Upgrade your mountain bike's freehub body with ease with Industry Nine's Solix Mtn Complete Freehub Kit, which allows you to convert or replace your current Solix mountain freehub body. With all the necessary components included, swapping out your freehub has never been simpler, and you'll be ready to hit the trails in no time! This kit is available in Shimano Micro Spline, Shimano HG, and SRAM XD versions. The Micro Spline option includes the 12mm drive side endcap. Compatible With Solix mountain rear hubshells