Synthesis Retro Guru Feedback View Jul 7, 2013 #1 Engineering graduate makes a bike with a kinetic flywheel, but uses a nice bike to do it. http://www.liveleak.com/view?i=ca9_1373152830
Engineering graduate makes a bike with a kinetic flywheel, but uses a nice bike to do it. http://www.liveleak.com/view?i=ca9_1373152830