Shimano Sprocket for CS-M8000/M7000/HG-800 11-Speed 11t - 13t - 15t - 17t - 19t

19T Shimano Part Number Y1RK19000. 11T (built in spacer type) Shimano Part Number Y1RK11000. 17T Shimano Part Number Y1RK17000. 15T Shimano Part Number Y1RK15000. 13T (built in spacer type) Shimano Part Number Y1RK13000.

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