Deore M4120 Shadow 10/11-speed rear derailleur for the dependable shifting performance and durability. Shimano Deore RD-M4120 10 / 11 Speed Rear Derailleur SGS. - 41T capacity SGS cage. - Shadow design features a super low profile design and optimized slant angle for super light shifting action.

Brand: Shimano
Part Type: Rear Derailleur
Colour: Black
Derailleur Cage Length: Long Cage