Mountain Bikes

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Mountain bikes offer the most versatility you can find on two wheels. We stock hardtails, with suspension up front for control and a traditional rear end for simplicity and weight saving. Full suspension mountain bikes soak up the bumps front and back, giving a more comfortable ride and a quicker route down the mountain.

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Search found 1862 Mountain Bikes

Renthal Lock-On Traction Mountain Bike Grips - Black - 130mm, Black
  • £29.95

Renthal Lock-On Traction Mountain Bike GripsCreated by Renthal to keep you in control over the harshest terrains and the most challenging trails, the Lock-On Traction Grips are made in four different compound options. This means you’ll find a type to suit your personal riding style. To ensure they always stay in place, the inner locking rings are integrated with the grip’s core, preventing any movement from developing over time.This Traction grip pattern was designed to give ultimate control in all conditions. The additional mechanical grip of the Traction pattern means that you can retain control, no matter what the weather might throw at you.The handlebar grip is your key contact point for controlling your bike. Having a grip suited to your individual demands is hugely important. For this reason, Renthal offers a wide range of compounds to suit every rider’s preference.Features Material: Renthal Resin Compound (various compound options available) Length: 130mm (grip section 110mm) Use: Mountain Bike (MTB) Single or Pair: Pair Forward facing ramped finger ridges Rearward facing angled palm groovesConsistent patternOpen-Ended grip featuresOffset grip material Compounds:Medium Compound: Gives high levels of control, coupled with increased durabilitySoft Compound: Gives high levels of grip, with its tacky feel and superb, fatigue-reducing shock absorptionAramid Resin Compound: Gives the ultimate combination of a soft and tacky feel and unbeatable durabilityUltra Tacky Compound: Gives the ultimate in control, through its unique, adhesive surface coatingTechnologies:Rearward Facing Angled Palm Grooves: When braking or steep descending, the majority of the torque and grip is concentrated through the palm. Grooves cut with a rearward facing angle give improved grip in this situation. As the ramped groove is cut into the grip, it gives a comfortable, large surface area for the palm in normal riding conditionsConsistent Pattern: The grooves and ridges are consistent across the width of the grip, to accommodate riding with your hand in any position. Be it right in the centre, or with the heal of the hand over the end of the grip, the additional traction is just as effectiveOpen-Ended Grip Features: Riding in extreme conditions, crashes are inevitable, which can result in the grip getting packed with mud. We designed the grips to have open-ended grip features, allowing mud to be purged off the end of the gripOffset Grip Material: For comfort, the grip material under the palm area has been increased to give improved cushioning. Thinner grip material is used under the finger area to keep the overall outside diameter the sameBuy Renthal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Renthal Lock-On Traction Mountain Bike Grips - Yellow - 130mm, Yellow
  • £20.99
  • RRP £34.49
  • Saving you £39

