Deore M4120 Shadow 10/11-speed rear derailleur for the dependable shifting performance and durability.

Shadow design features a super low profile design and optimized slant angle for super light shifting action.

• SGS Shape – Long Cage Design
• Single tension spring prevents contact with the chainstay resulting in a silent ride
• Direct cable routing prevents snagging from any trail side hazards
• Wide alloy links and pivot body
• Fluorine-coated link pin bushings
• Strong return spring for a positive shifting feel
• Durable 11T bearing pulleys for low friction
• Top normal spring uses the spring to select higher gears
• HG-X11 11-speed and HG-X 10-speed compatible
• Max low sprocket: 42T (2×11/2×10-speed)
• 41T capacity SGS cage