Highly reliable power measurement sits inside the crank spindle for clean integration, and it's available in the standard 145mm or 150mm Q-Factor Wide version, so it fits on more bikes than ever before.
Compatibility: With the entire SRAM Road WIDE DUB BB range, except Ai and SRAM Road DUB BB, except Ai.
DUB-PWR – Shaft housed measures left side and calculates total watts. Long battery life (more than 400 hours).
Direct Mount: direct mounting.
Does not include: right crank, cups, spider or chainrings.