More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with the fastest, most seamless action on the market. Shimano E-Tube Compatible E-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application. HYPERGLIDE+ Optimised HYPERGLIDE+ dedicated chain technology delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain. Improved chain retention encourages more aggressive all-terrain riding and relieves chain-issue anxiety. Smoother drivetrain transmission and enhanced shifting performance sharpens riders’ concentration and improves acceleration. Better chain engagement cuts abrasion, reduces maintenance, and lengthens the lifespan of the chain.
Mavic Deemax Downhill MTB Rear WheelSpecifically designed for downhill (DH) riding, this mountain bike (MTB) rear wheel features a rock-solid maxtal aluminium rim construction that's built to endure the knocks associated with jumps, drops, rock gardens and obstacles as you pedal across the roughest terrains. Mavic has also equipped this version with SUP welding technology for further stiffness and strength as you carve your way around the mountain. Another highlight is its tubeless-ready technology, which allows you to run lower tyre pressures and enjoy tubeless benefits such as superior traction, smoother rolling performance and fewer risks of flats or punctures. Coming complete with 6-bolt disc brake compatibility, this is a perfect choice of upgrade for powerful and reliable braking operation as you weave between the trails.Features: Rim Material: Maxtal Aluminium Use: Downhill (DH) Axle Size: 12x142mm Internal Rim Width: 28mm ETRTO: 584x28TC Rim Profile: Clincher Drilling: Traditional Tubeless Ready: Yes Joint: SUP Tyre Compatibility: UST Tubeless and tubetype clincher Recommended Tyre Sizes: 60mm to 76mm (2.35" to 3.0") Valve Hole Diameter: 6.5mm Spoke Material: Steel Spoke Count: 28 Spoke Shape: Straight pull, flat, double-butted Spoke Lacing: 3 cross Wheel Hub Body: Aluminium Freewheel: Instant Drive 360 Freehub Compatibility: Multiple options available to select Axle Material: Aluminium Bearings: Auto adjust sealed cartridge bearings (QRM Auto) Brake Compatibility: 6-bolt disc brake Max Rider Weight: For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg, bike included ASTM Category 5: Gravity riding focused on the descent Single or Pair: Single rear wheelManufacturer's Part Numbers: LR3337100 Black 27.5" Shimano LR3339100 Black 27.5" SRAM XD LR3654100 Black 27.5" Micro SplineBuy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Elegantly designed, the XTR M9100 Rear Derailleur is suitable for use with Shimano's 12-Speed drivetrain system and comes equipped with oversized 13T pulley wheels and an updated Shadow RD+ mechanism which is narrower and more discrete to outfox the flow-killing risks of hard-riding mountain biking. Aluminium-made, this compact and convenient derailleur belies its size to give hugely impressive performance.
Shimano XTR M9100 12sp Rear DerailleurThe Shimano XTR M9100 Rear Derailleur features an elegant, refined and optimised design, which is aimed at providing maximum drivetrain efficiency over the most demanding terrain. Featuring oversized 13T pulley wheels, updated Shadow RD+ mechanism and is tailored specifically to provide maximum chain retention and shifting accuracy across the new Shimano 12-Speed drivetrain transmission system.Features: Material: Aluminium, Stainless Steel Use: MTB Speed: 12 speed Compatible Chain: HG 12-speed Low Sprocket Max/Min: M Option: 45T; L Option: 51T Top Sprocket Max/Min: M Option: 10T; L Option: 10T Total Capacity: M Option: 35T; L Option: 41T Pulley Teeth: 13T Pulley Bearings: Sealed Spring Type: Shimano Shadow RD+ Weight: M Option: 237g; L Option: 240gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano XTR M9100 12sp Rear DerailleurThe Shimano XTR M9100 Rear Derailleur features an elegant, refined and optimised design, which is aimed at providing maximum drivetrain efficiency over the most demanding terrain. Featuring oversized 13T pulley wheels, updated Shadow RD+ mechanism and is tailored specifically to provide maximum chain retention and shifting accuracy across the new Shimano 12-Speed drivetrain transmission system.Features: Material: Aluminium, Stainless Steel Use: MTB Speed: 12 speed Compatible Chain: HG 12-speed Low Sprocket