fibreglass
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This Bike Made From Kevlar And Fibreglass Might Be The Fastest Bike Ever
It doesn’t even look like a bike, but it might be the fastest bike ever, according to the wild mind of world-renowned cyclist Graeme Obree. Made from kevlar and fibreglass, the Beastie will be used at the World Human Powered Speed Challenge where Obree wants to break the world record of 133km/h.