Shaft diameter: 9

5-Pack Button Head Allen Bolt Stainless 1/2-13 by Gardner Westcott

1929-1934 R 11 745cc

making it a practical addition for any type of riding

mustang rider backrest kit for harley 3OM Shaft diameter: 9Mustang Driver Backrest Kit for Harley Davidson With this kit, you can install a driver backrest on a one piece 2 up Touring seat, whether you're running a Mustang or a stock seat. The frame mounted bracket provides a stable and secure installation, and once in place, the backrest can be adjusted to fit your back. It installs and removes without tools and can be folded flat when not in use. Features: Fits Mustang and stock one piece 2 up Touring seats