At 34.5lbs this has to be, by quite some distance, the lightest production DH bike you can buy, and we doubt you could custom build one any lighter either.
Thing looks killer. 34 LBS!!!!!
http://dirt.mpora.com/news/dirt-100-2011-mondraker-summum.html
Thing looks killer. 34 LBS!!!!!
http://dirt.mpora.com/news/dirt-100-2011-mondraker-summum.html