Make the power speak on every ride. We've taken the reliability, aesthetics and functionality of the famous Quarq crank-integrated power sensor and made it much more affordable.This new power sensor is fully integrated into the DUB axle for a perfectly streamlined design compatible with even more bikes than before.It's an invisible, ultra-lightweight technology that will help you reach the finish line even faster, and take any eTap AXS bike to the next level of power.Product highlights Elegant integrated design. The DUB-PWR unit integrated into the axle measures left leg power and calculates total watts. Quarq's proven reliability and precision. Long battery life for all-season power. User-replaceable AAA battery. DUB crankset adds durability and simplicity Waterproof (IPX7, 1 meter depth for 30 minutes). Lightweight (just 40 g more than the standard crankset). Switch to a power sensor very simply and affordably.Details Battery via AAA cells (+400 hours). Axle: DUB Road (not compatible with Ai). Sold without chainrings. Direct-Mount Sram. Crank material: Aluminum. Color: Black Power sensor in axle.References 00.3018.303.000 / Left crank and Power Meter Rival D1 DUB 160 axle (Right crank/BB/Spider/Chains not included) 00.3018.303.001 / Left Hand Crank and Power Meter Axle Rival D1 DUB 165 (Right Hand Crank/BB/Spider/Chains not included) 00.3018.303.002 / Left Hand Crank and Power Meter Axis Rival D1 DUB 170 (Right Hand Crank/BB/Spider/Chains not included) 00.3018.303.003 / Left crank and Power Meter Axis Rival D1 DUB 172.5 (Right crank/BB/Spider/Chains not included) 00.3018.303.004 / Left crank and Power Meter Axis Rival D1 DUB 175 (Right crank/BB/Spider/Chains not included)