Please read this listing in full and do not buy this freehub if your hub is not listed.
(If you know the freehub fits another hub not listed then let me know please).
Novatec freehubs explained. All 11 speed shimano/sram freehub bodies come with a 1.85mm spacer to allow the use of 8/9/10 speed shimano/sram cassettes
notes on fitting. the end caps supplied only work with certain novatec hubs not all and not powertap hubs. If you are fitting the freehub to a power tap hub you must replace the outer seal on the supplied freehub with the one from your old powertap freehub due to the end cap differences.
Type A freehubs come in two forms and all run on a 12mm axle, have two 6901 bearing/3pawls;
Type A steel for D042 hubs and other that use the steel type A MTB freehub. The steel freehub is for Shimano MTB 8/9/10/11 speed cassette and 8/9/10 speed road cassettes.