Shimano Altus CS-HG31 Cassette - 8 Speed, 11-34t, Black, Mega Range Odyssey All-new “click and fire” two-button

All-new “click and fire” two-button design provides Intuitive and straightforward action requiring the ideal amount of rider input

Multi-fit QR handlebar bracket

It is recommended to use the same color pad as the mag wheel

Chromoly steelChrome plated7/8" top sectionRequires separate seat hardware(570/1030)

Pressure bleed/hold valve for easy adjustments

Shimano Altus CS-HG31 Cassette - 8 Speed, 11-34t, Black, Mega Range Odyssey All-new “click and fire” two-buttonShimano CS HG31 8 Speed cassettes feature Hyperglide technology for reliable shifting performance and zinc phosphate coated steel gears for added corrosion resistance. Hyperglide technology provides smooth shifting Phosphate coated steel gears and lockring Compatible with Shimano HG and IG chains Drilled cogs reduces weight 8 speed Megarange