SRAM Red AXS 1x XPLR Power Meter E1 Power Meter Crankset Speed: 12/13 Spindle: 28.99mm BCD: Thread Mount 42 DUB 165mm Black Road Disc

All-new design with removable and replaceable thread-mount chainrings, available in 38T-46T Power readings are accurate within +/-1.5% and arent affected by climate conditions during a ride User replaceable CR2032 battery with 200-hour battery life Measure