BRAND NEWPART# HD764LEFits 91-17 Dyna modelsThe Öhlins STX36 Twin American V-Twin shock absorbers are designed to enhance performance and comfort on the road. From cruisers to café racers, these twin shocks are suitable for a variety of models. We offer emulsion, piggyback, hose, and inline versions of the shock, all tailor-made and tested to suit your bike.The STX36 Blackline Twin shock absorbers for the Harley-Davidson Dyna FXD / FXDWG (1991–2017) deliver the level of quality and performance you demand for your bike.These STX36 Blackline shocks feature our classic monotube design and high-pressure nitrogen gas-charged damping system, with an external piggyback reservoir to ensure consistent damping performance.With adjustable compression and rebound damping, you can precisely tune the behavior of the shocks to match your riding preferences. Adjustable preload allows you to make adjustments for changes in weight, helping you maintain proper steering geometry. The shock is also length adjustable, enabling you to change the ride height for a more personalized setup.An easy-to-use billet preload adjuster tool is included with the shocks, in addition to multiple spring rate options to help you customize your setup.FeaturesAdjustable rebound and compression dampingMonotube shock with piggyback reservoirAdjustable lengthHigh-pressure nitrogen gas-chargedSTX single-tube design36-mm piston diameterAdjustable preload with billet toolMultiple spring rates available to accommodate a wide range of ridersTop-level comfort, rideability, and performanceHard-anodized precision CNC-machined componentsLow-friction shaft and seal head designFully serviceable and repairableIncludes Spring: Ohlins Part # 66422-032 (B)Adjustment range: 0.393"Stroke length: 3.583"Weight range: 150 lb min – 400 lb max