Wild 1 Smooth Riser Top Clamp With Exposed Mount Holes For Harley The Wild 1 Smooth Riser Top Clamp is compatible with all 1 handlebars, stock risers, Wild 1 Chubby Risers, Wild 1 Chubby Bars, and various custom bars, offering a versatile solution for customizing the handlebar setup. Features: Precision-machined from billet aluminum Fits with 3.5 center-to-center riser spacing and offset mounting holes Made in the USA