SRAM Apex AXS Crankarm Power Meter Upgrade BPW Bottom Bracket Shell Width (mm):

Bottom Bracket Shell Width (mm): 68mm - 73mm

With both saddle and seatpost mounts

but without the uncomfortable heavy pockets

C9-11 Pareth-6 (CAS#68439-46-3)

SRAM Apex AXS Crankarm Power Meter Upgrade BPW Bottom Bracket Shell Width (mm):Accurate, reliable power measurement is practically a requirement these days, and the SRAM Apex AXS Crankarm Power Meter Upgrade is the easiest way to get precise power numbers. With the technology hidden inside the DUB spindle, it fits almost any bike while remaining completely stealthy. Features DUB PWR spindle based unit measures left side power to calculate total watts Proven reliability and accuracy Long battery life (400+ hours) to power a