Original Shimano parts guarantee that all components work perfectly for optimum performance and ma...Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity. This nickel-plated aluminum construction features a five-arm 144BCD and no shifting pins for single-speed use. Available in sizes 48T, 49T, 50T, 51T, 52T, 53T, 54T and SILVER color. Shimano Reference Number: FC-7710. This is a thick tooth (1/2×1/8) NJS certified part.
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity. This nickel-plated aluminum construction features a five-arm 144BCD and no shifting pins for single-speed use. Available in sizes 48T, 49T, 50T, 51T, 52T, 53T, 54T and SILVER color. Shimano Reference Number: FC-7710. This is a thick tooth (1/2×1/8) NJS certified part.