Fitment Fit for 1973-2017 Harley Softail/Dyna/FXR Fit for 1973-later Harley Sportster XL (Except 04-10 XL, Springer Deuce) Specifications Function: Act as a connection and reduce handlebar vibration Precision: Computer-aided design and laser-cut to ensure the perfect fit Installation: Easy to install with common hand tools (Little drilling is required) Material: It is made of premium solid steel and rubber to achieve better durability and higher strength Package Included 4x Polyurethane riser bushing 2x Screws