Shimano FC-R8000 Ultegra 50/34 Teeth Crankset R8000 Road Bike Crank 172,5mm Posted June 14, 2023 Shimano FC-R8000 Ultegra 50/34 Teeth Crankset R8000 Road Bike Crank 172,5mmShimano FC-R8000 Ultegra 50/34 Teeth Crankset R8000 Road Bike Crank 172,5mm.