Renthal Lock-On Traction Mountain Bike GripsCreated by Renthal to keep you in control over the harshest terrains and the most challenging trails, the Lock-On Traction Grips are made in four different compound options. This means you’ll find a type to suit your personal riding style. To ensure they always stay in place, the inner locking rings are integrated with the grip’s core, preventing any movement from developing over time.This Traction grip pattern was designed to give ultimate control in all conditions. The additional mechanical grip of the Traction pattern means that you can retain control, no matter what the weather might throw at you.The handlebar grip is your key contact point for controlling your bike. Having a grip suited to your individual demands is hugely important. For this reason, Renthal offers a wide range of compounds to suit every rider’s preference.Features Material: Renthal Resin Compound (various compound options available) Length: 130mm (grip section 110mm) Use: Mountain Bike (MTB) Single or Pair: Pair Forward facing ramped finger ridges Rearward facing angled palm groovesConsistent patternOpen-Ended grip featuresOffset grip material Compounds:Medium Compound: Gives high levels of control, coupled with increased durabilitySoft Compound: Gives high levels of grip, with its tacky feel and superb, fatigue-reducing shock absorptionAramid Resin Compound: Gives the ultimate combination of a soft and tacky feel and unbeatable durabilityUltra Tacky Compound: Gives the ultimate in control, through its unique, adhesive surface coatingTechnologies:Rearward Facing Angled Palm Grooves: When braking or steep descending, the majority of the torque and grip is concentrated through the palm. Grooves cut with a rearward facing angle give improved grip in this situation. As the ramped groove is cut into the grip, it gives a comfortable, large surface area for the palm in normal riding conditionsConsistent Pattern: The grooves and ridges are consistent across the width of the grip, to accommodate riding with your hand in any position. Be it right in the centre, or with the heal of the hand over the end of the grip, the additional traction is just as effectiveOpen-Ended Grip Features: Riding in extreme conditions, crashes are inevitable, which can result in the grip getting packed with mud. We designed the grips to have open-ended grip features, allowing mud to be purged off the end of the gripOffset Grip Material: For comfort, the grip material under the palm area has been increased to give improved cushioning. Thinner grip material is used under the finger area to keep the overall outside diameter the sameBuy Renthal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Renthal Lock-On Traction Mountain Bike Grips - Medium Grey - 130mm, Medium Grey
  • £26.95
  • RRP £30.49
  • Saving you £12

Renthal Lock-On Traction Mountain Bike GripsCreated by Renthal to keep you in control over the harshest terrains and the most challenging trails, the Lock-On Traction Grips are made in four different compound options. This means you’ll find a type to suit your personal riding style. To ensure they always stay in place, the inner locking rings are integrated with the grip’s core, preventing any movement from developing over time.This Traction grip pattern was designed to give ultimate control in all conditions. The additional mechanical grip of the Traction pattern means that you can retain control, no matter what the weather might throw at you.The handlebar grip is your key contact point for controlling your bike. Having a grip suited to your individual demands is hugely important. For this reason, Renthal offers a wide range of compounds to suit every rider’s preference.Features Material: Renthal Resin Compound (various compound options available) Length: 130mm (grip section 110mm) Use: Mountain Bike (MTB) Single or Pair: Pair Forward facing ramped finger ridges Rearward facing angled palm groovesConsistent patternOpen-Ended grip featuresOffset grip material Compounds:Medium Compound: Gives high levels of control, coupled with increased durabilitySoft Compound: Gives high levels of grip, with its tacky feel and superb, fatigue-reducing shock absorptionAramid Resin Compound: Gives the ultimate combination of a soft and tacky feel and unbeatable durabilityUltra Tacky Compound: Gives the ultimate in control, through its unique, adhesive surface coatingTechnologies:Rearward Facing Angled Palm Grooves: When braking or steep descending, the majority of the torque and grip is concentrated through the palm. Grooves cut with a rearward facing angle give improved grip in this situation. As the ramped groove is cut into the grip, it gives a comfortable, large surface area for the palm in normal riding conditionsConsistent Pattern: The grooves and ridges are consistent across the width of the grip, to accommodate riding with your hand in any position. Be it right in the centre, or with the heal of the hand over the end of the grip, the additional traction is just as effectiveOpen-Ended Grip Features: Riding in extreme conditions, crashes are inevitable, which can result in the grip getting packed with mud. We designed the grips to have open-ended grip features, allowing mud to be purged off the end of the gripOffset Grip Material: For comfort, the grip material under the palm area has been increased to give improved cushioning. Thinner grip material is used under the finger area to keep the overall outside diameter the sameBuy Renthal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Renthal Apex Mountain Bike Stem - Black - Gold - 1.1/8", Black - Gold
  • £71.99
  • RRP £116.49
  • Saving you £38