Max/Min: M Option: 45T; L Option: 51T Top Sprocket Max/Min: M Option: 10T; L Option: 10T Total Capacity: M Option: 35T; L Option: 41T Pulley Teeth: 13T Pulley Bearings: Sealed Spring Type: Shimano Shadow RD+ Weight: M Option: 237g; L Option: 240gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM XX1 Eagle 12sp Type 3.0 Rear DerailleurThis SRAM XX1 Eagle Rear Mech benefits from SRAM's redesigned Type 3.0 Roller Bearing Clutch feature, which has a smoother curve than the previous model for an even more consistent and quieter running drivetrain and excellent chain retention.The XX1 Eagle rear mech has been completely redesigned and is equipped with the very best of SRAM's drivetrain features. These include the race winning X-Actuation and X-Horizon technologies, which ensure ghost shifting and random jumps between the cogs are a thing of the past, so you'll enjoy ultra quick, precise and consistent shifts every time.As it's compatible with a wide-range 10-50T cassette, Eagle XX1 provides a 500-percent gear range, which is a 20-percent increase compared to 11-speed 1x drivetrains. It's also extremely robust, thanks to the re-engineered mounting and carbon fibre cage.Features: Material: Forged Aluminium and Carbon Fibre Speed: 12 Outer Cage: Carbon Fibre Inner Cage: Forged Aluminium Spring: Titanium Bearings: Stainless Steel Pull: X-Actuation Mount type: B Knuckle - All new B-Bolt attachment method reduces noise and improves durability Compatibility: Eagle 10-50T only Technology highlights: Cage Lock, Type 3.0 Roller Bearing Clutch, X-Actuation, X-Horizon, X-sync Eagle pulley technology provides greater efficiency, crisper shifting and quieter operation Carbon cage and lightweight hardware make it light and toughTechnologies: Cage Lock: With Cage Lock technology in the rear derailleur, wheel removal and installation, as well as chain installation, becomes faster and simpler. Just push the cage forward to create slack and lock it into place Roller Bearing Clutch: SRAM's Roller Bearing Clutch rear derailleurs deliver maximum drivetrain stability, even through the most punishing terrain. With Roller Bearing Clutch technology, derailleur bounce and chain slap are eliminated without sacrificing precision X-Actuation: Developed specifically for SRAM 1x, X-Actuation keeps shifting sharp and consistent across the entire cassette. X-Horizon: The X-Horizon rear derailleur's ‘straight parallelogram' design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears X-Sync: SRAM's X-sync pulleys and chainrings tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, helps manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC rings are an integral part of the SRAM 1x drivetrainBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Ultegra R8150 Di2 12 Sp Front DerailleurThe Ultegra R8150 Di2 12 Speed Front Derailleur from Shimano is compatible with Shimano Di2 electronic 12-Speed drivetrain systems and is smaller, sleeker and lighter than previous models. Shifting across front chainrings with the utmost efficiency and smoothness, this electronic front derailleur features Shimano Hyperglide+ technology for the fastest and most reliable gear shifting available.More compact and faster than ever, the Ultegra R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the Ultegra R8150 front derailleur shifts between chainrings with the fastest, most seamless action on the market. Shimano E-Tube CompatibleE-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application. HYPERGLIDE+ OptimisedHYPERGLIDE+ dedicated chain technology delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain. Improved chain retention encourages more aggressive all-terrain riding and relieves chain-issue anxiety. Smoother drivetrain transmission and enhanced shifting performance sharpens riders' concentration and improves acceleration. Better chain engagement cuts abrasion, reduces maintenance, and lengthens the lifespan of the chain. Features: Fastest ever front shifting, 45% faster than FD-R9150 Series: Ultegra R8100 Series Smaller, sleeker, lighter Frontal area reduced by 33% Top gear teeth capacity: 50-54T Chainline: 44.5mm Chainstay Angle: 61 - 66 Degrees Compatible Chain: HG 12-Speed Top Gear Teeth: 50-54T; Total Capacity: 16T Weight: 110gA 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.
