Upgrade your 9:ZERO:7 190 hub to a 1x11 drivetrain! The XD driver replaces the free hub body on our 9:ZERO:7 190mm convertioble hub, allowing you to use a 1x11 SRAM cassette. All parts are included to make the swap.
 
Product Highlights
Material: Alloy
Accepts: SRAM 11 Spd Cassettes
Bearings: 6802 chrome steel bearings
Included: XD Freehub, spacer, drive side end cap
Compatibility: 9:ZERO:7 190 convertible hub only