Hope Carbon Handlebar 35mm / 800mm / 20mm RiseHope Carbon Handlebar 35mm 800mm 20mm Rise Optimised laminate that has been designed to increase strength in high stress areas and enables material to be removed from where it is not required to reduce weight. Hope might be a little late to the 35mm handlebar party, but their new bars should prove to be worth the wait. Investigation into existing 35mm bars showed that most people found them uncomfortably stiff and Hope knew they had to make something