Forged hollow aluminum crank arms maximize stiffness while minimizing weight. Light weight hard anodized alloy chainrings and alloy chainring bolts.

• Features Campagnolo X.P.S.S. (eXtreme Performance Shifting System) featuring geometrically optimized chainring teeth. Optimized when mated to a full Campagnolo drivetrain
• Double standardized bolt circle diameter allows for use of standard, mid-compact and compact chainrings
• Defined Color: Black
• Rings: 50/34
• Spindle Interface Type: Campagnolo Ultra-Torque
• Chainring BCD: 112 Campagnolo Asymmetric
• Chainring BCD: 146 Campagnolo Asymmetric
• Color: Black
• Chainline/Hub Compatibility: 130 Hubs
• Drivetrain Speeds: 11
• Weight: 775
• Number of Chainrings: Double
• Crank Intended Use: Road
• BB Included: No
• Pedal Spindle: 9/16″
• Crank Length (mm): 172.5