Spank HEX J-TYPE Boost E-Plus Rear HubSpecifically developed for electric mountain bike (MTB) riding, this Boost spaced rear hub provides smooth and reliable performance for a wide range from riding disciplines from all mountain (AM), to enduro and downhill (DH) racing. It features a durable alloy hub body that's been put through a CNC optimising and forging process, which shaves off any unnecessary material while still maintaining maximum strength. As a result, it provides a fantastic balance of toughness and strength, without any weight penalty. Spank has also equipped this E-bike-specific version with a steel axle to handle the increased speed, torque and power that's produced by electric bike motors. To top it off, the brand gave it a matte anodised finish for extra protection against corrosion during wetter riding conditions, while its laser logos give it a sleek look that complements your ride.Boost Spacing and 6-bolt Disc Brake ReadyEngineered for the demands of today's riders, this rear hub comes kitted out with boost spacing to match perfectly with 12x148mm compatible modern E-MTB frames. This allows it to provide stiff and dependable performance as you carve your way around the mountain. Another benefit is its 6-bolt disc brake compatibility, which allows you to enjoy powerful and consistent braking, wherever your next ride takes you. Coming complete with an advanced seal system and high-grade bearings, the Spank HEX J-TYPE Boost E-Plus Rear Hub also improves the prevention of bearing/drive system contamination, further increasing its longevity.Features: Hub Body Material: CNC optimised forged Alloy Axle Material: Alloy Freehub Material: Steel Finish: Matte anodised with laser logos Use: Electric Mountain Bike (E-MTB) Engagement: HEX DRIVE 102T / 3.5 degrees / 6 Pawl Hole Count: 32H J-Hook Disc Mount: 6-bolt Configuration: Boost 12x148mm, J-hook Adaptors Included: None Adaptor Available Separately: Boost QRx141 Single or Pair: Single Weight: Shimano HG E-Plus Option: 406g; SRAM XD E-Plus Option: 395g; Micro Spline E-plus Option: 380gTechnologies: SPANK's HEX DRIVE 102T technology delivers 3.5° engagement, for almost instant pickup. 6 independent pawls with 3 steps per pawl, work in unison, meaning 18 engagement points per click. Bite-Block Alloy HG and XD Freehub bodies resist damage from cassettes without the weight penalty of steel. Unique flange design reduces dish requirement and minimises tension range between drive side and non-drive side spokes. Advanced seal system improves prevention of bearing/drive system contamination.Buy Spank Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
ProTaper Carbon Team Issue BarPrepared for the most demanding of downhill (DH), enduro and all-mountain terrains, this mountain bike (MTB) riser bar features a carbon construction that makes it more than cable of enduring all the challenges that are associated with gravity riding. Using Plastic Foam Lamination (PFL) manufacturing processes, this trail-ready model utilises tiny particles and steam pressure in the lamination process to expand and shape the structure of the bars. The process uses less excess resin and fewer ply's, resulting in a 15% lighter bar. ProTaper has also equipped this model with an 810mm width as well as cut marks for riders who want to cut it to suit their riding style. Coming complete with a Textured Grit Grip finish in its clamping areas, this riser bar eliminates the over-tightening of components.Features: Material: Carbon Finish: Textured Grit Grip finish in clamp areas Use: MTB, Downhill and Enduro Width: 810mm, cut marks also provide a range of width options Clamp Diameter: 31.8mm Up Sweep: 4 degrees Back Sweep: 8 degrees Rise: 1" Version: 25.4mm; 1 1/2" Version: 12.7mm Weight: 190gManufacturer's Part Numbers: 301-36182-C301 Black/Silver 31.8 x 810mm 1 1/2" 301-36182-C302 Black/Silver 31.8 x 810mm 1"Buy ProTaper Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Gaerne Carbon G. Chrono Road Cycling ShoesFrom dropping rivals on steep climbs, accelerating hard out of tight and twisty corners at a criterium or hitting your power-number in training, the Gaerne