The question for me a king of the botch job  my terrible handiwork failures litter my house  was about quality On day one the boys explain how to select bamboo for strength and how to form strong joints before tubes are glued lightly in place in the workshop first the front triangle composed of 40 mm diameter bamboo then the thinner more fiddly seat and the chain assembly Alloy tubes are inserted for the handlebars wheel forks and other parts which require the strength and precise engineering impossible in bamboo 