2.9500

Aluminum crank arms with hollowed out rear surface for weight reduction. Light weight hard anodized alloy chainrings. Utilizes Campagnolo's Ultra-Torque crank system. Available in black or silver. 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.