shimano m4120 deore 10/11 speed rear mech sgs in black

SHIMANO DEORE - Rear Derailleur - SHIMANO SHADOW RD - 2x10/11-speed

Using a low profile SHIMANO SHADOW RD design, the SHIMANO DEORE M4120 derailleur is perfect for 2x10 and 2x11-speed MTB riding.