Upgrade your shifting performance with the Shimano Alivio M3100 9-Speed Rear Derailleur (SGS Long Cage, Shadow Design). Engineered for both mountain biking and all-terrain riding, this derailleur delivers crisp, reliable shifting across a wide 9-speed drivetrain.
The Shadow design features a low-profile shape with a smooth skid plate surface, helping to reduce the risk of damage from rocks, roots, and trail hazards. A wide-link construction increases rigidity and extends service life, while the lightweight alloy body and outer link balance strength with reduced weight for improved efficiency.
With fluorine-coated link pivot bushings for low-friction movement, 11-tooth pulleys to reduce noise and wear, and compatibility with 9-speed Hyperglide cassettes, the Shimano Alivio M3100 is built for long-lasting performance in tough riding conditions.
Perfect for riders seeking a durable, value-packed derailleur with smooth and precise shifting, the Shimano Alivio M3100 SGS 9-Speed Shadow Rear Derailleur is ideal for MTB, trekking, and all-round trail riding.