SRAM XX Left Arm with Power Meter Spindle, 165mm, Black Stem Parts + Accessories Manufacturer Part Number: BB19BB12112424

Manufacturer Part Number: BB19BB12112424

UPC: 710845881459

UPC: 710845861802

155160-Q0-L

Manufacturer Part Number: CS-PRO-10

SRAM XX Left Arm with Power Meter Spindle, 165mm, Black Stem Parts + Accessories Manufacturer Part Number: BB19BB12112424World 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