Yes, the Shimano R8000 left-side crank arm is compatible with the R8100 series. Both series follow the Shimano Hollowtech II design principle which ensures cross-compatibility within most Shimano road groupsets. However, it's always vital to verify compatibility depends on specific factors such as bike frame, bottom bracket standard, and chainring size.
Gefragt Apr 8, 2024 12:23 PM