{"product_id":"race-tech-high-performance-fork-springs-spring-0-90kg-200-2938090","title":"Race Tech High Performance Fork Springs 0.90kg - Harley Sportster","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 Race Tech\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eRace Tech has been re-valving and re-springing motorcycle suspension since 1985, with Gold Valve emulators and custom-rate springs that let a rider dial damping to their actual weight and riding style rather than a factory average.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eUncork the front end of your Sportster with Race Tech High Performance Fork Springs. These 0.90kg springs are engineered to correct the factory's under-sprung condition, delivering a more balanced and predictable ride.\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;\"\u003eCorrects factory under-springing for better control\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eChrome silicon construction for lasting performance\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eShot-peened and heat-treated to resist sacking-out\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eImproves front-end stability and predictability\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eA key upgrade for performance-oriented Sportster riders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStock Harley Sportster suspension often leaves riders wanting more, especially when pushing the bike hard or carrying extra weight. Race Tech High Performance Fork Springs address this by providing a proper spring rate, transforming your front end's feel. You'll notice improved stability under braking, reduced front-end dive, and a more planted feel through corners, letting you ride with greater confidence.\u003c\/p\u003e\u003ch3\u003eEngineered for Performance and Durability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable chrome silicon wire for consistent performance\u003c\/li\u003e\n\u003cli\u003eShot-peened and heat-treated to prevent sacking-out and maintain spring rate\u003c\/li\u003e\n\u003cli\u003eEliminates under-springing common in factory setups\u003c\/li\u003e\n\u003cli\u003eRestores suspension balance for improved handling predictability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDial In Your Ride\u003c\/h3\u003e\u003cp\u003eUpgrading your fork springs is one of the most impactful suspension modifications you can make. These 0.90kg springs are a critical step towards a truly personalized suspension setup, allowing your Sportster's front end to react more effectively to road conditions and rider input. For optimal results, consider pairing these springs with a Race Tech Gold Valve Emulators to fully customize your damping characteristics.\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 Race Tech\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e FRSP S2938090\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpring Rate:\u003c\/strong\u003e 0.90kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 17 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4.7 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.42 lbs\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;\"\u003eHow do I know if the 0.90kg spring rate is right for my Sportster?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eSpring rate depends on your rider weight, riding style, and any additional load. We recommend consulting a suspension specialist or using Race Tech's guidelines to confirm the ideal spring rate for your specific setup before ordering.\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;\"\u003eWill these fork springs require any other modifications?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eWhile these springs are a significant upgrade on their own, for the most comprehensive performance improvement, consider pairing them with Race Tech Gold Valve Emulators to fine-tune your damping.\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;\"\u003eAre these springs difficult to install?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eFork spring replacement typically requires specialized tools and a good understanding of front-end suspension. If you're not comfortable performing the installation yourself, we recommend having a qualified mechanic do it.\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\":\"Suspension\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Race Tech\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/race-tech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Race Tech High Performance Fork Springs 0.90kg - Harley Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/race-tech-high-performance-fork-springs-spring-0-90kg-200-2938090\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How do I know if the 0.90kg spring rate is right for my Sportster?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Spring rate depends on your rider weight, riding style, and any additional load. We recommend consulting a suspension specialist or using Race Tech's guidelines to confirm the ideal spring rate for your specific setup before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Will these fork springs require any other modifications?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While these springs are a significant upgrade on their own, for the most comprehensive performance improvement, consider pairing them with Race Tech Gold Valve Emulators to fine-tune your damping.\"}},{\"@type\":\"Question\",\"name\":\"Are these springs difficult to install?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Fork spring replacement typically requires specialized tools and a good understanding of front-end suspension. If you're not comfortable performing the installation yourself, we recommend having a qualified mechanic do it.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"Race Tech","offers":[{"title":"Default Title","offer_id":53035012915311,"sku":"200-2938090","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_25543763-1fbb-447a-af2b-a4e27a32534e.png?v=1779559142","url":"https:\/\/vtwinbikers.com\/products\/race-tech-high-performance-fork-springs-spring-0-90kg-200-2938090","provider":"Vtwinbikers","version":"1.0","type":"link"}