{"product_id":"fox-shox-sls-rear-shock-spring-rssp0518-mtb-rear-shock-spring","title":"Fox Shox SLS Lightweight Steel Spring 550lbs for Fox, Marzocchi, DVO \u0026 More - 51mm Stroke, 1.385\" ID, Proprietary Surface Treatment for Enhanced Durability and Reduced Weight","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking performance with the Fox Shox SLS Spring - the epitome of lightweight, high-strength coil springs designed specifically for premium shock absorption and enhanced ride quality. Crafted from proprietary Fox Super Light Steel (SLS), this spring combines advanced materials and engineering for optimal durability, weight savings, and reliable performance across rugged terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMade from innovative Fox SLS proprietary steel, this spring features a unique surface treatment and stress relief process that allows for a smaller wire diameter with fewer coils, significantly reducing weight without sacrificing strength. The lightweight steel ensures maximum shock absorption while maintaining structural integrity during demanding off-road adventures.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered for optimal performance, the 550lbs rated spring provides a balanced compression for aggressive trail riding, enduro, and all-mountain cycling. Its 51mm (2.0\") stroke length makes it compatible with a wide range of rear shocks, enhancing vertical compliance and rider comfort. The spring's precise engineering ensures consistent performance, improved responsiveness, and better control over rough terrain.\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\u003eDesigned with a 1.385\" (35mm) S.H.I.S. stem clamp diameter, this spring fits Fox coil shocks seamlessly and is compatible with select models from Marzocchi, DVO, MRP, X-Fusion, and more. For detailed fitment help, visit [Fox Spring Compatibility Guide](https:\/\/tech.ridefox.com\/bike\/general-info\/918\/all-sls-and-standard-steel-rear-shock-spring-information).\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\u003eWith its vibrant orange finish, the SLS Spring adds a distinctive look to your bike setup. Perfect for demanding trail riders, enduro racers, and mountain biking enthusiasts who seek lightweight components without compromising durability or performance, this spring effortlessly complements your aggressive riding style.\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\u003eThe proprietary SLS technology offers a superior combination of lightweight design and high-strength performance. Its reduced coil count and smaller wire diameter not only decrease weight but also enable smoother shock actions and improved shock response, making it a top choice for riders aiming for optimal suspension tuning.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003eEnhance your ride's efficiency and handling with the Fox Shox SLS Spring - engineered for riders who demand lightweight, reliable, and high-performance suspension components.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003e- Crafted from proprietary Fox SLS (Super Light Steel) material featuring a specialized surface treatment and stress relief process for enhanced durability and corrosion resistance, ensuring long-lasting performance on rough trail rides and aggressive descents. \u003c\/li\u003e\n\u003cli\u003e- Designed for optimal performance with a 550lb spring rate and a 51mm\/2.0\" stroke, engineered to provide precise suspension support and improve shock responsiveness across various mountain biking terrains. \u003c\/li\u003e\n\u003cli\u003e- Universal compatibility with Fox coil shocks as well as Marzocchi, DVO, MRP, and X-Fusion shocks thanks to the 1.385\" (35mm) inside diameter, allowing versatile upgrade options for different front and rear suspension setups. \u003c\/li\u003e\n\u003cli\u003e- Lightweight construction using advanced steel alloys results in a high-strength, low-weight spring that reduces overall bike weight without compromising performance, ideal for competitive enduro and trail riders seeking efficiency. \u003c\/li\u003e\n\u003cli\u003e- Features an eye-catching orange color and reinforced design tailored for aggressive riding, with SLS architecture ensuring reliable coil spring performance in demanding conditions and innovative load management during high-impact shocks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"FOX","offers":[{"title":"Default Title","offer_id":42746238894147,"sku":"RSSP0518","price":146.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FX2901.jpg?v=1773432113","url":"https:\/\/365cycles.com\/products\/fox-shox-sls-rear-shock-spring-rssp0518-mtb-rear-shock-spring","provider":"365 Cycles","version":"1.0","type":"link"}