RD-M4120-SGS SHIMANO DEORE – Rear Derailleur – SHIMANO SHADOW RD – 2×10/11-speed Using a low profile SHIMANO SHADOW RD design, the SHIMANO DEORE M4120 derailleur is perfect for 2×10 and 2×11-speed MTB riding. For 2X11 and 2×10-speed Low-profile design avoids damage from rocks ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***
