Shimano Ultegra Left Crank Arm 172.5 R8100 Series

Shimano 105 FC-R7000 Crank Arms Left 170mm

Shimano Ultegra R8100 172.5 drive side crank arm ONLY

Shimano Ultegra FC-R8100 Road Bike Crankset Arm Left&Right 165MM/170MM/172.5MM

Shimano Ultegra Chainrings 56 Tooth 36 Tooth Road Bike Chainset Cranks

Shimano Ultegra FC-R8100 Left Crank Arm 160mm

Shimano Ultegra R8100 165mm Left Crank Arm | Lightweight Anodized Aluminum,