Brand: Shimano
Model: Deore RD-M4120 & SL-M4100 (Window Type)
Type: Rear derailleur and trigger shifter set
Series: Shimano Deore M4100
Drivetrain: 1×10-speed / 2×10-speed Compatible
Compatibility: Compatible with Shimano Deore M4100 10-speed drivetrains, Shimano HG 10-speed cassettes, Shimano 10-speed chains, and Shimano MTB freehub systems
Rear Derailleur: RD-M4120 SGS (Long Cage) with Shimano Shadow RD technology for improved chain stability and wide-range cassette compatibility
Shifter: SL-M4100 Rapidfire Plus 10-speed trigger shifter with Optical Gear Display (Window Type) and 2-Way Release technology
Material: Aluminum alloy with reinforced composite and steel components
Finish: Black finish
Technology: Shimano Shadow RD, Rapidfire Plus, Optical Gear Display, and 2-Way Release technologies for smooth, accurate, and reliable shifting performance
Design: Lightweight and durable drivetrain components engineered to deliver crisp gear changes, excellent chain retention, and dependable performance on a variety of trails
Features: Shadow RD low-profile derailleur, Optical Gear Display (Window Type), ergonomic Rapidfire Plus shifter, 2-Way Release shifting, precise indexing, wide-range cassette compatibility, and durable construction
Use Case: Cross-country, trail riding, all-mountain, commuting, bikepacking, and recreational mountain biking requiring dependable 10-speed mechanical shifting performance.