Accurate and reliable power measurement is practically a requirement these days, and upgrading to the Apex AXS power meter is the easiest way to get accurate power figures. With technology hidden in the DUB axle, it fits almost any bike while remaining discreet.Product benefits: The DUB-PWR unit, based on an axle, measures power on the left side to calculate the total number of watts. Proven reliability and accuracy from Quarq. DUB bottom bracket for simplicity and durability. Long battery life (over 400 hours) to power a season of rides. User-replaceable AAA lithium battery. Waterproof (IPX7 up to 1 meter for 30 minutes). Lightweight (less than 1.4 oz heavier than a standard crankset).Details: Bottom bracket axle: DUB Wide. Compatible: 12 speeds. Direct Mount chainring mounting. Without chainring. Power meter in the axle. Material: Aluminum. Color: Black.Part numbers: 00.3018.346.002 / Left Arm and Power Meter Spindle Assembly Apex D1 DUB WIDE 170 (Right Arm/BB/Spider/Chainrings not included) 00.3018.346.003 / Left Arm and Power Meter Spindle Assembly Apex D1 DUB WIDE 172.5 (Right Arm/BB/Spider/Chainrings not included) 00.3018.346.004 / Left Arm and Power Meter Spindle Assembly Apex D1 DUB WIDE 175 (Right Arm/BB/Spider/Chainrings not included)
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