The triathletes choice professional time trial handlebar specifically designed for the triathlete 6061 alloy hydro shaped strong and reliable base for a modern handlebar set crononero team is designed with straight ends key features handlebar diameter 317mm width 42cm outside to outside weight approx 230g manufacturer claimed deda handlebars state that they have a 317mm clamp diameter but the precise measurement for the clamp diameter is 3175mm which most manufacturers rou