1 x 10/11/12 speed, 40T, 172.5 mm crankarms, 110 mm BCD, 24 mm axle (Shimano Hollowtech II standard), 68-70 mm BB shell width

1 x 10/11/12 speed, 42T, 175 mm crankarms, 110 mm BCD, 24 mm axle, Shimano Hollowtech II standard, 68-70 mm BB shell width

1 x 10/11/12 speed, 42T, 172.5 mm crankarms, 110 mm BCD, 24 mm axle (Shimano Hollowtech II standard), 68-70 mm BB shell width