Model : M8100 M8120. M8100 M8120. d SHIMANO DEORE XT SL-M8100 |. d SHIMANO DEORE XT BL-M8100 + BR-M8120 (1000/1700mm). d SHIMANO DEORE XT rear derailleur RD-M8100 SGS. d SHIMANO DEORE XT cassette CS-M8100 | 10-51 teeth.
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