{"product_id":"progressive-444-shocks-harley-davidson-19","title":"Progressive 444 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 444 Series shocks for Harley-Davidson use patented Frequency Sensing Technology (FST) to dynamically adjust damping as you ride, automatically responding to small bumps and large impacts for a compliant, controlled ride. Hand-adjustable preload and choice of spring rates make these shocks tunable without special tools.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFrequency Sensing Technology (FST) automatically adjusts damping based on bump frequency\u003c\/li\u003e\n  \u003cli\u003eDeflective disc valving for progressive damping curve\u003c\/li\u003e\n  \u003cli\u003eHand-adjustable spring preload — no special tool needed\u003c\/li\u003e\n  \u003cli\u003eAvailable in standard or heavy duty spring rates\u003c\/li\u003e\n  \u003cli\u003eBlack or chrome finish options\u003c\/li\u003e\n  \u003cli\u003eMade in USA with Limited Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Progressive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 444-4019B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Suspension \/ Shocks and Struts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8.8 lb per shock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e Yes — Cancer and Reproductive Harm. See www.P65Warnings.ca.gov\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Verify your specific year and model before ordering, as Progressive offers multiple configurations for different chassis types.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does Frequency Sensing Technology (FST) do?\u003c\/h3\u003e\n\u003cp\u003eFST senses bump frequency and automatically adjusts damping — the shocks compress differently for small road imperfections versus large impacts, giving you a smoother overall ride.\u003c\/p\u003e\n\u003ch3\u003eCan I adjust the preload myself?\u003c\/h3\u003e\n\u003cp\u003eYes. The top-mount threaded preload adjuster twists by hand — no special tool or air gun needed.\u003c\/p\u003e\n\u003ch3\u003eAre these available in different spring rates?\u003c\/h3\u003e\n\u003cp\u003eYes. Progressive offers standard and heavy duty spring rate versions to match your bike's weight and riding style.\u003c\/p\u003e\n\u003ch3\u003eDo these shocks need professional installation?\u003c\/h3\u003e\n\u003cp\u003eInstallation complexity varies by Harley model. Many riders handle it themselves with basic hand tools; consult the instruction manual or a technician if you're unsure.\u003c\/p\u003e\n\u003ch3\u003eWhat's the warranty?\u003c\/h3\u003e\n\u003cp\u003eLimited Lifetime Warranty covering manufacturer defects. See Progressive's warranty terms for exclusions and claim procedures.\u003c\/p\u003e\n\u003ch2\u003eCalifornia Proposition 65 Warning\u003c\/h2\u003e\n\u003cp style=\"font-size:11px;color:#888;\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov\u003c\/p\u003e","brand":"Progressive","offers":[{"title":"Default Title","offer_id":53040159195247,"sku":"T14-669225","price":860.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_547b18dc-3f78-4373-8061-7038fb341a81.png?v=1779565769","url":"https:\/\/vtwinbikers.com\/products\/progressive-444-shocks-harley-davidson-19","provider":"Vtwinbikers","version":"1.0","type":"link"}