The FC-R7000 11-speed cranksets are now available as crank arms without chainrings. Individual left-hand crank arms for the Hollowtech II road bike cranksets are also available.
Shimano Ultegra FC-R8000 chainring, 110mm bolt circle, 4-arm asymmetrical, large chainring on the outside, type MS, 11-speed, 50 teeth
Road bike chainring, Shimano Ultegra FC R8000, 110mm bolt circle, 4-arm asymmetrical, large chainring on the outside, 11-speed, type MT, 52 teeth
Road bike chainring, Shimano Ultegra FC R8000, 110mm bolt circle, 4-arm asymmetrical, large chainring on the outside, 11-speed, type MW, 53 teeth
Shimano DURA-ACE FC R9100 / FC R9100 P chainring, 39 teeth, MW type, 110 mm bolt circle, asymmetrical
Shimano DURA-ACE FC R9100 / FC R9100 P chainring, 34 teeth, MS type, 110 mm bolt circle, asymmetrical
Shimano DURA-ACE FC R9100 / FC R9100 P chainring, 52 teeth, MT type, 110 mm bolt circle, asymmetrical
Shimano DURA-ACE FC R9100 chainring / FC R9100 P, 50 teeth, MS type, 110 mm bolt circle, asymmetrical
Original Shimano Ultegra bottom bracket, SM-BBR60, for Hollowtech II road bike cranksets, BSA thread, 68 mm installation width