The HollowTech II 11-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive ridersHollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load,The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer,Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight,Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm and 410mm chain stay length,A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines,HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency,HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately).
Key Features:The HollowTech II 12-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders,HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load,The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer,Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight,Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm,A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines,HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency,HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately).
The HollowTech II 12-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite ridersHollow 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 4 arm cold forged hollow crank arms have been 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.
HOLLOWTECH II Crankset (11-speed)Key Features:Balances weight and efficiency without sacrificing stiffness,Rider Tuned performance with numerous gear combinations,Wider gear pitch increases chain clearance with small/gearings allows for 410 mm chain stays on 135 mm O.L.D.,Optimum power transfer,Multiple options provide greater choice,Greater frame compatibility.
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.
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.
Key Features:Replacement road triple chainset,52t, 42t & 32t chainrings,Square taper,170mm alloy crank arms.
A simple precision-made component that gives valuable insurance against front derailleur malfunctions,Pro model is easier to fit and allows for independent adjustment of the front mech and chain catcher,Used to good effect by top professional riders in the Olympic games, World Championships, Tour de France, Giro d'Italia, Paris Roubaix, and many more,It acts as a ramp to guide your chain and virtually eliminates the possibility of your chain dropping off the small chainring onto the bottom bracket, helping to protect your frame and keep you in gear,Highly recommended to prevent structural damage to carbon and aluminium frames, but also protects the finish of any other frame material,Complete with all mounting hardware and fits onto braze-on frame mounts,Compatible with double chainring Shimano, Campagnolo, and SRAM derailleurs,Made from 6061 T6 heat treated aluminium,Long-lasting protective anodised finish,Adds only 15 grams of weight,K-Edge products are proudly CNC machined in the USA and have a Lifetime warranty: you break it, well replace it.
Genuine Shimano replacement part
Our Praxis TT Road Chainrings are the result of relentless testing and tweaking, matched with the best material and manufacturing processes to create some of the smoothest running, most durable and sweetest shifting Chainrings available. These TT Rings are machined from 7075 T6 Aluminium and hard anodized for even more durability. They also feature our famous LevaTime Shifting Technology, which boasts synchronized ramps and strategically placed shift pins for perfectly timed shifts every time.PLEASE NOTE: Chainring Bolts are NOT included.SHIMANO - Our Praxis time trial chainrings work great with the new Shimano 10/11sp chain and drivetrains (Di2 included) when mounted to a traditional 5-arm mount 110 or 130 BCD Shimano crank. They also work great with traditional 5-arm mount aftermarket cranks such as THM, Rotor, Cannondale, Specialized, LOOK and FSA cranks… *Our chainrings do not mount to the new DA9000 crank with its new custom asymmetrical BCD.SRAM - Our chainrings work great with the SRAM 10sp and 11sp drivetrains when mounted to a traditional 5-arm mount 110 or 130 BCD SRAM crank. They also work great with traditional 5-arm mount aftermarket cranks such as THM, Rotor, Cannondale, Specialized, LOOK and FSA cranks.EXOGRAM RED/FORCE/RIVAL CRANKS - Our rings are not made for the brand new SRAM ‘Exogram’ cranks as they are a custom 4-arm mounting. -YAW FRONT DERAILLEUR - Our rings shift great with the new SRAM “Yaw” front derailleur.CAMPY - Our rings work great with Campy 10/11sp chain and drivetrains (EPS included) when mounted on a traditional 5-arm mount 110 or 130 BCD crank such as a THM, Rotor, Cannondale, Specialized, LOOK, FSA crank. Our rings DO NOT mount to Campy cranks.LEVATIME – Our LevaTime shifting is the product of years of relentless testing and tweaking. The final result is a set of some of the finest and fastest-shifting rings available. With a LevaTime ring, several custom shift pins are placed strategically at points on the ring to provide a perfectly timed lift. Synchronized ramps are tuned with a specific inner ring, providing a clean channel for the chain to move upwards. Each individual tooth is sculpted to handle a specific duty. Along with that, the Praixs time trail chainring's precisely located scallops help control chain movement and prevent chain suck.Specification:• LIMITED EDITION MACHINED PRODUCTION• 54/42 130BCD.• Heat Treated and Hard Anodized 7075 T6 Aluminium.• Work with Shimano™ 10/11, Campy 10/11, SRAM 10/11 drivetrains.• Designed for traditional 5-arm 130BCD cranks.• We highly suggest KMC, Shimano™, or Campy chains.• Not compatible with 4-arm Campy or 4-arm SRAM Exogram cranks.• GREAT for use with Di2 or EPS systems.• Power2Max, SRM, and Quarq power meter compatible.
Truvativ Chainring Bolt Kit 5 Arm for Double Steel Black
TruVativ 4 arm bolt kit suitable for Double with RockGuard or chainring guard. Made of steel. Bolt kit comes with 12.5 mm long nuts. Kit includes two sets of bolts: one set is 8 mm long, the other is 9.5 mm. RockGuard bolt position. Available in black colour.Bolt for rock guard or chainring guard,Made of steel,Includes two sets of bolts: 8 bolt of size 8 mm long and 4 bolts of size 9.5 mm length,12.5 mm nut length.