Conversion Kit consists of a Al7075-T6 MTB freewheel for SRAM XDR Driver 11-12 speed.
Supplied pre-assembled for a quick replacement complete with two bearings, a lip seal, four pawls.
56T version- Compatible with all 56T X-Hub SP and SL MTB & ROAD hubs. these hubs have 56T on the shell

48T version compatible with all 48T X hub SP and SL MTB and Road hubs (2012 to 2017). These hubs dont have the ratchet ring tooth count on the shell.

It is not compatible with X-Hub and ROAD made before 2012 (with 15 mm internal axle).
Made in Italy.