This 8-speed Shimano HG31 mountain bike cassette provides a wider range of gear choices and a lower bottom end, so you’ve got a gear for any riding situation.

• Speed: 8-Speed
• Use: Mountain bike (MTB)
• Compatibility: Shimano and SRAM 8-Speed derailleurs and chains
• Hyperglide Sprocket Design: Special 8-speed HG Sprocket design insures fast and positive shifting
• Chain Compatibility: 3/32" (8-speed chains)
• Weight: 315g