1-1/4" diameter; with 1" riser clamping area. Compatible with mechanical and e-throttle models. Awesome looks backed-up with an adjustable pull-back / wrist angle. A design that allows you to fine-tune your bars to your arms instead of the other way around. The finest ride ever is within reach! Includes 1" tubing spacers to achieve additional height. Bars are made from .120" (3mm) 4130 chromoly wall tubing and are heat treated before CNC mandrel bending and machining for the highest precision in dimensional tolerances. Each adjustment point is knurled for full rider confidence. CNC machined billet aluminum 6061-T6 clamps ensure a 100% safe and strong construction. Includes premium grade hardware. Dimensions: 33" wide x 10" rise x 12" center width x 6" pullback. Note: Notched for electronic throttle. Can be used for cable throttle models; bar is just a little shorter on the throttle side.