These Rizoma thick walled aluminum bars are 29mm (1-1/8") at the mounting point and 22mm (7/8") in diameter at the controls. This design not only make the bars stronger, it helps minimize vibration transmitted through the bars. The Dimensions for each bend are listed in the picture. If you don't see the bend you're looking for listed, feel free to contact us. There are 4 available bends: Low Bend(MA006): Low Bend with the control section angled back slightly more towards the rider. High Bend (MA009): 20mm Higher than the low bar, with a less swept back control section. A Cross-brace is available for this bar, Listed separately. Sport Bend (MA011) Lowest rise, with less pullback for a more weight forward position. Drag Bar (MA015) Very low/Flat and forward, almost no pullback.