Handlebars are manufactured with quality construction, including laser cut, burr free holes, and slots for internal or external wiring 3-1/2" on center knurling, and notched for throttle-by-wire applications All handlebars are CNC-bent for an accurate fit and incorporate comfortable, but aggressive looking wrist angles Models originally equipped with handlebars having a center section diameter larger than 1" will require changing the risers to a 1" ID version. HANDLEBAR 1" CHROME 12"