SRAM Left crank / aluminum potentiometer shaft kit RIVAL WIDE D1 DUB DIRECT MOUNT 172.5 MM 103697

Shaft-based DUB-PWR unit measures left side and calculates total watts.

A long-lasting battery guarantees a season full of outings.

AAA batteries that can be changed by the user.

Wide chainline for bikes with tires up to 700x45c or 27.5x2.1 (for 43/30 chainrings only).

To obtain availability information, please contact your sales representative.