Shimano Altus CS-HG31 Cassette - 8 Speed | 11-34t | Mega Range

Shimano Altus CS-HG31 Cassette - 8 Speed | 11-34t | Mega Range Shimano

Shimano Altus CS-HG31 Cassette - 8 Speed | 11-34t | Mega Range

Shimano Altus CS-HG31 Cassette - 8 Speed | 11-34t | Mega Range

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Why Is the Shimano Altus CS-HG31 a Practical 8-Speed Cassette for Budget MTB Builds?

The Shimano Altus CS-HG31-8 is an 8-speed MTB cassette built on Shimano's HYPERGLIDE platform, delivering reliable indexed shifting with the specially positioned shift ramps and tooth profiles that define Shimano's cassette shifting performance. The Mega Range 11-34T gear spread gives riders a genuinely usable low gear for steep climbs without requiring any mechanical compromise elsewhere in the drivetrain, making it an effective choice for recreational MTB and hybrid builds on tighter budgets.

Compatible with all Shimano 8-speed MTB drivetrains. Requires a standard Shimano 8-speed freehub body and an 8-speed chain.

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Specifications

  • Model: CS-HG31
  • Speed: 8-speed
  • Range: 11-34T Mega Range
  • Technology: HYPERGLIDE
  • Groupset match: Shimano Altus
  • Compatible: All Shimano 8-speed MTB drivetrains

FAQ

What does Mega Range mean on this cassette?

Mega Range refers to the wide gear spread achieved by including a large 34T cog alongside an 11T small cog. This gives budget builds access to a genuine climbing gear without requiring higher-spec components.

Is the CS-HG31 compatible with Shimano Acera and Alivio 8-speed drivetrains?

Yes. The CS-HG31-8 is compatible with all Shimano 8-speed MTB drivetrains including Altus, Acera, and Alivio.

What chain should I pair with the CS-HG31?

Use a Shimano 8-speed chain such as the CN-HG71 or CN-HG40 for correct shifting performance.

Best For

Budget-conscious trail riders, commuters, and recreational cyclists on Shimano 8-speed MTB drivetrains who want a wide climbing range without spending up the groupset ladder.

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