SRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio with material only where it’s needed

8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings (Chainring and spider sold separately)

DUB bottom bracket adds durability and simplicity (Bottom bracket sold separately)

Aluminum arms optimized for stiffness and light weight

Number of Chainrings	No Rings, No Spider Included
Drivetrain Speeds	13
Chainring BCD	Direct Mount SRAM 8-Bolt
Chainline/Hub Compatibility	135/142 Road Disc Hubs > 415 mm Chainstay
Color	Black
Crank Length (mm)	172.5
Crank Intended Use	Road
BB Included	No
Pedal Spindle	9/16"
Spindle Interface Type	SRAM DUB
Defined Color	Black
Crank Length	172.5Mm