The Force XPLR AXS power meter is elegantly hidden inside the DUB spindle, which lets you stealthily gather the data you need to progressSpindle-based unit measures left side power to calculate total wattsLong battery life (400+ hours) to power a season of ridesUser replaceable AAA lithium batteryDUB bottom bracket adds durability and simplicityAvailable in 160, 165, 170, 172.5 and 175mm crankarm lengthsIPX7 waterproof to 1 meter for 30 minutes170x42DUBCRBNDirect Mount2x12/13UPC/EAN/GTIN: 710845915581