Came across this while Web Surfin'. It's a company that makes an aluminum Menu Wheel and Replacement Trim Levers for DX6i and X9303 transmitters.
Check 'em out here:
http://www.eastrc.org/shop.cgi/page=estorerollerbutton.htm/SID=1269612593.16954
Prices aren't too bad. Complete step-by-step on the web site.
If anyone needs one of these Menu Wheels, give Stephen Cottrell a call first, he may be able to help you out.
Doug