Like the crononero but with a drop a professional time trial handlebar specifically designed for the triathlete crononero is designed with upward curving ends key features 6061 alloy hydro shaped strong and reliable base for a modern handlebar set drop 60mm handlebar clamp diameter 317mm widths available 40 42 44 and 46cm outside to outside weight 309g 44cm pbk office scales matt black finish deda handlebars state that they have a 317mm clamp diameter but