Originally Posted by badamsjr

+1 I just checked out the link, and as I thought, the R4 is very similar to my R3's. Good illustration under 'disassembly' on the site. For freehub change, it is basically just unscrewing the end piece holding the freehub in place, and removing the freehub, then reversing the process with the other freehub. Just do not forget to use the proper amount of lube for the new freehub.