Campagnolo Centaur Crankset 172.5mm 11-Spd 52/36t 112/146 Asymmetric BCD

Aluminum crank arms with hollowed out rear surface for weight reduction. Light weight hard anodized alloy chainrings. Utilizes Campagnolo's Ultra-Torque crank system. Features-Features Campagnolo X.P.S.S. (eXtreme Performance Shifting System) featuring geometrically optimized chainring teeth. Optimized when mated to a full Campagnolo drivetrain-Ultra-Torque system have both drive and non-drive side bearings pre-installed-Double standardized bolt circle diameter allows for use of standard, mid-compact and compact chainrings-Requires use of Ultra-Torque bottom bracket cups-Ultra-Torque axles couple together in the middle of the BB shell via a Hirth Joint that self centers the crank. This results in a very light weight and stiff system that transfers power to the pedals without power loss Item Specifications-Color:Black-Weight:865-Spindle Interface Type:Campagnolo Ultra-Torque-Pedal Spindle:9/16"-Chainring BCD:112 Campagnolo Asymmetric-Chainring BCD:146 Campagnolo Asymmetric-Rings:52/36-BB Included:No-Crank Intended Use:Road-Defined Color:Black-Crank Length (mm):172.5-Drivetrain Speeds:11-Number of Chainrings:Double-Chainline/Hub Compatibility:130 Hubs