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
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Lightest so far is 6.7kg (14.7 pounds) with custom made parts as well. It even has 4 pegs!!!!
I'd say titanium or alominium which is pretty expensive but the lightest bmx ever is the grim reaper by eastern hope this helped
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.
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.
4 lbs. 1 oz.
The lightest bike for adults is probably a redline or a hyper but hypers are kind of expensive
Eastern titanium grim reaper 19 lbs
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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
Shadow ravenger conspiracy only £17.99
probably the haro prolite, I'm warning you they are about 800 to 900 bucks Canadian
The Lighest BMX frame is Lopez-lt weighing in at 3 pounds 8 ounces. Although it is light it has a tendancy to crack at the headtube. Otherwise it is an amazing frame.