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

Rings	50/34
Number of Chainrings	Double
Drivetrain Speeds	11
Chainring BCD	110
Chainline/Hub Compatibility	135/142 Road Disc Hubs > 415 mm Chainstay
Color	Black
Crank Length (mm)	170
Crank Intended Use	Road
Weight	688
BB Included	No
Pedal Spindle	9/16"
Spindle Interface Type	SRAM/Truvativ GXP
Defined Color	Black
Size	170Mm
Chainring Size	50/34T
Bcd	110