Joker’s upper handlebar riser clamp gives your bike a racer look. Replaces stock H-D Nightster’s top clamp with the built-in 'speedometer ring' mount – a perfect bar clamp solution when using Joker’s speedo sidemount assembly. Fully CNC-machined racing-styled design is made from solid 6061-T6 bar stock for maximum strength. Available with a hard black anodized finish. Fits 1" diameter handlebars. Made in the U.S.A.