look MTB, Xtreme MTB, Wellgo MTB, Ritchey MTB.Features:Full mesh upper and ‘sock-like’ constructionFUZE anti-bacterial treatmentBOA® L6 dial closure with Soft Lace Glass fibre-reinforced nylon midsoleAnti-slip SPD rubber soleUnisex designWeight: 290gStiffness rating: 5/122-bolt cleat compatible (cleats not supplied)Buy Shimano Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.

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