Unidirectional carbon fiber arms and aluminum chainring spider provide excellent strength-to-weight. X-Glide tooth profiles and shift assist pins enable quick and reliable front shifting.

• Hidden" chainring bolt threads into crank arm to enhance chainring stiffness
• Chainrings are optimized for Yaw front derailleur
• Q-factor is 145mm

Specifications:

• Number of Chainrings: Double
• Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs > 415 mm Chainstay
• Spindle Interface Type: TruVativ GXP , SRAM/Truvativ GXP
• Chainring BCD: 130
• Color: Black
• Crank Length (mm): 172.5
• Crank Intended Use: Road
• Pedal Spindle: 9/16"
• Rings: 39/53 , 53/39
• Drivetrain Speeds: 11
• Defined Color: Black
• Weight: 699
• BB Included: No