SRAM Rival AXS Wide Left Crank Arm and Power Meter Spindle Assembly - 170mm, 12/13-Speed, DUB PM Spindle, Black, E1 29" Rims - Praxis M30 crank spindle

- Praxis M30 crank spindle specific 30mm drive bearing/28mm non-drive bearing

4D501016 SK0038

191678-Q0-L

housing stop located at the base of the post

167716-Q0-L

SRAM Rival AXS Wide Left Crank Arm and Power Meter Spindle Assembly - 170mm, 12/13-Speed, DUB PM Spindle, Black, E1 29" Rims - Praxis M30 crank spindleThe Rival AXS left crank arm features a power meter entirely contained in the DUB spindle unit for effortless integration with any bike. Just install, pair, and ride. Rival AXS wide aluminum left crank arm with power meter spindle Spindle based power meter unit measures left side power to calculate total watts Long battery life to power a season of rides Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Right crank arm, Bottom bracket, Spider,