SRAM Red AXS 1x XPLR Power Meter E1, Power Meter Crankset, Speed: 12/13, Spindle: 28.99mm, BCD: Thread Mount, 42, DUB,

Tracking your progress on gravel just got easier and more accurate. With our new spider-based power meter and removable Thread Mount chainrings, the RED XPLR AXS power meter is lightweight, reliable in all weather, and accurate within +/-1.5%. With dual-sided power measurement, even your loftiest of gravel training goals are within reach. When SRAM found ways to make their lightest and stiffest crank even lighter, they went for it. A new process further grams from the hollow carbon arms. Plus they're offering more crankarm lengths than ever before to ensure this crank works for you.All-new design with removable and replaceable Thread Mount chainringsPower readings are accurate within +/-1.5% and aren’t affected by climate conditions during a rideUser replaceable CR2032 battery with 200-hour battery lifeMeasures right and left leg power balanceUltra-light hollow carbon fiber crankarms are 29 g lighter than previous generationWaterproof (IPX7 waterproof to 1 meter for 30 minutes)DUB bottom bracket adds durability and simplicity (Sold separately)150mm Q-factor / 47.5mm chainlineItem SpecificationsRings42Number of ChainringsChain Retaining SingleDrivetrain Speeds12Drivetrain Speeds13Chainline/Hub Compatibility135/142 Road Disc Hubs 415 mm ChainstayColorNatural CarbonCrank Length (mm)175Crank Intended UseGravelBB IncludedNoPedal Spindle9/16"Spindle Interface TypeSRAM DUBDefined ColorCarbon