Originally Posted by
Vlad2010
...Would there any other parts that I should get? I would still be able to use my 7 speed chain with this setup right?
If the new freehub is 8,9, and 10S compatible, you will need a 4.5 mm spacer to install before the cassette. A bike shop can do what you need pretty inexpensively, unless you need to lay out moola for tools. The chain you bought should be fine.
Brad