Wild 1 Chubbys Riser Set For Harley Features: 1-1/4 thick billet aluminum risers with blind hole tapped and a brilliant satin black finish Super versatile Work with any standard 1 handlebar, Wild 1 Chubby bars and most other bars Use your stock top clamp, aftermarket top clamp or , custom billet top clamp Fit on all models with 3-1/2 center-to-center riser spacing Tapped for standard 1/2 x 13 mounting bolts