Shimano Ultegra FC-6800 53/39 Road Bike Crankset 170mm Posted July 14, 2024 Shimano Ultegra FC-6800 53/39 Road Bike Crankset 170mmShimano Ultegra FC-6800 53/39 Road Bike Crankset 170mm. If you have any questions, do not hesitate to ask. Please view my other items, thank you.