Pro quality wide range cassette with innovative X-Dome design.
- X-Dome machined-steel design minimizes weight while minimizing flex
- Largest cog is aluminum
- Use with SRAM XX1 11-speed chain
- SRAM 10 and 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging
- Requires use of XD driver (freehub body)