SRAM Apex - Incompatible January 26, 2022 20:56 Updated The Apex has a concave channel on the inside of the crank arm that does not support our powermeters. Related articles Shimano GRX 600 Series Which Cranks are Compatible with 4iiii Powermeters? I Have a Non-Compatible Shimano Crankset, is there a Ride Ready Powermeter that will work?
