XX1 XG-1199 11 Speed Cassette

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)