Carbon G. Chrono Road Cycling Shoes deliver uncompromised power-transfer.For rapid progress on your road bike, you'll be hard-pressed to beat the Carbon G. Chrono Road Cycling Shoes. A snug and comfortable fit is achieved via a microfiber upper. This gives you a stable pedalling platform while laser-cut vents keep cool air circulating as you build up speed. An integrated anti-slip heel cup holds the foot firmly in place, won't deform when pressure is applied and the anti-tendonitis form allows for the best foot stability and controlPedalling performance is also enhanced via TSS technology. Standing for "Tarsal Support System", this maintains the ideal foot position within the shoe, allowing for greater comfort and an efficient pedal stroke. You also benefit from the EPS Transpirant insole. The anatomical shape offers support and comfort, while perforations are used to regulate temperature. BOA Dial BrillianceTo customise the fit and feel of the shoes, you'll enjoy the use of the proven Boa Li2 system. This system allows precise adjustment and a uniform fit across the foot while removing any pressure points. Twist. Adjust. Ride. And because the 'lacing' is so minimal, it allows for greater air circulation and hence greater comfort. Boa Technology also guarantees the reels and the cables of the BOA closing system for the entire useful life of the product.Gaerne EPS Carbon 12.0 SoleMade from Carbon Fibre, the Gaerne EPS Carbon 12.0 Sole is both super-light and super-thin. And yet it rates 12 out of 12 on Gaerne's stiffness scale. This provides superb foot stability on the bike and ensures all your hard-won watts are transferred to the pedals. The slim sole also keeps your foot closer to the pedal axle, delivering a more natural and efficient pedal stroke. Compared to the previous generation, this sole unit now has 9mm more cleat adjustment, letting you get your cleat position just right. Four-air vents guarantee excellent airflow to the foot and anti-slip inserts at the toe and an interchangeable pad in the rear makes it easier to walk when you're off the bike. Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Laser-perforated microfibre upperAnatomical tongueBoa Li2 Twin-Dial adjustmentTarsal Support SystemEPS Lightweight transpirant insoleIntegrated anti-slip heel-cupGaerne EPS lightweight full carbon sole 12.0 - Rated 12/12 Stiffness3-bolt cleat compatible (Cleats not supplied)Weight: 293g (Size 43)Buy Gaerne Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Gaerne Carbon G. Chrono Road Cycling ShoesFrom dropping rivals on steep climbs, accelerating hard out of tight and twisty corners at a criterium or hitting your power-number in training, the Gaerne Carbon G. Chrono Road Cycling Shoes deliver uncompromised power-transfer.For rapid progress on your road bike, you'll be hard-pressed to beat the Carbon G. Chrono Road Cycling Shoes. A snug and comfortable fit is achieved via a microfiber upper. This gives you a stable pedalling platform while laser-cut vents keep cool air circulating as you build up speed. An integrated anti-slip heel cup holds the foot firmly in place, won't deform when pressure is applied and the anti-tendonitis form allows for the best foot stability and controlPedalling performance is also enhanced via TSS technology. Standing for "Tarsal Support System", this maintains the ideal foot position within the shoe, allowing for greater comfort and an efficient pedal stroke. You also benefit from the EPS Transpirant insole. The anatomical shape offers support and comfort, while perforations are used to regulate temperature. BOA Dial BrillianceTo customise the fit and feel of the shoes, you'll enjoy the use of the proven Boa Li2 system. This system allows precise adjustment and a uniform fit across the foot while removing any pressure points. Twist. Adjust. Ride. And because the 'lacing' is so minimal, it allows for greater air circulation and hence greater comfort. Boa Technology also guarantees the reels and the cables of the BOA closing system for the entire useful life of the product.Gaerne EPS Carbon 12.0 SoleMade from Carbon Fibre, the Gaerne EPS Carbon 12.0 Sole