Renthal Apex Mountain Bike StemReady for fast cross country (XC) racing and the toughest enduro and all-mountain trails, the Apex mountain bike (MTB) stem brings you the strength, durability and firm hold you need when you’re riding at your limits. Ideal for use with modern bikes, it will instantly enhance how your bike handles by stiffening up your front end and reducing its overall weight too.Strong and Light MTB StemWith unique 240-degree handlebar clamps that allow much of the stem body material to be removed - meaning this MTB stem weighs in at 118 grams, the Apex Stem retains the strength and stiffness demanded by modern, wide handlebars. Fully CNC machined and featuring an oversize centre bore, extensive 3-D machining and external webbing to maximise structural strength and stiffness, the Renthal Apex Stem is a big upgrade to a small component.Features: Material: CNC machined from a solid billet of 2014 aluminium with 7075 aluminium clamps 3D Machined: Extensive 3D machining and external webbing increase the torsional stiffness of the stem, whilst keeping weight to a minimumHigh Quality Finish: After CNC machining, the stem is anodised and laser marked to give a very high quality and durable finish 240-Degree Clamps: The clamps are inserted over the small diameter section of the handlebar and slid into the centre, giving a 240-degree wrap of the handlebar Oversize Centre Bore: The unique handlebar clamping system opens up the front of the stem, allowing an oversize centre bore, to increase stiffness and strengthRise: +/- 6° Invertible: YesClamp Width: 46mmStack Height: 40mmClamp Diameter: 31.8mm Steerer Clamp Diameter: 28.6mm (1 1/8") Stem Cap Included: No Compatibility: 31.8mm handlebars and 1 1/8" fork steerer tubes Weight: 118g (40mm)Buy Renthal Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Renthal Strata Duo Mountain Bike Stem - Black - Gold - 1.1/8", Black - Gold
  • £72.99
  • RRP £116.49
  • Saving you £37

Renthal Strata Duo Mountain Bike Stem A tough and lightweight mountain bike (MTB) stem that offers much more than just a unique look, the revolutionary two-piece construction of the Strata Duo model delivers outstanding strength without adding excess bulk to your ride. Each piece has been extensively CNC machined by Renthal to shave as much material as possible, without sacrificing rigidity or durability. This special design also gives you a more efficient U-shaped handlebar clamp area, which removes the usual stress points that can cause your bars to become damaged or even fail. It’s an ideal choice for aggressive riders who want to make their bike’s front end lighter and to have a distinctive look.Features: Material: CNC Machined from 6082 T6 Aluminium Alloy Handlebar Clamp Diameter: 31.8mmSteerer Tube Clamp Diameter: 1.1/8"Rise: 10°Stack Height: 40mmInvertible: NoStem Cap Included: No Split stem design for maximum weight reduction U shape clamping area eliminates traditional stress risers for the handlebarWeight: 40mm Length: 139g (including bolts); 50mm Length: 124g (including bolts)Buy RaceFace Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Chromag BZA 35mm Mountain Bike Stem - Blue - 1.1/8", Blue
  • £88.99
  • RRP £109.99
  • Saving you £19

Chromag BZA 35mm Mountain Bike StemCNC Machined from a premium 6061 Alloy, the BZA 35mm bike stem is perfect for pairing with the geometry seen on today’s mountain bikes (MTBs), which tend to have longer top tubes for increased stability. At only 35mm in length, it gives you snappy, responsive steering for attacking the most technical trail sections at speed. Tipping the scales at only 165 grams, it’s an ideal match for larger 35mm handlebars such as Chromag’s OSX 35 and BZA models.Features: Material: Full CNC Machined Premium 6061 AlloyRise: 0°Bar Clamp Area: 35mmSteerer Tube Clamp Area: 1.1/8"Stack Height: 38mmInvertible: NoStem Cap Included: NoSharp, clean and intricate designStrong, stiff and lightweightDesigned for the BZA or OSX 35 handlebarManufactured and assembled in Whistler, CanadaWeight: 165g (35mm extension)Please Note: This stem is only compatible with handlebars with a central clamp area of 35mm in diameter.Buy Chromag Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Chromag BZA 35mm Mountain Bike Stem - Black - 1.1/8", Black
  • £76.99
  • RRP £109.99
  • Saving you £30

