XT M8100 M8120 SGS Deragliatore Posteriore 12v 2V Leva Cambio SHADOW RD 1x12 Velocità

Option 6 ：M8120 Group( Right 12 Speed Shifter Lever with RD-M8120-SGS Rear Derailleur). Option 5 ：M8100 Group( Right 12 Speed Shifter Lever with RD-M8100-SGS Rear Derailleur). SERIES DEORE XT M8100 Series.

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