The SHMANO HG31 8-speed cassette is an entry-level product perfect for smaller budgets.
Brand Compatibility : SHIMANO
Freehub Body : Sram/Shimano HG (HyperGlide)
Speed : 8
Teeth : 11/30, 11/32, 11/34
Weight (manufacturer) : 320 g (11/32), 335 g (11/34)