SRAM XX Left Arm with Power Meter Spindle, 170mm, Black Mountain Frames Tall and widely spaced knobs

Tall and widely spaced knobs for superior mud clearance and traction

UPC: 812719023443

UPC: 821973422862

UPC: 072774974559

Synapse Carbon (older generations)

SRAM XX Left Arm with Power Meter Spindle, 170mm, Black Mountain Frames Tall and widely spaced knobsWorld stage proven XX crank arm with a subtly integrated power meter to record and deliver live, accurate power readings to your head unit Utilizes what is called DUB PWR, a unique design that elegantly houses Quarqs reliable and accurate power measurement inside the DUB crank spindle itself Measuring left side power to calculate total watts, its subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life It is also