SRAM Force Crank Arm Assembly - 175mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle Carbon E1 ISO Width (mm)-23 The F2 model is optimized

The F2 model is optimized for firmer and faster snow conditions with longer pressure zones to maximize top-end speed and a longer groove to improve stability at high speed on a harder snowpack

RoadLink - allows for wide range cassettes to be used with Shimano road rear derailleurs

Features a steel air chamber

Ultralight Cassette Lock Ring Wrench Insert

SRAM Force Crank Arm Assembly - 175mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle Carbon E1 ISO Width (mm)-23 The F2 model is optimizedSRAM Force Crank Arm Assembly 175mm 12 13 Speed 8 Bolt Direct Mount DUB Spindle Carbon E1. Form and function. The design of the Force crankarm is a wonder of carbon; light and stiff to effortlessly propel you forward. The 8 bolt interface will fit any SRAM AXS spider or integrated chainring with or without power. The light stiff and durable DUB spindle interface also fits nearly any frame. 8 bolt interface compatible with power and non power AXS