The Shimano HG400 9-speed cassette is an essential part of Shimano 9-speed groupsets such as Alivio or Altus. With hyperglide technology applied, the chain passes smoothly from one equipment to another. This cassette is designed with perforated gears to minimize weight. With the Shimano TL-LR10 or TL-LR15, you can easily mount and remove the cassette. The Shimano HG400 9-speed cassette is perfect for cyclists looking for a reliable, durable cassette for their Shimano groupset. Product specifications: - Brand: Shimano -Name: CS-HG400-9 - Type: Cassette - Material: nickel - plated steel - Weight: 240 grams - Gears: 9 -Gear combination: 11-12-14-18-21-24-28-32 - Group name: Alivio M4000 / T4000, Altus - Recommended chain: 9 speed