The Shimano CS-HG400 is the ideal 9-speed cassette for the ALIVIO M3100 group, perfectly suited for use in the MTB and trekking area. With a robust construction and precise shifting performance, it offers reliable performance on all trails and tours. Product features - Shimano ALIVIO CS-HG400-9 Application: MTB / Trekking Group: ALIVIO M3100 Model: CS-HG400-9 Type: HG (HyperGlide) Gear stages: 9-speed Recommended chain: HG 9-speed Gradation: 11-34 teeth Material Sprocket: Steel Lockring: Steel Color Silver (Ni-Ni-plated) Scope of delivery 1 x Shimano ALIVIO CS-HG400 9-speed cassette incl. lockring This cassette combines durability with optimized shifting behavior, so you always experience the best performance on your bike.