With several years of development and working closely with professional teams you can expect extreme accuracy from Shimano's first fully integrated power meter HollowTech II 12-speed Dura-Ace chainset Accurately calibrated strain gauges are integrated inside both left and right crank arms, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II cold forged hollow crank arms have evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 12-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability
Key Features:Taking many features from pro-level equipment, this 2-piece cap-free design Tiagra chainset offers unbeatable performance,2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assembly,SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting,Designed to work with HollowTech II type bottom bracket cups,Compatible with 10-speed HG-X chains,Anodized aluminium crank arms,Lightweight aluminium chainrings,4 arm, 110 mm bolt circle diameter.
Taking many features from pro-level equipment this 2-piece cap-free design Tiagra chainset offers unbeatable performance2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assemblySG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shiftingDesigned to work with HollowTech II type bottom bracket cupsCompatible with 10-speed HG-X chainsAnodized aluminium crank armsLightweight aluminium chainrings4 arm 110 mm bolt circle diameter
Taking many features from pro-level equipment this 2-piece cap-free design Tiagra chainset offers unbeatable performance2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assemblySG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shiftingDesigned to work with HollowTech II type bottom bracket cupsCompatible with 10-speed HG-X chainsAnodized aluminium crank armsLightweight aluminium chainrings4 arm 110 mm bolt circle diameter
Great value Tourney road chainset, perfect for riders who are taking there first steps into cycling. The tourney range features the fantastic ride quality and durability of the more expensive options but at a lower more wallet-friendly price tag.The SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting across the range of gears. The chainrings are manufactured from hard wearing steel to provide optimum durability, while the crank arms themselves are crafted from lightweight aluminium to help keep the overall weight to a minimum.Key Features:Crank construction: 2-piece solid crank construction,Chain compatibility: HG For 7/8-Speed (CN-HG40),Chainring sets: 50-34T,Bolt circle diameter: Riveted,Crank arm length: 170mm,Bottom bracket: BB-UN26,Chain Line: 43.5mm,Square tapered bottom bracket not included.
Great value Tourney road chainsetSG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shiftingDesigned to fit square tapered bottom bracket spindleCompatible with 7/8-speed Shimano chainsLightweight aluminium crank armsHard-wearing steel chainrings.
Key Features:Entry level 7/8-speed chainset offering slick hyperdrive shifting performance for off road enthusiasts,Hyperdrive SG-X chainrings for fast and smooth gear shifts,7/8-speed compatible steel chainrings,For use with 123 mm square taper bottom brackets,.*Please Note: Image is for display purposes only. Item is available with or without chain guard - please check before ordering.
Entry level 7 / 8-speed chainset offering slick hyperdrive shifting performance for off road enthusiasts,7 / 8-speed compatible steel chainrings,For use square taper bottom brackets,Bolt circle diameter (BCD) 104mm outer, 64mm inner..
This is the Shimano Acera M371 Triple Chainset. It features a square taper bottom bracket fitment and a pin position with better clearance toward chainset. This is a great quality triple chainset for use with square taper bottom brackets. Comes with either 170 or 175 crank arms dependant on the ratio you choose (see below).Acera components are characterized by three keywords: accurate, precise and stylish. This group provides accurate shifting with less loss of pedal power.Wide variety of chain case choicesSquare taper bottom bracket fitmentPin position with better clearance toward chain caseWide variety of choices:48/36/36 170mm crank - 44/34/24 175mm crank - 48/36/26 175mm crank
Wide variety of chain case choicesSquare taper bottom bracket fitmentPin position with better clearance toward chaincase.
Great value Deore M4100 2-piece design chainset for 10-speed Dyna-Sys MTB HG-X transmissionsForged crank arms rigid whilst being incredibly strong and durable,HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability,SG-X chainring with patented spike pins give smooth and fast gear shifts under load,We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit,48.8 mm chain line for use with 135/142 mm O.L.D. frames,51.8 mm chain line for use with 148 mm O.L.D. frames,10-speed Dyna-Sys compatible.
The Shimano Deore FC-M4100 mountain bike crank delivers precise and reliable shifting for 2x10-speed drivetrains. This 2-piece crank offers a 36-26T gear combination and a 51.8 mm chainline that is compatible with 148 mm frames.2-Piece Crankset increases rigidity of crankset with less weight and transmits pedalling force efficientlyGreat value Deore M4100 2-piece design chainset for 10-speed Dyna-Sys MTB HG-X transmissionsForged crank arms rigid whilst being incredibly strong and durableHollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durabilitySG-X chainring with patented spike pins give smooth and fast gear shifts under loadWe recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit51.8 mm chain line for use with 148 mm O.L.D. frames10-speed Dyna-Sys compatible