Brand NewPart # HD 515 Öhlins' STX46 American V-Twin shocks are made to improve the comfort and performance of your Harley-Davidson. Available in a variety of configurations, these shocks are specifically designed and tested to suit your bike model. This STX46 American V-Twin shock is made to fit the Harley-Davidson Softail models. Featuring a monotube, high gas-pressurized design with an internal reservoir in the main body of the shock. Adjustable rebound damping makes it easy to customize the setup for your riding preferences. Spring preload can be adjusted through the hose-mounted preload adjuster to compensate for weight variations, ensuring proper steering geometry on every ride. Features STX single-tube design Monotube shock with internal reservoir High-pressure nitrogen gas-charged 46-mm piston diameter Adjustable rebound damping Hose-mounted hydraulic preload adjuster Multiple spring rates available to accommodate a wide range of riders Top-level comfort, rideability, and performance Hard-anodized precision CNC-machined components Low-friction shaft and sealhead design Fully serviceable and repairable