A replacement freehub body for:
Includes alloy freehub body, bearings, freehub axle spacer, pawls and springs all pre-assembled. Black seal between freehub and hub shell (shown in picture) not included
For older hub models before Switch Ultra, you also need the narrower spacer to retrofit the new style freehub:
http://www.superstarcomponents.com/en/hub-switch-freehub-spacer.htm
Switch Ultra Freehub Weights
Alloy: 91g