Shimano Altus HG31 8-Speed MTB Cassette 11-30 Black

The Shimano Altus HG31 cassette is a 8-speed cassette for MTB, with sprockets ranging from 11 to 30 teeth. It suits riders looking to replace a worn cassette with a simple, reliable replacement.

• Eight ratios from 11 to 30 teeth, for tackling climbs and fast sections
• Phosphate-treated steel sprockets, a robust material for everyday use
• Shimano HG interface, compatible with freehub bodies of this type
• Weight of 315 g for the 11-30-tooth version
• Use a HG/IG chain for 6, 7 or 8 speeds

Technical specifications

• Speed: 8
• Sprocket teeth: 11-13-15-17-20-23-26-30
• Material: Phosphate-treated steel
• Weight: 315 g (11-30T)
• Interface: Shimano HG
• Recommended chain: HG/IG 6/7/8-speed
• Colour: Black
• Manufacturer code: ECSHG318130
• Box contents: 1 cassette

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.