{"product_id":"progressive-fork-springs-harley-davidson-4","title":"Progressive Fork Springs — Harley-Davidson","description":"\u003cp\u003eProgressive fork springs use a progressive-rate design to absorb small bumps while resisting front-end dive during braking. Available in Standard and Heavy Duty versions depending on application, with a lifetime manufacturer's warranty.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProgressive-rate spring design\u003c\/li\u003e\n  \u003cli\u003eReduces front-end dive during braking\u003c\/li\u003e\n  \u003cli\u003eAvailable in Standard and Heavy Duty versions\u003c\/li\u003e\n  \u003cli\u003ePrecision wound\u003c\/li\u003e\n  \u003cli\u003eLifetime manufacturer's 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 11-1578\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.8 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Suspension \/ Fork Springs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWARNING:\u003c\/strong\u003e Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Check your specific year and model to confirm whether Standard or Heavy Duty version is required.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's the difference between Standard and Heavy Duty?\u003c\/h3\u003e\n\u003cp\u003eStandard springs work for typical rider weight and load. Heavy Duty versions are stiffer for heavier riders or loaded touring.\u003c\/p\u003e\n\u003ch3\u003eWill these reduce the front-end dive under braking?\u003c\/h3\u003e\n\u003cp\u003eYes — the progressive rate resists initial compression, which minimizes dive while still absorbing bumps and providing comfort.\u003c\/p\u003e\n\u003ch3\u003eDo these require any special tools to install?\u003c\/h3\u003e\n\u003cp\u003eFork spring replacement requires removal of the fork legs and spring compressor tools. Most riders have a shop handle installation.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes — Progressive includes a lifetime manufacturer's warranty on these springs.\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":53040162799727,"sku":"T14-669304","price":164.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_da8438be-e98d-48ce-9858-322c1d0d30f7.png?v=1779566040","url":"https:\/\/vtwinbikers.com\/products\/progressive-fork-springs-harley-davidson-4","provider":"Vtwinbikers","version":"1.0","type":"link"}