Shimano Alivio CS-HG51 Cassette - 8 Speed | 11-30t Seatposts Running tubeless eliminates pinch flat

Running tubeless eliminates pinch flat risk and lets you dial in lower pressures for better grip and comfort without the weight penalty of an inner tube

or anyone whose knees track inconsistently through the pedal stroke at higher intensities

offering enough volume for compliance and grip without becoming unwieldy on fast hardpack sections

Catching a worn chain early is one of the most cost-effective things you can do for drivetrain longevity

Shimano Alivio CS-HG51 Cassette - 8 Speed | 11-30t Seatposts Running tubeless eliminates pinch flatWhy 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 30T range extends the climbing capability over the 11 28T version while still