Model Number : M6100. Shimano RD-M6100 Rear Derailleur SGS. Shimano SL-M6100 Rapidfire Plus Shifting Lever 12-speed - right. Shimano CN-M6100 Chain. Compatibility: For SHIMANO and SRAM (Note: Must be a conventional cassette hub,not compatible with thread-on hub or other special types of hubs, such as Micro Spline, etc.).
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