{"product_id":"progressive-fork-springs-2009-2011-harley-davidson","title":"Progressive Fork Springs - Progressive Rate - Harley-Davidson","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout Progressive\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eProgressive Suspension has focused exclusively on American V-twin suspension since 1982, and its Monotube fork cartridges and 400\/970\/970G shock series are among the most common upgrades on baggers and Softails. For most riders the stock rear shock is the single worst part on the bike — this is the fix.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eEnhance your Harley-Davidson's front suspension with Progressive Fork Springs. These precision-wound springs feature a progressive rate, designed to smoothly absorb small road imperfections while providing firm support to prevent excessive front-end dive during braking and handle larger impacts with confidence.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eProgressive rate design for dynamic suspension response\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eReduces front-end dive during braking\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003ePrecision wound construction for reliability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eAbsorbs small bumps and handles larger impacts\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eComes with a lifetime manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProgressive Rate fork springs are a critical upgrade for any Harley-Davidson owner looking to improve their bike's handling and ride comfort. Unlike linear springs, the progressive design allows for a softer initial compression to soak up minor road chatter, then gradually stiffens as the fork compresses further. This dual-action performance translates to a smoother ride on varied surfaces and significantly better control during hard braking and cornering.\u003c\/p\u003e\u003ch3\u003eOptimized Ride Dynamics\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProgressive rate spring design adapts to varying road conditions\u003c\/li\u003e\n\u003cli\u003eReduces front-end dive during hard braking for improved stability\u003c\/li\u003e\n\u003cli\u003ePrecision wound construction ensures consistent performance and durability\u003c\/li\u003e\n\u003cli\u003eEngineered to absorb small road bumps while handling larger impacts\u003c\/li\u003e\n\u003cli\u003eBacked by a lifetime manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eA Foundation for Better Handling\u003c\/h3\u003e\u003cp\u003eInstalling Progressive Rate fork springs is one of the most effective ways to improve the feel and responsiveness of your Harley-Davidson's front end. This upgrade helps maintain proper geometry under braking, giving you more confidence and control. Whether you're navigating city streets or carving canyons, these springs provide the consistent support needed for a superior riding experience. Professional installation is recommended to ensure optimal performance and safety.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\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 11-1549\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.25 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\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat's the difference between Progressive Rate and standard springs?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eProgressive Rate springs start soft to soak up small bumps, then firm up under load for better control during hard braking or cornering, unlike standard linear springs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo these reduce front-end dive when I brake hard?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes — these springs are specifically tuned to minimize front-end squat during hard braking while maintaining ride comfort on smooth roads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eIs installation difficult for these fork springs?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eReplacing fork springs typically requires basic mechanical knowledge and specialized tools. For best results, professional installation is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fork Springs\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Progressive\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/progressive\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Progressive Fork Springs - Progressive Rate - Harley-Davidson\",\"item\":\"https:\/\/vtwinbikers.com\/products\/progressive-fork-springs-2009-2011-harley-davidson\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What's the difference between Progressive Rate and standard springs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Progressive Rate springs start soft to soak up small bumps, then firm up under load for better control during hard braking or cornering, unlike standard linear springs.\"}},{\"@type\":\"Question\",\"name\":\"Do these reduce front-end dive when I brake hard?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — these springs are specifically tuned to minimize front-end squat during hard braking while maintaining ride comfort on smooth roads.\"}},{\"@type\":\"Question\",\"name\":\"Is installation difficult for these fork springs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Replacing fork springs typically requires basic mechanical knowledge and specialized tools. For best results, professional installation is recommended.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Progressive","offers":[{"title":"Default Title","offer_id":53040367173743,"sku":"T14-669301","price":139.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_cc48a476-8771-4108-bbe3-7cc6585c227d.png?v=1779566862","url":"https:\/\/vtwinbikers.com\/products\/progressive-fork-springs-2009-2011-harley-davidson","provider":"Vtwinbikers","version":"1.0","type":"link"}