SunRace CS-RS Cassette — 10-Speed Road, 11–28T (Metallic Silver)

The Sunrace CS-M66 cassette is a reliable, value-focused 8-speed cassette suited for a wide range of bikes, including road bikes, mountain bikes, commuters, and hybrids. Built with durable steel cogs and a robust lockring, this cassette delivers smooth, dependable shifting across an 8-speed drivetrain. 

Designed with Sunrace’s Super Fluid Drive™ technology, the CS-M66 provides consistent gear transitions and solid performance whether you’re climbing hills or cruising flat terrain. It’s compatible with Shimano HG-spline freehub bodies and SRAM-style drivetrains, making it an easy upgrade or replacement for worn stock cassettes. 

Key Features

• 8-speed cassette with smooth, reliable indexing

• Steel cogs and lockring for durability and longevity

• Compatible with Shimano HG-spline freehub bodies / SRAM drivetrains

• Super Fluid Drive™ technology for enhanced shifting performance

• Nickel finish for corrosion resistance and clean looks

• Shimano equivalent to HG50 / HG51 / HG41 series cassettes 

Typical Specifications

• Speeds: 8

• Cog Range: Commonly 11-32T (other ranges like 12-32T or 11-34T available in some variants) 

• Material: Steel cogs & lockring

• Color: Nickel

• Freehub Fit: Shimano HG-spline compatible

Best For

• Service replacements on 8-speed drivetrains

• Road, hybrid, MTB, and commuter bikes

• Riders upgrading worn cassettes with broad compatibility