{"product_id":"progressive-444-shocks-harley-davidson-26","title":"Progressive 444 Shocks — Harley-Davidson","description":"\u003cp\u003eProgressive 444 Series shocks for Harley-Davidson use Frequency Sensing Technology (FST) to dynamically adjust damping based on bump frequency, delivering comfort over small and large road imperfections. Hand-adjustable preload and available spring-rate options let you dial in ride height and stiffness without special tools.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFrequency Sensing Technology (FST) automatically adjusts damping\u003c\/li\u003e\n  \u003cli\u003eDeflective disc valve construction\u003c\/li\u003e\n  \u003cli\u003eProgressive-rate spring\u003c\/li\u003e\n  \u003cli\u003eHand-adjustable preload — no special tool required\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\u003c\/li\u003e\n  \u003cli\u003eLimited 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 444-4059C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 7.8 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Suspension \/ Shocks and Struts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — California Prop 65\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson motorcycles. Confirm your specific model and year compatibility with Progressive before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does Frequency Sensing Technology do?\u003c\/h3\u003e\n\u003cp\u003eFST senses bump frequency and automatically adjusts damping — small bumps and large impacts get different oil flow for a smoother ride without manual adjustment.\u003c\/p\u003e\n\u003ch3\u003eCan I adjust preload without a special tool?\u003c\/h3\u003e\n\u003cp\u003eYes — the top-mount threaded preload adjuster twists by hand. No wrench or proprietary tool needed to fine-tune ride height.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between standard and heavy-duty spring rates?\u003c\/h3\u003e\n\u003cp\u003eStandard rates suit stock Harley ride height. Heavy-duty rates lower the bike slightly and suit heavier loads — choose based on your riding style and bike setup.\u003c\/p\u003e\n\u003ch3\u003eAre these shocks made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — Progressive 444 shocks are manufactured in the USA and covered by a Limited Lifetime Warranty.\u003c\/p\u003e\n\u003ch3\u003eDo these require a special tool to install?\u003c\/h3\u003e\n\u003cp\u003eInstallation requirements vary by Harley model. Consult Progressive's fitment guide or your mechanic for your specific bike.\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":53040159653999,"sku":"T14-669234","price":860.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_d09dcc1e-11cc-45bd-9be6-8a4cbab9a481.png?v=1779565664","url":"https:\/\/vtwinbikers.com\/products\/progressive-444-shocks-harley-davidson-26","provider":"Vtwinbikers","version":"1.0","type":"link"}