{"product_id":"wunderlich-suspension-shock-absorber-s4-hpa-57460-504","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 for the high demands of discerning adventure riders who frequently ride off-road, touring riders who regularly travel with heavy loads, as well as for riders who want extra safety reserves. With PDS bottoming-out protection system and hydraulic spring preload adjustment (HPA).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe spring rate is individually selected based on 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 motorcycle model and intended use, offering high performance and impressive reserves.\u003c\/li\u003e\n \u003cli\u003eThe balanced and sensitive damping behaviour of our suspension components ensures neutral, predictable handling, supporting the rider’s confidence in the motorcycle – and thus enhancing riding pleasure.\u003c\/li\u003e\n \u003cli\u003eThe shock absorbers stand out thanks to their excellent and transparent feedback. They optimise the tyre’s contact with the road surface, improve wheel guidance and tracking stability, and reduce tyre wear.\u003c\/li\u003e\n \u003cli\u003eIndividual damping adjustment: the premium-quality shock absorber features separate high- and low-speed compression damping adjustment. This means the damping can be fine-tuned according to the compression speed (i.e. the speed at which the damping piston moves during compression).\u003c\/li\u003e\n \u003cli\u003eThe rebound damping adjustment with 18 clicks allows 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 resulting stress caused by hard impacts under extreme conditions.\u003c\/li\u003e\n \u003cli\u003eThe PDS system and the wide range of individual adjustment options for rebound and compression damping meet the highest demands of adventure and touring riders. They noticeably increase comfort and safety and can help reduce stress on the frame.\u003c\/li\u003e\n \u003cli\u003eTo achieve optimal and 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 large-diameter pistons (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 system’s thermal stability and performance through optimal heat dissipation.\u003c\/li\u003e\n \u003cli\u003eThe large oil volume and generous cooling surface ensure:\u003c\/li\u003e\n \u003cul\u003e\n  \u003cli\u003ean ideal, low operating temperature of the oil,\u003c\/li\u003e\n  \u003cli\u003ewhich not only leads to stable performance at the highest level,\u003c\/li\u003e\n  \u003cli\u003ebut also 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 spring preload: the shock absorber is equipped with a sealed, extremely robust hydraulic preload adjustment. The preload is conveniently set via an easily accessible handwheel. The robust adjustment mechanism withstands the harshest 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\u003eSet-up\u003c\/strong\u003e\u003c\/li\u003e\n \u003cli\u003eSpecial Wunderlich Suspension set-up for adventure and touring riders who place 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\u003eThe spring rate is individually selected based on your personal riding profile specifications: after selecting your shock absorber, you simply define your personal specifications during the ordering process – these form the basis for our selection of 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 fully and professionally serviced at the Wunderlich Suspension Centre.\u003c\/li\u003e\n \u003cli\u003eThe suspension tool is included in the scope of 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 and tempered 42CrMo piston rods, premium-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 swing arm\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eYour Wunderlich advantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eWunderlich product. Small-series production. Handmade.\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 subject to compliance with 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":53375490392330,"sku":"57460-504","price":1392.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2968\/9866\/files\/57460-504_01a_1500_blank.jpg?v=1784207466","url":"https:\/\/www.hack-moto.co.uk\/products\/wunderlich-suspension-shock-absorber-s4-hpa-57460-504","provider":"Hack-Moto.co.uk","version":"1.0","type":"link"}