SRAM Red AXS 2x Power Meter E1 Power Meter Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount SRAM 8 Bolt 50/37 DUB 160mm Black Road

29 g lighter than previous generation Power meter is fully integrated into the chainring for lighter weight Power readings are accurate within +/-1.5% and arent affected by climate conditions during a ride Measures right and left leg power balance X-Range