Shimano HG81 10-Speed Cassette

• Refined tooth profile for HG-X chain and Shadow RD
• 3 rings on spider
• Gearings: 11-32T, 11-34T, 11-36T
• Weight: 345g (11-34T)

Aluminum spider carries 3 rings to increase stiffness and reduces weight at the same time. Drilled out rings help reduce weight even more.