Chromag BZA 35mm Mountain Bike StemCNC Machined from a premium 6061 Alloy, the BZA 35mm bike stem is perfect for pairing with the geometry seen on today’s mountain bikes (MTBs), which tend to have longer top tubes for increased stability. At only 35mm in length, it gives you snappy, responsive steering for attacking the most technical trail sections at speed. Tipping the scales at only 165 grams, it’s an ideal match for larger 35mm handlebars such as Chromag’s OSX 35 and BZA models.Features: Material: Full CNC Machined Premium 6061 AlloyRise: 0°Bar Clamp Area: 35mmSteerer Tube Clamp Area: 1.1/8"Stack Height: 38mmInvertible: NoStem Cap Included: NoSharp, clean and intricate designStrong, stiff and lightweightDesigned for the BZA or OSX 35 handlebarManufactured and assembled in Whistler, CanadaWeight: 165g (35mm extension)Please Note: This stem is only compatible with handlebars with a central clamp area of 35mm in diameter.Buy Chromag Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM NX Eagle 12 Speed Mountain Bike Groupset - Black - 11-50t, Black
  • £229.99
  • RRP £384.00
  • Saving you £40

SRAM NX Eagle 12 Speed Mountain Bike GroupsetThe NX Eagle 12 Speed Mountain Bike Groupset from SRAM offers all the top technologies of SRAM's XX1 and X01 drivetrains at a price that won't break the bank. This groupset includes SRAM's well-known bottom bracket Dynamic Unifying Bottom Bracket (DUB) system, which improves performance between the crank, spindle and bottom bracket for a smoother ride whatever the terrain. Features:Chainset:The NX Eagle DUB chainset is engineered to deliver Eagle 12 speed performance and styling that everyone can enjoy. In addition to the excellent chain retention that’s provided by the X-SYNC™2 chainrings, this chainset provides outstanding power transfer and durability due to the highly advanced DUB bottom bracket system.Chainset Features:  Material: Aluminium (chainring), 7000 series Aluminium (crank arm)  Bottom Bracket Interface: SRAM DUB (bottom bracket not included, available separately) Chainline: 49mm  Bolts: Direct mount  Recommended Chain: SRAM Eagle  Compatibility: All Eagle drivetrains  Weight: 705g (175mm, 32T ring)Shifter:Despite the NX model falling under the “entry-level” category, SRAM has still managed to pack in some of its best technologies. These include ZeroLoss™ and X-Actuation™ technologies, which combine to offer instant shifts and sharp shifting across the full cassette range.Shifter Features:  Material: aluminium/Plastic, Stainless Steel hardware  Compatibility: All Eagle drivetrains  Matchmaker compatible for dropper remote and brake lever integration  Weight: 112gRear Derailleur:As seen on the top-of-the-line XX1 and X01 models, the NX Eagle rear derailleur also adopts SRAM’s 1x specific X-Horizon™ cage design. This carefully engineered mechanism ensures capacity for the huge 11-50T cassette and compliments the smooth Performance of an Eagle 12 speed system. This derailleur also boasts SRAM’s Type-3 Roller Bearing Clutch™ for unrivalled durability and quiet consistent performance.Rear Derailleur Features:   Material: Aluminium (cage), Steel (spring, pulley), Stainless Steel (hardware)  Max Tooth: 50T  Compatibility: All Eagle drivetrains  Weight: 339gChainAt the core of all Eagle drivetrains, the 12 speed Eagle chain is designed and manufactured with SRAM’s Eagle™ architecture. This ensures perfect compatibility with all of the other components in any Eagle ecosystem for highly efficient, smooth and quiet shifting that you can take for granted each and every time you hit the trails.Chain Features:  Material: Steel  Rivet Type: Solid pin  Compatibility: All Eagle drivetrains  Weight: 278g (126 links)CassetteSRAM designed its NX Eagle cassette to provide riders with the option of upgrading to 12 speed, but without the need for a hub or wheel upgrade. Ready to fit straight on to standard “splined-drive” freehubs and offering a massive  11-50T range, this cassette gives you the climbing range you need to attack the climbs and the smooth performance to get the most out of your other Eagle components. This cassette is also designed to be durable enough for the extra demands and abuse of E-MTB use.Cassette Features:  Material: 8 lightweight, stamped steel cogs and 4 high-strength steel cogs pinned onto an aluminium spider  Recommended Chain: Eagle chain only  Compatibility: All Eagle drivetrains  Weight: 615gTechnologies:   X-Sync 2: X-Sync 2 Eagle is the next evolution of SRAM X-Sync technology. The aggressive tooth design provides better chain retention for a smoother, more efficient pedal feel. With a focus on long wear-life, the X-Sync Eagle design reduces friction and the accumulation of mud, grit and grime.  