Shimano FC-R8100 Ultegra 12 speed inner chainring, 34T-NK for 50/34T
Shimano FC-R8100 Ultegra 12 speed inner chainring, 36T-NH for 52/36T
Shimano FC-R8100 Ultegra 12 speed outer chainring, 50T-NK for 50/34T
Shimano FC-R8100 Ultegra 12 speed outer chainring, 52T-NH for 52/36T
Shimano FC-R8100 Ultegra left hand crank arm unit
Shimano ST-R8170 bracket covers, pair
Shimano FC-R8100-P left hand crank arm unit, 160 mm
Shimano FC-R8100-P left hand crank arm unit, 165 mm
Shimano FC-R8100-P left hand crank arm unit, 170 mm
Shimano FC-R8100-P left hand crank arm unit, 172.5 mm
Shimano FC-R8100-P left hand crank arm unit, 175 mm
Shimano FC-08 left hand crank arm, 165 mm
