Ultegra R8100. Includes chain ring bolts.
Shimano Ultegra R8100 Chain rings 52-36 12 speed semi-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 Chainring Set 50/34 NK 12 spd