DUB™ Technology: The relationship between bottom bracket spindle and bearing is the core of DUB™ technology. It’s where stiffness meets durability. SRAM took it a step beyond conventional thinking and made everything simpler, by better integrating the relationship between chainring, crank, spindle and bottom bracket. It’s this clear system approach that equals better drivetrain performance.    Zero Loss: The gear cable is engaged instantly with zero loss of movement when you press a shift trigger, every gear change is instant and precise.  Matchmaker X Integrated: You can put everything from your XLoc suspension lockout, your SRAM shifters and brake levers as well as your Reverb XLoc remote, all on two clamps. It's the ideal way to put everything within easy reach and tidies up your bike's cockpit.  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: The Roller Bearing Clutch delivers maximum drivetrain stability even through the most punishing terrain. This stability benefits the drivetrain dramatically, as derailleur bounce and chain slap are eliminated without sacrificing precision.  X-Actuation: Developed specifically for SRAM 1x drivetrains, X-Actuation keeps shifting sharp and consistent across the entire cassette. This makes gears easy to index and provides exceptional performance.  X-Horizon: The X-Horizon ‘straight parallelogram' design limits all movement on the horizontal axis, which makes ghost shifting impossible while also reducing shift force. The large upper pulley offset design maintains a constant chain gap across all gears and guarantees faster and more exact shifting.  Flow Link: Ultra-smooth chain inner-plates are completely devoid of square edges, resulting in a chain that engages the cassette and chainring with far less friction, for quieter performance and better wear life. The design allows a narrower overall profile and a flatter outer-plate that can withstand greater shifting angles. This means more consistent chain riveting and enhanced overall strength is achieved.  PowerLock: SRAM chain engineers developed PowerLock as a tool-free and consistent way to connect mountain bike chains. While PowerLock does not require special tools for installation, the especially tight tolerances of 10, 11 and 12-Speed drivetrains mandate that each PowerLock is good for a one-time application only.  X-Glide 2: This optimised cassette technology, which has been custom designed for the Eagle drivetrain is the next generation of X-Glide shifting. It provides quick, precise, power-on shifting performance throughout the gear range, and increases chain retention on larger cogs.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM SX Eagle 12 Speed Mountain Bike Chainset - Black - 32t}, Black
  • £79.00
  • RRP £93.00
  • Saving you £15

SRAM SX Eagle 12 Speed Mountain Bike ChainsetThe durable SX Eagle 12 Speed Mountain Bike Chainset from SRAM includes all the benefits of the higher-level Eagle drivetrains but without breaking the bank. The chainset includes a high-quality aluminium crank arm construction and a tough steel chainring, making it a hard-wearing chainset for tackling challenging trails. Combining the best of trail-taming components, this chainset is the ideal choice to replace your existing chainset at an affordable price. Features:Material: Crank Arm: Aluminium; Chainring: SteelSpeed: 12 speedTooth Count: 32TChainline: 49mmUse: MTB (mountain bike)Bottom Bracket Compatibility: DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73 and BSA MTB68SPMount: Direct mountTechnologies:DUB: The relationship between bottom bracket spindle and bearing is the core of DUB technology. It’s where stiffness meets durability. SRAM took it a step beyond conventional thinking and made everything simpler, by better integrating the relationship between chainring, crank, spindle and bottom bracket. It’s this clear system approach that equals better drivetrain performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM XG-1175 Mountain Bike Cassette - Black - 10-42t}, Black
  • £197.00

