Shimano Sprocket for CS-M771-10 10-Speed 11t-12t-13t-14t-15t-16t-17t BJ/BK/BL
£9.50
11T (built in spacer type) Shimano Part Number Y1YR11100. 11T (built in spacer type) Shimano Part Number Y1YR11000. 16T Shimano Part Number Y1YR16000. 12T (built in spacer type) Shimano Part Number Y1YR12000.
