The lightest bmx bike is owned by Samuel Powell. His bike ways 18.3 pounds and is built custom from the ground up. It totalled to about $2,300.
The lightest bike for adults is probably a redline or a hyper but hypers are kind of expensive
the lightest bmx bike is from KHE in Germany they make a bike that weighs lighter than the eastern grim reaper. The bike from khe weighs in at about 19.6lbs. The bike is the Maceto Pro 2012 you can see the bike at khebikes.com
The lightest bmx in the world is thetitanium grim reaper made by eastern. The frame weighs in at a amazing 2 pounds and the complete bike under 20.
Eastern titanium grim reaper 19 lbs
A dirt racing bmx bike is the lightest....If you are looking for type, then maybe haro, dk, redlines are light but I don't recommend redlines, its kind of a feel type thing.the lightest bike ever is KHE (brand) but really good light bikes are sunday and untied and redlines arnt bad at all theyre are the prefered bike of the DewTour and xgames
probably the haro prolite, I'm warning you they are about 800 to 900 bucks Canadian
you can find a BMX bike in halfords
The bmx thruster rampage bike is a exellent bike
i dont think anyone knows who has the lightest bike but i think the lightest stock bike is the KHE specter and its 8.35 kg http://www.flatlandaustralia.com/forums/viewtopic.php?f=1&t=2008 Copy and paste link Lightest so far is 6.7kg (14.7 pounds) with custom made parts as well. It even has 4 pegs!!!!
There's no such thing as a trick bike buddy. A bmx technically is a "trick" bike. So just get a bmx if you want to do tricks.