Ultegra R8100. 52-36 tooth chain rings - semi compact. Includes chain ring bolts.
Shimano Ultegra R8100 Chain rings 50-34 12 speed Compact
Shimano Ultegra R8100 NEW 52/36 Chain Rings 12 Speed
Shimano Ultegra R8100 Crank Arm Protection Set | Shield Clear Vinyl | Cyclistick
Shimano Ultegra R8100 12 Speed LEFT RIGHT CRANKSET 165mm
Shimano Ultegra R8100 4iiii Dual Precision Pro Powermeter Crankset– 175mm 52/36T
