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Overview

Why Is the Shimano CS-HG51 the Right 8-Speed Cassette for Alivio MTB Builds?

The Shimano CS-HG51-8 is an 8-speed MTB cassette built on Shimano's HYPERGLIDE platform, featuring specially positioned shift ramps and optimized tooth profiles for improved chain control and fast, responsive indexed shifting across all 8 cogs. Designed for 8-speed MTB drivetrains, the 11-28T range is well suited to moderate terrain where a tighter ratio delivers better cadence management without sacrificing a practical climbing range.

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

All the specs

MPN ECSHG518128

Model
CS-HG51
Speed
8-speed
Range
11-28T
Technology
HYPERGLIDE
Compatible
Shimano 8-speed MTB drivetrains

FAQ

Good questions

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Is the 11-28T range sufficient for trail riding?

The 11-28T works well for moderate terrain. If you ride steep climbs regularly, consider the 11-30T or 11-32T version for more low-end range.

Is the CS-HG51 compatible with Shimano Acera and Altus 8-speed?

Yes. The CS-HG51-8 is compatible with all Shimano 8-speed MTB drivetrains including Alivio, Acera, and Altus.

What chain should I pair with the CS-HG51?

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

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