What cranks are compatible with the C1? To see which cranks the C1 currently works with, please see our compatibility chart. Related articles Can I replace the chainrings if they get worn? Is the C1 Chainring compatible with osymetric chainrings? Will the C1 need to be calibrated? How can I tell if my hub is 11-speed compatible? How is the PowerCal any different (why is it better) than a Heart Rate Monitor?