is both super-light and super-thin. And yet it rates 12 out of 12 on Gaerne's stiffness scale. This provides superb foot stability on the bike and ensures all your hard-won watts are transferred to the pedals. The slim sole also keeps your foot closer to the pedal axle, delivering a more natural and efficient pedal stroke. Compared to the previous generation, this sole unit now has 9mm more cleat adjustment, letting you get your cleat position just right. Four-air vents guarantee excellent airflow to the foot and anti-slip inserts at the toe and an interchangeable pad in the rear makes it easier to walk when you're off the bike. Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Laser-perforated microfibre upperAnatomical tongueBoa Li2 Twin-Dial adjustmentTarsal Support SystemEPS Lightweight transpirant insoleIntegrated anti-slip heel-cupGaerne EPS lightweight full carbon sole 12.0 - Rated 12/12 Stiffness3-bolt cleat compatible (Cleats not supplied)Weight: 293g (Size 43)Buy Gaerne Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Gaerne Carbon G. STL Road Cycling Shoes (Gold Rush)Sitting at the peak of the Gaerne road shoe range, the Carbon G. STL Road Cycling Shoes (Gold Rush) combine a super-stiff carbon sole for instant acceleration with the ease of adjustment from low-profile BOA Li2 dials. Medal-winning performance for the most demanding of cyclists. For rapid progress on your road bike, you'll be hard-pressed to beat the Carbon G. STL Road Cycling Shoes, here in sleek Gold Rush finish. A snug and comfortable fit is achieved via a microfiber upper. This gives you a stable pedalling platform while laser-cut vents keep cool air circulating as you build up speed. An integrated anti-slip heel cup holds the foot firmly in place, won't deform when pressure is applied and the anti-tendonitis form allows for the best foot stability and controlPedalling performance is also enhanced via TSS technology. Standing for "Tarsal Support System", this maintains the ideal foot position within the shoe, allowing for greater comfort and an efficient pedal stroke. You also benefit from the EPS Transpirant insole. The anatomical shape offers support and comfort, while perforations are used to regulate temperature. BOA Dial BrillianceTo customise the fit and feel of the shoes, you'll enjoy the use of the proven Boa Li2 system. This system allows precise adjustment and a uniform fit across the foot while removing any pressure points. Twist. Adjust. Ride. And because the 'lacing' is so minimal, it allows for greater air circulation and hence greater comfort. Boa Technology also guarantees the reels and the cables of the BOA closing system for the entire useful life of the product.Gaerne EPS Carbon 12.0 SoleMade from Carbon Fibre, the Gaerne EPS Carbon 12.0 Sole is both super-light and super-thin. And yet it rates 12 out of 12 on Gaerne's stiffness scale. This provides superb foot stability on the pedals and ensures all your hard-won watts are transferred to the pedals. The slim sole also keeps your foot closer to the pedal axle, delivering a more natural and efficient pedal stroke. Compared to the previous generation, this sole unit now has 9mm more cleat adjustment, letting you get your cleat position just right. Four-air vents guarantee excellent airflow to the foot and anti-slip inserts at the toe and an interchangeable pad in the rear makes it easier to walk when you're off the bike. Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Laser-perforated microfibre upperAnatomical tongueBoa Li2 Twin-Dial adjustmentTarsal Support SystemEPS Lightweight transpirant insoleIntegrated anti-slip heel-cupGaerne EPS lightweight full carbon sole 12.0 - Rated 12/12 Stiffness3-bolt cleat compatible (Cleats not supplied)Weight: 293g (Size 43)Buy Gaerne Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Gaerne Carbon G. STL Road Cycling Shoes (Gold Rush)Sitting at the peak of the Gaerne road shoe range, the Carbon G. STL Road Cycling Shoes (Gold Rush) combine a super-stiff carbon sole for instant acceleration with the ease of adjustment from low-profile BOA Li2 dials. Medal-winning performance for the most demanding