Shimano GRX FC RX 810 crankset, 11-speed, 40-tooth chainring, 170 mm length.

Shimano GRX FC RX 810 crankset, 11x2-speed, 48-31-tooth ratio, 170 mm length.

Shimano GRX FC RX 810 crankset, 11x2-speed, 48-31-tooth ratio, length 172.5 mm

Shimano GRX FC RX 810 crankset, 11x2-speed, 48-31-tooth ratio, 175 mm length

Shimano GRX FC RX 810 crankset, 11-speed, 40-tooth chainring, length 172.5 mm.

Shimano GRX FC RX 810 crankset, 11x1-speed, 40-tooth chainring, length 175 mm.

Shimano GRX FC RX 810 crankset, 11-speed, 42-tooth chainring, 170 mm length.

Shimano GRX FC RX 810 crankset, 11-speed, 42-tooth chainring, length 172.5 mm.

Shimano GRX FC RX 810 crankset, 11-speed, 42-tooth chainring, 175 mm length.

Shimano GRX FC RX 810 chainring, 11x1-speed, 110mm asymmetric chainline, 40 teeth

Original Shimano Ultegra bottom bracket, SM-BBR60, for Hollowtech II road bike cranksets, BSA thread, 68 mm installation width