{"product_id":"progressive-11-in-progressive-fork-spring-kit-part-number-11-1577","title":"Progressive 11 in Progressive Fork Spring Kit, Part Number 11-1577","description":"The 'Original' Progressive Rate Fork Springs soak up the small road bumps, yet are firm enough to absorb the molar-rattling ones. Spring rates have been chosen to reduce front end \"dive\" during braking, yet still provide excellent ride comfort.\n\u003cul\u003e\n  \u003cli\u003eSome applications are offered in Heavy Duty and Standard Versions.\u003c\/li\u003e\n  \u003cli\u003eLifetime Manufacturer's Warranty\u003c\/li\u003e\n  \u003cli\u003eProgressive Rate\u003c\/li\u003e\n  \u003cli\u003ePrecision wound\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Progressive 11-1577 Progressive Rate Fork Spring Kit is designed to improve front-end performance by helping absorb both small road bumps and larger impacts. Its progressive spring rate is selected to reduce front-end dive during braking while maintaining ride comfort.\u003c\/p\u003e\u003cp\u003eThese precision-wound fork springs are listed for select Harley-Davidson Sportster models, including the 2016–2018 XL883L SuperLow, 2016–2019 XL883N Iron 883, 2016 XL1200V Seventy-Two, and 2018–2019 XL1200NS Iron 1200. Verify your motorcycle model and year against the fitment information before installation.\u003c\/p\u003e\u003cp\u003eManufacturer: Progressive. Manufacturer part number: 11-1577. Vendor part number: 11-1577. The product data identifies this item as a powersports Progressive Fork Spring Kit and states that it is covered by a lifetime manufacturer's warranty.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProgressive rate: Helps absorb varying road impacts while supporting improved front-end control.\u003c\/li\u003e\n\u003cli\u003eBraking support: Designed to reduce front-end dive during braking.\u003c\/li\u003e\n\u003cli\u003eRide comfort: Engineered to help maintain a comfortable ride over small and large road bumps.\u003c\/li\u003e\n\u003cli\u003ePrecision wound: Manufactured using precision-winding processes.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits select 2016–2019 Harley-Davidson Sportster models, including XL883L SuperLow, XL883N Iron 883, XL1200V Seventy-Two, and XL1200NS Iron 1200.\u003c\/li\u003e\n\u003cli\u003eWarranty: Includes a lifetime manufacturer's warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Y\u003cbr\u003e\nPart Type: powersports\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nCarb Acknowledgement Required: false\u003cbr\u003e\nRegular Stock: t\u003cbr\u003e\nUnits Per Sku: 1\u003cbr\u003e\nFitment:\u003cbr\u003e\n2016 Harley Davidson XL1200V Seventy-Two Base\u003cbr\u003e\n2016 Harley Davidson XL883L SuperLow Base\u003cbr\u003e\n2016 Harley Davidson XL883N Iron 883 Base\u003cbr\u003e\n2017 Harley Davidson XL883L SuperLow Base\u003cbr\u003e\n2017 Harley Davidson XL883N Iron 883 Base\u003cbr\u003e\n2018 Harley Davidson XL1200NS Iron 1200 Base\u003cbr\u003e\n2018 Harley Davidson XL883L SuperLow Base\u003cbr\u003e\n2018 Harley Davidson XL883N Iron 883 Base\u003cbr\u003e\n2019 Harley Davidson XL1200NS Iron 1200 Base\u003cbr\u003e\n2019 Harley Davidson XL883L SuperLow Base\u003cbr\u003e\n2019 Harley Davidson XL883N Iron 883 Base\u003cbr\u003e\n2020 Harley Davidson XL1200NS Iron 1200 Base\u003cbr\u003e\n2020 Harley Davidson XL883N Iron 883 Base\u003cbr\u003e\n2021 Harley Davidson XL1200NS Iron 1200 Base\u003cbr\u003e\n2021 Harley Davidson XL883N Iron 883 Base\u003cbr\u003e\n2022 Harley-Davidson XL883N Iron 883 Base","brand":"Progressive","offers":[{"title":"Default Title","offer_id":68303059550443,"sku":"630110","price":123.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/8bdd59ec69215c61261a06fe1bbdcb41_402169cc-2520-455e-a516-43a548502491.jpg?v=1793253636","url":"https:\/\/ctracingservices.com\/products\/progressive-11-in-progressive-fork-spring-kit-part-number-11-1577","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}