Sram XX1 XG-1199 11-Speed Cassette
Ranging from 10- to 42-tooth, the 11-speed X-DOME™ cassette delivers an incredibly wide gear range while maintaining even, optimized steps. The single-unit cassette combines with the XD driver body for a superior connection to the wheel.
XD™ Driver Body attachment to hub
Optimized gear steps across entire range
Open design aids in mud clearance