of cyclists. For rapid progress on your road bike, you'll be hard-pressed to beat the Carbon G. STL Road Cycling Shoes, here in sleek Gold Rush finish. A snug and comfortable fit is achieved via a microfiber upper. This gives you a stable pedalling platform while laser-cut vents keep cool air circulating as you build up speed. An integrated anti-slip heel cup holds the foot firmly in place, won't deform when pressure is applied and the anti-tendonitis form allows for the best foot stability and controlPedalling performance is also enhanced via TSS technology. Standing for "Tarsal Support System", this maintains the ideal foot position within the shoe, allowing for greater comfort and an efficient pedal stroke. You also benefit from the EPS Transpirant insole. The anatomical shape offers support and comfort, while perforations are used to regulate temperature. BOA Dial BrillianceTo customise the fit and feel of the shoes, you'll enjoy the use of the proven Boa Li2 system. This system allows precise adjustment and a uniform fit across the foot while removing any pressure points. Twist. Adjust. Ride. And because the 'lacing' is so minimal, it allows for greater air circulation and hence greater comfort. Boa Technology also guarantees the reels and the cables of the BOA closing system for the entire useful life of the product.Gaerne EPS Carbon 12.0 SoleMade from Carbon Fibre, the Gaerne EPS Carbon 12.0 Sole is both super-light and super-thin. And yet it rates 12 out of 12 on Gaerne's stiffness scale. This provides superb foot stability on the pedals and ensures all your hard-won watts are transferred to the pedals. The slim sole also keeps your foot closer to the pedal axle, delivering a more natural and efficient pedal stroke. Compared to the previous generation, this sole unit now has 9mm more cleat adjustment, letting you get your cleat position just right. Four-air vents guarantee excellent airflow to the foot and anti-slip inserts at the toe and an interchangeable pad in the rear makes it easier to walk when you're off the bike. Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Laser-perforated microfibre upperAnatomical tongueBoa Li2 Twin-Dial adjustmentTarsal Support SystemEPS Lightweight transpirant insoleIntegrated anti-slip heel-cupGaerne EPS lightweight full carbon sole 12.0 - Rated 12/12 Stiffness3-bolt cleat compatible (Cleats not supplied)Weight: 293g (Size 43)Buy Gaerne Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Gaerne Carbon G. Chrono Road Cycling ShoesFrom dropping rivals on steep climbs, accelerating hard out of tight and twisty corners at a criterium or hitting your power-number in training, the Gaerne Carbon G. Chrono Road Cycling Shoes deliver uncompromised power-transfer.For rapid progress on your road bike, you'll be hard-pressed to beat the Carbon G. Chrono Road Cycling Shoes. A snug and comfortable fit is achieved via a microfiber upper. This gives you a stable pedalling platform while laser-cut vents keep cool air circulating as you build up speed. An integrated anti-slip heel cup holds the foot firmly in place, won't deform when pressure is applied and the anti-tendonitis form allows for the best foot stability and controlPedalling performance is also enhanced via TSS technology. Standing for "Tarsal Support System", this maintains the ideal foot position within the shoe, allowing for greater comfort and an efficient pedal stroke. You also benefit from the EPS Transpirant insole. The anatomical shape offers support and comfort, while perforations are used to regulate temperature. BOA Dial BrillianceTo customise the fit and feel of the shoes, you'll enjoy the use of the proven Boa Li2 system. This system allows precise adjustment and a uniform fit across the foot while removing any pressure points. Twist. Adjust. Ride. And because the 'lacing' is so minimal, it allows for greater air circulation and hence greater comfort. Boa Technology also guarantees the reels and the cables of the BOA closing system for the entire useful life of the product.Gaerne EPS Carbon 12.0 SoleMade from Carbon Fibre, the Gaerne EPS Carbon 12.0 Sole is both super-light and super-thin. And yet it rates 12 out of 12 on Gaerne's stiffness scale. This provides superb foot stability on the bike and ensures all your hard-won watts are transferred to the pedals. The slim sole also keeps your foot closer to the pedal axle, delivering a more natural and efficient pedal stroke. Compared to the previous generation, this sole unit now has 9mm more cleat adjustment, letting you get your cleat position just right. Four-air vents guarantee excellent airflow to the foot and anti-slip inserts at the toe and an interchangeable pad in the rear makes it easier to walk when you're off the bike. Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Laser-perforated microfibre upperAnatomical tongueBoa Li2 Twin-Dial adjustmentTarsal Support SystemEPS Lightweight transpirant insoleIntegrated anti-slip heel-cupGaerne EPS lightweight full carbon sole 12.0 - Rated 12/12 Stiffness3-bolt cleat compatible (Cleats not supplied)Weight: 293g (Size 43)Buy Gaerne Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Chromag Quick Release Seatpost ClampKeep your Seatpost securely fastened, thanks to this Quick Release Seatpost Clamp from Chromag. Featuring a quick-release system for easy adjustment, it uses a 6mm bolt for added stability and is kitted out with a brass bushing and streamlined lever for ease of use. Features:Material: 6061 AlloyDiameter: 32mm; 35mmWeight: 54gBuy Chromag Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Force 1 11 Speed Rear DerailleurCyclocross-specific, the Force 1 derailleur brings you the same toughness and slick shifting ability of SRAM’s mountain bike (MTB) range. Designed for 1x11-Speed drivetrains and equipped with fully sealed bearings, it’s ready for the harshest trails.Quiet and Smooth Shifting PerformanceThe internal clutch design eliminates chain slack, making it almost impossible for the chain to fall off the chainring whilst cycling; a real benefit when riding on rough terrain. It also creates a noticeably smoother, quieter and higher performing drivetrain configuration for your bike.Features: Cage Material: Aluminium Pulley/Jockey Wheel Bearings: Steel sealed cartridge bearings Pulley/Jockey Wheel Tooth Count: 12T Speed: 11-Speed Compatibility: SRAM Force and all SRAM drop bar 11-speed shifters Mounting: Standard hanger mount Clutch Type: Yes Cable Pull Ratio: Exact Actuation Maximum Sprocket Size: Short Cage: 26T; Medium Cage: 36T; Long Cage: 42T Manufacturer's Part Number: RD-FRC-1-A2 Weight: Short Cage: 430g; Medium Cage: 434g; Long Cage: 439gTechnologies: Cage Lock: 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 X-Sync: The X-Sync pulley features a 12-tooth design that helps control the chain’s lateral movement Roller Bearing Clutch: Maximum drivetrain stability even through the most punishing terrain. With Roller Bearing Clutch technology, derailleur bounce and chain slap are eliminated without sacrificing precision Exact Actuation: Simplified and stabilised shifting over tight cog spacing found on modern cassettes. By using exact cable tension, the end result is the easiest index shifting system to set up and it stays that way X-Horizon: The ‘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 gearsBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Force 1 11 Speed Rear DerailleurCyclocross-specific, the Force 1 derailleur brings you the same toughness and slick shifting ability of SRAM’s mountain bike (MTB) range. Designed for 1x11-Speed drivetrains and equipped with fully sealed bearings, it’s ready for the harshest trails.Quiet and Smooth Shifting PerformanceThe internal clutch design eliminates chain slack, making it almost impossible for the chain to fall off the chainring whilst cycling; a real benefit when riding on rough terrain. It also creates a noticeably smoother, quieter and higher performing drivetrain configuration for your bike.Features: Cage Material: Aluminium Pulley/Jockey Wheel Bearings: Steel sealed cartridge bearings Pulley/Jockey Wheel Tooth Count: 12T Speed: 11-Speed Compatibility: SRAM Force and all SRAM drop bar 11-speed shifters Mounting: Standard hanger mount Clutch Type: Yes Cable Pull Ratio: Exact