Kodlin USA 1 1/4 Big Block Risers For Harley These triple-bolted CNC machined aluminum risers sit low to the riser, making them the perfect compliment for a set of massive apes! Features: CNC-machined from billet aluminum Includes all necessary hardware For handlebars with 1-1/4 (32 mm) diameter clamping area Fits all Harley models with 3-1/2 (89 mm) on-center handlebars