{"product_id":"sprindex-trail-rear-shock-spring-rssp0046-mtb-rear-shock-spring","title":"Sprindex Adjustable Rear Coil Spring for XC - Trail Bikes | 380-430 lbs, 55mm, Lightweight High-Tensile Steel, variable spring rate with adapters for Shock Compatibility","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience Customizable Performance with the Sprindex Adjustable Weight Rear Coil Spring - XC \/ Trail, 380-430 lbs, 55mm\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eOptimize your mountain biking setup with the innovative Sprindex Adjustable Weight Rear Coil Spring, engineered specifically for XC and trail riders seeking personalized suspension tuning. Featuring high-end materials and cutting-edge technology, this lightweight coil spring enhances shock performance, responsiveness, and durability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering Excellence:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eCrafted from super high tensile spring steel, similar to premium \"lightweight\" springs, the Sprindex coil offers exceptional strength-to-weight ratio. Its advanced construction reduces coil mass, contributing to a lighter overall suspension system without compromising durability. The spring's robust design withstands high stress levels, ensuring reliable performance across rugged terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003ePerformance \u0026amp; Components:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eDesigned for riders requiring a flexible spring rate, this coil allows on-the-fly adjustments by altering the effective coil length-enabling a broad range from 380 to 430 lbs. The set includes a spring, adjustable mechanism, and five Delrin performance adapters, which facilitate smooth coil rotation during compression and compatibility with various shock models. The 126mm (5.0 inches) spring length makes it ideal for XC and trail applications, delivering a perfect balance of efficiency and comfort.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eTechnology \u0026amp; Innovative Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eThe Sprindex system introduces a revolutionary adjustable spring rate-allowing riders to fine-tune their suspension to match terrain and riding style without changing preload settings. The design maintains a consistent spring length, ensuring load stability, while the linear response in the first 80% of stroke and progressive rate at the last 20% deliver smooth bottom-out protection. This advanced engineering enhances ride smoothness, control, and bottom-out resistance, even in aggressive trail riding.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eWith sleek black finish and a compact 55mm stroke, this coil spring seamlessly integrates into your mountain bike's suspension system. It's perfect for XC racers, trail riders, and all-mountain enthusiasts aiming for customizable suspension performance without sacrificing weight or durability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003eKey Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Adjustable spring rate from 380 to 430 lbs for tailored suspension tuning\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- 126mm spring length optimized for XC and trail riding\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Includes adapters for compatibility with various shocks and setups\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Made from super high tensile spring steel for strength and reduced weight\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- Smooth, progressive damping behavior for enhanced ride comfort and control\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eUpgrade your mountain bike suspension with the Sprindex Adjustable Weight Rear Coil Spring and experience unparalleled adjustability, durability, and performance on every trail. Whether tackling technical descents or smooth climbs, this innovative coil spring helps you ride with confidence and precision.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eOptimizable adjustable weight rear coil spring designed specifically for XC and Trail riding with a 55mm stroke length, providing versatile performance across a range of trail conditions. \u003c\/li\u003e\n\u003cli\u003eFeatures an innovative adjustable spring rate system (380-430 lbs) that allows riders to fine-tune their suspension for optimal responsiveness and comfort on demanding climbs or technical descents. \u003c\/li\u003e\n\u003cli\u003eConstructed from super high tensile spring steel, ensuring lightweight durability and sustained performance under high stress, while reducing coil mass for a more efficient ride. \u003c\/li\u003e\n\u003cli\u003eIncludes Delrin performance adapters that enable the spring to spin smoothly during compression and adapt seamlessly to various shock models and mounting configurations, enhancing compatibility and ease of setup. \u003c\/li\u003e\n\u003cli\u003eEngineered with a progressive damping curve-linear during the first 80% of stroke with a more forgiving, progressive rate in the last 20%-to improve bottom-out resistance and deliver a smoother ride on rough terrain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Sprindex","offers":[{"title":"Default Title","offer_id":42207827951683,"sku":"RSSP0046","price":151.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/XD1000.jpg?v=1779325409","url":"https:\/\/365cycles.com\/products\/sprindex-trail-rear-shock-spring-rssp0046-mtb-rear-shock-spring","provider":"365 Cycles","version":"1.0","type":"link"}