Actuation Maximum Sprocket Size: Short Cage: 26T; Medium Cage: 36T; Long Cage: 42T Manufacturer's Part Number: RD-FRC-1-A2 Weight: Short Cage: 430g; Medium Cage: 434g; Long Cage: 439gTechnologies: Cage Lock: 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 X-Sync: The X-Sync pulley features a 12-tooth design that helps control the chain’s lateral movement Roller Bearing Clutch: Maximum drivetrain stability even through the most punishing terrain. With Roller Bearing Clutch technology, derailleur bounce and chain slap are eliminated without sacrificing precision Exact Actuation: Simplified and stabilised shifting over tight cog spacing found on modern cassettes. By using exact cable tension, the end result is the easiest index shifting system to set up and it stays that way X-Horizon: The ‘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 gearsBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Rival 1 11 Speed Rear DerailleurThe SRAM Rival 1 Rear Mech delivers incredibly smooth, quiet and reliable shifting even in the most demanding conditions. It takes the proven technologies of SRAM's 1x mountain bike derailleur design and applies them to provide exceptional off-road performance for cyclocross use.Quiet and Smooth Shifting PerformanceThe internal clutch design eliminates chain slack, making it almost impossible for the chain to fall of the chainring whilst cycling; a real benefit when riding on rough terrain. It also creates a noticeably smoother, quieter and higher performing drivetrain configuration for your bike.Features: Cage Material: Aluminium Pulley Bearings: Steel sealed cartridge bearings Pulley Wheel Size: 12T Speed: 11-Speed Cable Pull Ratio: Exact Actuation Maximum Sprocket Size: Medium Cage: 36T; Long Cage: 42T Weight: Medium Cage: 432g; Long Cage: 438gTechnologies: Cage Lock: 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. X-Sync: The X-Sync pulley features a 12-tooth design that helps control the chain’s lateral movement Roller Bearing Clutch: Maximum drivetrain stability even through the most punishing terrain. With Roller Bearing Clutch technology, derailleur bounce and chain slap are eliminated without sacrificing precision. Exact Actuation: Simplified and stabilised shifting over tight cog spacing found on modern cassettes. By using exact cable tension, the end result is the easiest index shifting system to set up and it stays that way. X-Horizon: The ‘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.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Rival 1 11 Speed Rear DerailleurThe SRAM Rival 1 Rear Mech delivers incredibly smooth, quiet and reliable shifting even in the most demanding conditions. It takes the proven technologies of SRAM's 1x mountain bike derailleur design and applies them to provide exceptional off-road performance for cyclocross use.Quiet and Smooth Shifting PerformanceThe internal clutch design eliminates chain slack, making it almost impossible for the chain to fall of the chainring whilst cycling; a real benefit when riding on rough terrain. It also creates a noticeably smoother, quieter and higher performing drivetrain configuration for your bike.Features: Cage Material: Aluminium Pulley Bearings: Steel sealed cartridge bearings Pulley Wheel Size: 12T Speed: 11-Speed Cable Pull Ratio: Exact Actuation Maximum Sprocket Size: Medium Cage: 36T; Long Cage: 42T Weight: Medium Cage: 432g; Long Cage: 438gTechnologies: Cage Lock: 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. X-Sync: The X-Sync pulley features a 12-tooth design that helps control the chain’s lateral movement Roller Bearing Clutch: Maximum drivetrain stability even through the most punishing terrain. With Roller Bearing Clutch technology, derailleur bounce and chain slap are eliminated without sacrificing precision. Exact Actuation: Simplified and stabilised shifting over tight cog spacing found on modern cassettes. By using exact cable tension, the end result is the easiest index shifting system to set up and it stays that way. X-Horizon: The ‘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.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.