SunRace CS-M40 Cassette — 7-Speed, 11–34T (UCP)

SunRace CS-M40 Cassette — 7-Speed, 11–34T (UCP)

Regular price$23.99
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The SunRace CS-M40 cassette is a durable, wide-range 7-speed MTB cassette designed for dependable shifting and everyday reliability on mountain, hybrid, and commuter bikes.

Built with SunRace Super Fluid Drive™ technology, the CS-M40 provides smooth, predictable gear changes and improved chain engagement—ideal for recreational riding and service replacement scenarios. Steel cogs and a steel lockring deliver excellent wear resistance, making this cassette well suited for high-mileage use and mixed conditions.

With a generous 11–34T range, the CS-M40 offers easy climbing gears for hills while maintaining practical spacing for casual trail and path riding. It installs on standard Shimano HG-compatible freehub bodies and serves as a functional equivalent to popular Shimano 7-speed cassettes.


Product Details

  • 7-speed MTB cassette

  • Super Fluid Drive™ technology for smooth, reliable shifting

  • Durable steel cogs and lockring

  • Approx. 310g

  • Shimano equivalent: CS-HG41 / CS-HG20


Specifications

  • Speed: 7-Speed

  • Gear Range: 11–34T

  • Cog Sequence: 11, 13, 15, 18, 22, 28, 34

  • Color: UCP

  • Freehub Compatibility: Shimano HG


Best For

  • 7-speed mountain, hybrid, and commuter bikes

  • Wide-range gearing for hills and mixed terrain

  • Service replacements and drivetrain refreshes

  • Riders prioritizing durability, compatibility, and value

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