SRAM XG-1175 Mountain Bike CassetteAttack the steepest climbs with confidence with the trail-ready XG-1175 Mountain Bike (MTB) Cassette. SRAM has made this high-performance component with ten hard-wearing steel sprockets, lightweight AL-7075-T6 aluminium for the largest 42-tooth climbing sprocket and strong FULL PIN stainless steel assembly pins. Offering you a wide gear range for every riding situation, each of this cassette’s sprockets has large mud-clearing cut-outs to ensure you’ll always have crisp and accurate gear changes in the toughest riding conditions. Ready for use within MTB, cyclocross (CX) and gravel bike drivetrains, it’s compatible with all SRAM XD-type freehubs.Features: Material: 4130 Chromoly (CrMo) Steel (cog cluster), AL-7075-T6 (largest cog) Speed: 11-Speed Compatibility: SRAM 1x11-Speed MTB, CX and Gravel bike drivetrains, 11-Speed chains Freehub Compatibility: SRAM XD types Technologies: FULL PIN, XD Ratio: 10-42T:10,12,14,16,18,21,24,28,32,36,42T An integral part of the SRAM 1x drivetrain system FULL PIN technology uses ten lightweight, stamped steel cogs and one 42t aluminium cog held together with 123 high-strength stainless steel pins Super wide 10-42T gear range - a perfect fit for any ride Optimised gear steps across the entire sprocket rangeOpen design aids in mud clearance XD™ driver body creates a more stable hub connection Manufacturer's Part Number: CS-XG-1175-A1Weight: 325gBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM PG990 9 Speed Mountain Bike Cassette - Redwin Red - 11-34t}, Redwin Red
  • £87.49

SRAM PG990 9 Speed Mountain Bike CassetteWith a stiff alloy spider at its core, the PG990 9 Speed Mountain Bike (MTB) Cassette is ready for the demands of the most aggressive riders. Race-proven and ridden to the podium at professional races, it adopts SRAM’s PowerGlide II technology. This design provides optimised tooth profiles and shifting ramps on the sprockets, bringing you fast and reliable gear changes, even under hard pedalling. Features: Spider Type: Alloy - divides the load evenly over the cassette providing longer lasting teethFinish: Blast Chrome PlatedLock Ring: Anodised AlloySpeed: 9-SpeedRecommended Chain: PC-991, PC-971Compatibility: All SRAM/Shimano 9-Speed Mountain Bike (MTB) drivetrainsFreehub Compatibility: Common Shimano HyperGlide (HG) style freehubsUse: Mountain BikeRatios: 11-32T: 11,12,14,15,18,21,24,28,32T; 11-34T: 11,13,15,17,20,23,26,30,34TTechnologies: Powerglide IIManufacturer's Part Number: CS-PG-990-A1 Weight: 320g (11-34T)Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM PG850 8 Speed Mountain Bike Cassette - Silver - 11-32t}, Silver
  • £25.00

SRAM PG850 8 Speed Mountain Bike Cassette Built for reliable off-road performance, the PG850 Mountain Bike (MTB) Cassette delivers quick gear changes in your 8-speed drivetrain as you take on the harshest terrains. SRAM has achieved this by optimising its sprocket teeth and shifting ramps. Plus, to ensure many miles of smooth operation, each sprocket has a tough chrome-plated finish.Features: Material: Steel Speed: 8-Speed Compatibility: SRAM and Shimano 8-Speed drivetrains Use: Mountain Bike (MTB), Touring, City Technology: Power Glide II Manufacturer's Part Number: CS-PG-850-A1Weight: 260g (11-28T)Technologies:Powerglide II: Cassette technology optimised for offroad. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shiftingBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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