Available in XD®, HG®, and Microspline® standards for 148x12mm Boost and 157x12mm Super Boost rear hubs, and Mini-HG® or e*thirteen 7-Speed Integrated Cassette for 157x12mm and 148x12mm Downhill hubs and wheels. 

XD/HG/MS/Mini-HG Kits include Freehub, Pawls, Pawl Spring, Adjustable deadband Pusher, and Shims. 

7-Speed Integrated Cassette Kit includes 9-24t direct-mount cassette, Pawls, Pawl Spring, Adjustable deadband Pusher, and Shims. 

*Freehubs are not cross-compatible between hub generations.