Shimano Alivio CS-HG51 Cassette - 8 Speed 11-28t Silver MFPN=ERC50-FT The side plates are shaped

The side plates are shaped from machined aluminum creating an ergonomic feel and distinct styling

} Padded to protect your stuff

One pair is needed for a single load bar

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12x100mm E-THRU (Axle not included)

Shimano Alivio CS-HG51 Cassette - 8 Speed 11-28t Silver MFPN=ERC50-FT The side plates are shapedShimano Alivio CS HG51 Cassette 8 Speed 11 28t Silver. Shimano CS HG51 8 Speed cassettes feature Hyperglide technology for reliable shifting performance and chrome plated steel gears for added corrosion resistance. Hyperglide technology provides smooth shifting Chrome plated steel gears and lockring Compatible with Shimano HG and IG chains Drilled cogs reduces weight TECH SPECS Color Silver Range 11 28 Cassette Cogs 11 13 15 17 19 21 24 28 Cassette