SRAM Red AXS 1x Aero Power Meter E1 Power Meter Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount SRAM 8 Bolt 50 DUB 160mm Black Road

Power meter is fully integrated into the chainring for lighter weight and greater accuracy Power readings are accurate within +/-1.5% and arent affected by climate conditions during a ride Measures right and left leg power balance Ultra-light hollow carbon