Chrome 1 Inch Motorcycle Custom Bars Universal Handlebar Risers 3.5" Rise Fit For Suzuki Boulevard C109R C50 C90 Height from bottom to center of hole: 3.5",Bottom Width: 3 cm this set is made for 1 inch handlebars only,Instructions: Not included Hole Diameter: 1",Top Width: 5 cm,Pull Back: 1.5",Total Height: 5" Quantity: 1 pair (left and right) Color: Chrome