Cassette technology optimized for MTB. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting.

• Cassette technology optimized for MTB. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting.
• Downhill-specific cassette has stiffer cogs, with a tooth profile and shift ramp design for quick and positive index shifting
• Steel cogs for strength and durability
• Aluminum Lock Ring
• Fits Shimano-compatible freehub bodies