{"product_id":"sprindex-downhill-coil-springs-parts-rssp0044","title":"Sprindex Adjustable Coil Spring 75x162mm | Lightweight High Tensile Steel, Tool-Free Rate Adjustment, Compatible with Multiple Shocks, 510-570lbs Performance","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience unparalleled ride customization with the Sprindex Adjustable Rate Coil Spring, 75x162mm - 510-570lbs, designed for serious downhill, enduro, and mountain biking enthusiasts. Crafted from premium high-tensile spring steel, this lightweight coil ensures optimal performance while reducing unnecessary weight, making it ideal for aggressive trails and demanding terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from aerospace-grade high-tensile steel, the Sprindex coil spring offers exceptional durability and strength, capable of handling high stress and repetitive impacts. Its lightweight design, thanks to advanced materials, minimizes overall shock weight without sacrificing performance, making it a superior choice for riders seeking both agility and resilience.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Components:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eFeaturing an innovative adjustable spring rate system, this coil allows you to fine-tune your suspension's response by simply changing the effective coil length-no tools required. Included are five high-performance Delrin adapters that enable the spring to spin freely during compression, reducing preload friction and enhancing damping efficiency. The adjustable design maintains the original coil length, preserving your preload settings for consistent handling.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eTechnology \u0026amp; Compatibility:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThe Sprindex spring boasts a linear damping response across the initial 80% of stroke, smoothly absorbing impacts during aggressive descents, with a progressive rate in the final 20% to prevent bottom-outs. Its versatile design accommodates a wide range of shocks-check compatibility at [Sprindex Fitment Guide](https:\/\/sprindex.com\/pages\/compatibility)-ensuring seamless integration with your existing suspension setup.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eDesigned with a sleek black finish, the Sprindex coil is not only functional but also complements modern mountain bike aesthetics. Whether tackling downhill courses or rugged trail rides, this adjustable coil enhances your bike's suspension for personalized performance, improved control, and increased confidence on challenging terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Easy, tool-free adjustment of spring rate for on-the-fly tuneability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Includes high-performance Delrin adapters for smooth operation\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Lightweight construction reduces trail weight and increases maneuverability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Compatible with multiple shock models, offering versatile application options\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Designed for 75mm stroke shocks, with a spring rate adjustable from 510 to 570 lbs\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eUpgrade your mountain bike's suspension with the Sprindex Adjustable Rate Coil Spring and experience tailored damping performance that adapts to your riding style and trail conditions. Learn more about fitment and compatibility at [Sprindex Compatibility](https:\/\/sprindex.com\/pages\/compatibility).\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eAdjustable rate coil spring designed for downhill mountain bike shocks with a 75x162mm size and 510-570 lbs spring weight, allowing precise tuning for optimal performance. \u003c\/li\u003e\n\u003cli\u003eConstructed from high tensile spring steel comparable to lightweight springs, offering enhanced strength, reduced coil mass, and improved weight savings for competitive riders. \u003c\/li\u003e\n\u003cli\u003eFeatures tool-free, easy adjustment of spring rate by changing the effective coil length, with included Delrin performance adapters that enable smooth, spinning compression behavior and compatibility with a variety of shock models. \u003c\/li\u003e\n\u003cli\u003eEngineered with a dual-rate profile-linear for the first 80% of stroke and progressive in the last 20%-for improved bottom-out protection and a smoother ride on demanding downhill trails. \u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of mountain bike shocks; see the official Sprindex fitment page for detailed compatibility info, making it a versatile upgrade for riders seeking customizable suspension performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Sprindex","offers":[{"title":"Default Title","offer_id":42207828017219,"sku":"RSSP0044","price":166.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/942535-15_1_94378110-a2be-4892-8c2f-a12abb5cf53a.jpg?v=1773860058","url":"https:\/\/365cycles.com\/products\/sprindex-downhill-coil-springs-parts-rssp0044","provider":"365 Cycles","version":"1.0","type":"link"}