{"product_id":"wunderlich-suspension-shock-absorber-s4-hpa-57460-520","title":"Wunderlich Suspension Shock Absorber S4 + HPA","description":"\u003cp\u003e\u003cstrong\u003eFacts and product features of the Wunderlich Suspension powered by TracTive S4 HPA shock absorbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-performance shock absorber of the latest generation as an upgrade or replacement for the standard suspension. Developed to meet the high demands of discerning adventure riders who frequently venture off-road, touring riders who regularly travel with heavy loads, and those who want additional safety reserves. With PDS anti-bottoming system and hydraulic spring preload adjustment (HPA).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe individually select the spring rate using your personal riding profile specifications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cstrong\u003eDamping characteristics\u003c\/strong\u003e\u003c\/li\u003e\n \u003cli\u003eOur shock absorbers are specifically developed for each vehicle and its intended use, offering high performance and impressive reserves.\u003c\/li\u003e\n \u003cli\u003eThe balanced, sensitive damping behaviour of our suspension components ensures neutral and predictable handling, fostering confidence in your motorcycle and enhancing your riding enjoyment.\u003c\/li\u003e\n \u003cli\u003eThe shocks stand out for their excellent transparent feedback, optimising the tyre’s grip on the road, wheel control, and tracking stability, while reducing tyre wear.\u003c\/li\u003e\n \u003cli\u003eIndividual damping adjustment: the high-quality shock absorber features both high- and low-speed compression damping adjustment, meaning the compression damping can be tuned according to the compression speed (i.e. the speed at which the damping piston moves during the compression stroke).\u003c\/li\u003e\n \u003cli\u003eThe rebound adjustment with 18 clicks allows for precise fine-tuning of the damping using the suspension tool.\u003c\/li\u003e\n \u003cli\u003eThe shock absorber is equipped with a so-called PDS system, which reduces the risk of bottoming out and the associated stresses from hard impacts during demanding use.\u003c\/li\u003e\n \u003cli\u003eThe PDS system, together with the extensive options for individual adjustment of rebound and compression, meets the highest demands of adventure and touring riders. It significantly enhances comfort and safety and can help reduce frame stress.\u003c\/li\u003e\n \u003cli\u003eTo achieve optimal, sensitive response characteristics,\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003ethe oil channels are generously dimensioned to minimise flow resistance,\u003c\/li\u003e\n  \u003cli\u003ewe use pistons with a large diameter (46 mm),\u003c\/li\u003e\n  \u003cli\u003eas well as low-friction seals and special shim stacks.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli\u003eThese closed shock absorbers feature an external, forged aluminium reservoir that supports the thermal stability and performance of the system through optimal heat dissipation.\u003c\/li\u003e\n \u003cli\u003eThe generously dimensioned oil volume and large cooling surface ensure\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003ea low and optimal operating temperature of the oil,\u003c\/li\u003e\n  \u003cli\u003ewhich not only ensures consistently high performance,\u003c\/li\u003e\n  \u003cli\u003ebut also contributes to a longer service life of both the damper and the oil.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cstrong\u003eSpring characteristics and preload\u003c\/strong\u003e\u003c\/li\u003e\n \u003cli\u003eHydraulic preload adjustment: the shock absorber is equipped with a sealed, extremely robust hydraulic spring preload system. The preload is conveniently adjusted via an easily accessible handwheel. The robust design of the preload adjuster withstands the toughest conditions.\u003c\/li\u003e\n \u003cli\u003eThe wide adjustment range compensates for a broad spectrum of load conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cstrong\u003eTuning\u003c\/strong\u003e\u003c\/li\u003e\n \u003cli\u003eSpecial Wunderlich Suspension tuning for adventure and touring riders with high demands on their suspension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cstrong\u003eCustomisation\u003c\/strong\u003e\u003c\/li\u003e\n \u003cli\u003eWe individually select the spring rate using your personal riding profile specifications: once you have chosen your shock absorber, simply specify your personal details during the ordering process – these form the basis for selecting the spring that best suits you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/li\u003e\n \u003cli\u003eEach shock absorber can be completely and professionally serviced at the Wunderlich Suspension Centre.\u003c\/li\u003e\n \u003cli\u003eThe suspension tool is included in the delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003eThe shock absorber housings are precisely manufactured from high-quality aluminium.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli\u003e\u003cstrong\u003eSpecial features\u003c\/strong\u003e\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003ePDS system – reduces the risk of bottoming out\u003c\/li\u003e\n  \u003cli\u003eClosed system\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli\u003e\u003cstrong\u003eManufacturing quality\u003c\/strong\u003e\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003eWe use only high-strength components such as micro-machined, inductively hardened, tempered 42CrMo piston rods, top-quality bearings, stainless steel bushings and low-friction seals.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003ePiston diameter: 46 mm\u003c\/li\u003e\n  \u003cli\u003ePiston rod diameter: 16 mm\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli\u003e\u003cstrong\u003eSpring preload adjustment\u003c\/strong\u003e\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003eHydraulic with handwheel (HPA)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli\u003e\u003cstrong\u003eInstallation position\u003c\/strong\u003e\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003eRear swingarm\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eYour Wunderlich benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eWunderlich product. Small series. Handcrafted.\u003c\/li\u003e\n \u003cli\u003eWunderlich design. Functional and integrated.\u003c\/li\u003e\n \u003cli\u003eTested by Wunderlich.\u003c\/li\u003e\n \u003cli\u003eMade in Europe.\u003c\/li\u003e\n \u003cli\u003e5-year warranty when adhering to the 24-month maintenance intervals.\u003c\/li\u003e\n\u003cli\u003ewith German type approval \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hack-Moto.co.uk","offers":[{"title":"Default Title","offer_id":53375493570826,"sku":"57460-520","price":1392.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2968\/9866\/files\/57460-437_46ya19-t5517-wu_5_2858c3ea-583a-4c2d-89fe-7f7a118a93f1.jpg?v=1784207547","url":"https:\/\/www.hack-moto.co.uk\/products\/wunderlich-suspension-shock-absorber-s4-hpa-57460-520","provider":"Hack-Moto.co.uk","version":"1.0","type":"link"}