Shimano 105 FC-5800 50/34 Road Bike Crankset 175mm Long Arm Posted August 24, 2024 Shimano 105 FC-5800 50/34 Road Bike Crankset 175mm Long ArmShimano 105 FC-5800 50/34 Road Bike Crankset 175mm Long Arm. If you have any questions, do not hesitate to ask. Please view my other items, thank you.