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Made of hi-tensile steel and 7075 aluminum, this cassette helps bring the steepest climbs within reach by providing a massive gear range of 418 percent. Two aluminum carriers hold the largest seven cogs while four individual cogs are separated with aluminum spacers. Each cog features ramped teeth for improved shifting. Box cassettes are compatible with all major 11 speed chains and traditional MTB freehubs but do not work with XD Drivers.

• Made of hi-tensile steel and 7075 aluminum, this cassette helps bring the steepest climbs within reach by providing a massive gear range of 418 percent. Two aluminum carriers hold the largest seven cogs while four individual cogs are separated with aluminum spacers. Each cog features ramped teeth for improved shifting. Box cassettes are compatible with all major 11 speed chains and traditional MTB freehubs but do not work with XD Drivers.
• Not compatible with XD drivers