Mavic ITS4 Freehub Body We're pretty confident that if you're reading this, you're the lucky owner of a pair of Mavic Crossmax or Deemax wheels. Wheels. You must be looking to convert your rear wheel to accept a Sram XD Cassette. You found the right stuff. Features Compatible with 2012 and later Crossmax and Deemax wheels Quick and easy to install Cassette Type: SRAM XD Gear Count: 10/11 speed Material: Steel | Mavic XD Ts2/Its-4 Freehub Body XD Ts2/Its4 Freewheel Body