Using a low profile SHIMANO SHADOW RD design, the SHIMANO DEORE M4120 derailleur is perfect for 2x10 and 2x11-speed MTB riding. Series: DEORE XT M7100 Series. RD-M4120-SGS-SHIMANO DEORE - Rear Derailleur - SHIMANO SHADOW RD - 2x10/11-speed.
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