SRAM XX1 XC-1199 11-Speed Cassette
X-DOME technology creates and incredibly lightweight, precise and strong cassette. The open design aids in mud clearance, giving you a cleaner shifting performance and longer component life. The XD driver body is a new cassette driver body design that allows the use of a 10-tooth small cog and provides an improved interface with the cassette.
- Bearing design and ratchet mechanism steadied by XD driver body
- Creates more stable hub connection
- Gear steps optimized across entire range
- Wheels equipped for XD driver body available from SRAM and DT Swiss
- XD driver body is 6 to 8 grams lighter