The Shimano CS-HG400 HG cassette sprocket has a premium-plated design and is compatible with the widely used HG-M spline system. It utilizes Shimano's Hyperglide technology to ensure smooth and precise shifting performance.

• Versatile cassette sprocket that is compatible with the widely used HG-M spline (HG 8,9,10-speed freeubs)
• Hyperglide technology ensures smooth, light, and reliable shifting performance
• This 7-speed cassette is designed for use with Shimano HG 8,9,10-speed freehub bodies ONLY (Cassette does NOT fit on 7-speed freehub bodies)
• Compatible with Shimano IG and HG 6,7, and 8-speed chains