The problem with ultra racing... "Established in 2002, Ultra Racing is a Malaysian-based specialist manufacturer in Chassis Handling and Tuning components".
http://www.ultraracing.com.my/ultraracing/AboutUs.asp They don't tell you what kind of steel they use(probably shit quality mild steel), ideally it should be 4130 chromoly that high end freestyle/dirt jumping bikes are made out of which. Huffy's use mild steel to give you an idea. But anyways FUCK SENDING MONEY TO MALAYSIA, theirs my .2