{"product_id":"sprindex-enduro-coil-springs-parts-rssp0048","title":"Sprindex Adjustable Enduro Rear Coil Spring 500-550lbs | Lightweight High-Tensile Steel, Tool-Free Spring Rate Adjustment, Compatible with Multiple Shocks","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eIntroducing the Sprindex Adjustable Weight Rear Coil Spring - Enduro (500-550 lbs): the ultimate solution for precision tuning, lightweight performance, and versatile compatibility in mountain biking suspension systems. Specifically engineered for enduro riders seeking customizable shock performance, this innovative coil spring features advanced materials and technology that enhance ride quality on demanding trails.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003ePremium Materials \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from high-tensile spring steel comparable to lightweight racing springs, the Sprindex coil minimizes weight without sacrificing strength or durability. Its lightweight design reduces unsprung mass, enhancing bike handling and responsiveness during aggressive riding. The spring's robust material allows for a wide adjustable spring rate range (500-550 lbs), enabling riders to fine-tune their suspension for various terrains and riding styles.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eThe Sprindex system uniquely allows for tool-free, on-the-fly spring rate adjustments by simply changing the effective coil length with an included adjuster. This feature offers seamless tuning without altering preload, which is adjusted separately using your shock's threaded ring. The coil's design ensures a linear rate through the first 80% of stroke, transitioning into a progressive rate in the final 20%, effectively smoothing bottom-outs for improved control and comfort on technical descents.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Compatibility\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eThe package includes the premium coil spring, a precision adjuster, and five Delrin performance adapters. These adapters enable the spring to rotate freely during compression, preventing unwanted twisting, and adapt to a variety of shock models. The system is compatible with numerous shocks; for detailed fitment and compatibility, visit [Sprindex Compatibility Page](https:\/\/sprindex.com\/pages\/compatibility).\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eVersatile Style \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eDesigned for enduro and trail riders, the Sprindex adjustable coil enhances suspension responsiveness, stability, and rider confidence across diverse terrains. Its sleek black finish complements any mountain bike aesthetic while providing durable, long-lasting performance in rugged conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Tool-Free Spring Rate Adjustment: Effortless customization for different trail conditions without disassembling your shock.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Lightweight Design: High-grade steel offers reduced weight, improving bike agility and reducing fatigue.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Enhanced Ride Quality: Progressive damping in the last 20% of stroke minimizes harsh bottom-outs, enhancing comfort.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- All-In-One Package: Includes the coil, adjustment mechanism, and adapters for quick setup and tuning.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eUpgrade your mountain bike's suspension with the Sprindex Adjustable Weight Rear Coil Spring - Enduro, and experience personalized performance that adapts to your riding style, terrain, and preferences. Optimize handling, control, and comfort with this advanced, high-performance coil system.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eVersatile adjustable spring rate with tool-free customization, allowing riders to easily fine-tune their rear suspension for optimal performance on diverse trail conditions.\u003c\/li\u003e\n\u003cli\u003eConstructed from high-tensile lightweight steel, this coil spring delivers exceptional durability, reduced weight, and reliable performance under high stress, making it ideal for aggressive Enduro riding.\u003c\/li\u003e\n\u003cli\u003eIncludes a comprehensive kit with the spring, precision adjuster, and five performance adapters designed to fit a wide range of shocks, ensuring seamless compatibility and smooth spin during compression.\u003c\/li\u003e\n\u003cli\u003eDesigned with a dual-rate behavior, featuring a linear response in the first 80% of stroke and a progressive rate in the last 20%, providing enhanced bottom-out control and a smoother ride over rough terrain.\u003c\/li\u003e\n\u003cli\u003eEngineered for precision and engineering excellence, the Sprindex Enduro Spring is the perfect upgrade for riders seeking customizable suspension with quick adjustments, durability, and improved handling on demanding mountain biking trails.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Sprindex","offers":[{"title":"Default Title","offer_id":42207851380803,"sku":"RSSP0048","price":150.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/942535-08_3_c230ed9d-c17e-46ce-838f-1dbdd0403534.jpg?v=1773860085","url":"https:\/\/365cycles.com\/products\/sprindex-enduro-coil-springs-parts-rssp0048","provider":"365 Cycles","version":"1.0","type":"link"}