SRAM, X0 PM, Left Arm with Power Meter Spindle, Spindle: 28.99mm, DUB, 170mm, Black, Boost

X0 Eagle AXS Transmission Left arm Spindle Power Meter provides riders with accurate, live power data delivery. “DUB-PWR” elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components. No-compromise, no-fuss data delivery with robustness in mind. FEATURES • +/- 3% accuracy • Long battery life (400+hours) • User replaceable AAA lithium battery • Waterproof (IPX7 waterproof to 1 meter for 30 minutes) • Left arm and spindle only • Right arm, Bottom bracket, Chainring and Spider are NOT included • SRAM Model ID: PM-X0-ASSY-D1