Campagnolo Record 12 Speed Rear DerailleurA superbly light and high performing derailleur that's engineered for effortless shifting, so you can reach your peak faster.Lightweight and Highly Durable DerailleurThe Record Rear Derailleur (12 Speed) from Campagnolo is the ideal choice of upgrade for getting the maximum shifting experience from your bike. Made from Carbon fibre-reinforced technopolymer which is not only super-lightweight but also highly robust for years of long-lasting use.Designed with the thrill-seekers and cycling enthusiasts in mind, the Record Rear Derailleur increases your speed, performance and shifting accuracy. The cage has been specially constructed to work alongside sprockets from 11 to 32 teeth which allow a single version to be maintained for all available sprocket sets. Thanks to its 3D Embrace technology which creates a double effect, your chain can maintain optimum traction every time.When riding over harsh roads, the derailleur maintains constant accuracy thanks to the spring between the upper body and the joint which absorbs vibrations, enabling you to have a smooth riding experience.The Record Rear Derailleur (12 Speed) from Campagnolo is the ideal choice for keeping you at the top of your game, ride after ride.Features: Material: Carbon fibre-reinforced technopolymer Constant accuracy Speed: 12 Speed The 12-tooth wheels mean smoother chain movement 3D Embrace technology Ability to adjust the initial derailleur position to adapt to each sprocket set Easy wheel replacement Weight: 0.216kg Buy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The Record Rear Derailleur (12 Speed) from Campagnolo is the perfect choice of upgrade for getting the ultimate shifting experience from your bike. Made from Carbon fibre-reinforced technopolymer which is not only super-lightweight but also highly robust for years of long-lasting use. Engineered with the thrill-seekers and cycling enthusiasts in mind, the Record Rear Derailleur increases your speed, power and shifting precision. Thanks to its 3D Embrace technology which creates a double effect, your chain is able to maintain optimum traction at all times. The cage has been specially designed to work alongside sprockets from 11 to 32 teeth which allow a single version to be maintained for all available sprocket sets. When cycling over bumpy roads, the derailleur maintains constant accuracy thanks to the spring between the upper body and the joint which absorbs vibrations, allowing you to have a smooth riding experience. The Record Rear Derailleur (12 Speed) from Campagnolo is the ideal choice for keeping you at the top of your game, ride after ride.
SRAM X1 Type 2.1 11sp Rear DerailleurEvery detail of the 11-speed X1 X-HORIZON rear derailleur is engineered for smooth, reliable shifting action—from the larger upper pulley offset to the 12-tooth X-SYNC pulley wheels.By eliminating unwanted chain movement, X-HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK technology, wheel removal and installation are easier than ever. With CAGE LOCK technology in the rear derailleur, wheel removal and installation—as well as chain installation—becomes faster and simpler. Just pushing the cage forward to create slack and lock it into place ROLLER BEARING CLUTCH rear derailleurs deliver maximum drivetrain stability—even through the most punishing terrain. With ROLLER BEARING CLUTCH technology, derailleur bounce and chain slap are eliminated without sacrificing precision Developed specifically for SRAM 1X, X-ACTUATION keeps shifting sharp and consistent across the entire 10- to 42-tooth cassette The X-HORIZON rear derailleur’s ‘straight parallelogram’ design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears SRAM X-SYNC 1X chainrings provide the highest level of performance and durability. The SRAM X-SYNC tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC chainrings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC rings are an integral part of the SRAM 1X drivetrainFeatures: Speeds: 11-speed Material: Aluminum cage Weight: 256g Compatibility: X-ACTUATION Bearings: Sealed cartridge bearings Pivot Design: Horizontal Parellelogram design Pulleys: 12-tooth X-SYNC pulley wheelsBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The SRAM Force 1 rear derailleur provides the fastest and quietest 1X11 shifting currently available. Designed to maintain a steady pulley-cassette gap across all gear ranges, the derailleur uses SRAM's one-way roller bearing clutch to control chain tension for consistent shifting. With Roller Bearing Clutch Technology, derailleur bounce and chain slap are eliminated without sacrificing precision. The mech also uses SRAM's Exact Actuation for fast and accurate shifts using SRAM's 1:1 actuation ratio (shifter cable travel; derailleur movement). 10 and 11 speed compatible. The derailleur is finished with cage lock technology which makes wheel removal and installation, as well as chain installation faster and simpler. Simply push the cage forward to create slack and lock it in to place.
Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.