Todd's Cycle Short Bone Bar Risers For Harley These high-quality billet aluminum risers are designed for 1 diameter bars at the clamping area. Risers are tapped for 1/2-13 riser bolts that are sold separately. Risers are 3 1/2 apart on center. Features: Includes one-piece riser top clamp 1 high with 5 wide top clamp Made in the USA