RED 1 AXS Power Meter Crankset E1 - SRAM RED 1 AXS Power Meter Crankset -
Chainring BCD Direct Mount SRAM. Spindle Interface Type SRAM DUB. Crank Length (mm) 170. Power readings are accurate within +/-1.5% and aren t affected by climate conditions during a ride. Number of Chainrings Chain Retaining Single.