{"product_id":"fox-sls-rear-shock-spring-rssp0163-mtb-rear-shock-spring","title":"FOX SLS Coil Rear Shock Spring 550 lb. Lightweight Steel, 80mm Stroke, Orange for Fox, Marzocchi \u0026 More","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eBoost your mountain biking performance with the FOX SLS Coil Rear Shock Spring - 550 lb., 3.15\" \/ 80mm Stroke, in striking orange. Designed with premium materials and cutting-edge engineering, this lightweight coil spring offers unmatched durability, responsiveness, and weight savings for aggressive trail and enduro riders.\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\u003eCrafted from proprietary FOX SLS lightweight steel, this spring features a specialized surface treatment and stress relief process. These innovations enable the use of a smaller wire diameter with fewer coils, resulting in a significantly lighter spring without sacrificing strength or performance. The high-quality steel ensures long-lasting durability, even under the most demanding riding conditions.\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\u003eThe FOX SLS coil spring boasts a lower unsprung weight compared to standard springs, directly enhancing shock responsiveness and overall ride quality. Its 550 lb. spring rate is ideal for riders seeking a balanced blend of support and plushness during aggressive trail rides, enduro descents, and all-mountain adventures. The 80mm stroke length ensures smooth suspension action, optimized for penetrating terrain and technical climbs.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eWith an internal diameter of 35mm (1.385 inches), this spring fits FOX coil shocks seamlessly and is compatible with Marzocchi, DVO, MRP, X-Fusion, and other suspension brands. Its innovative surface treatment reduces friction and wear, prolonging the lifespan of the spring while maintaining consistent performance. For precise fitment, refer to the FOX spring fitment guide here: [Spring Fitment Help](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\u003eFeaturing a vibrant orange finish, the FOX SLS Coil Spring adds a bold aesthetic to your bike's suspension setup. Its lightweight design makes it an excellent choice for aggressive trail riding, downhill, enduro, and bike park sessions where weight savings and suspension stability are critical.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eKey Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Lightweight Steel Construction: Proprietary SLS material reduces weight while maintaining strength.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Optimized Design: Fewer coils and smaller wire diameter for weight savings and better responsiveness.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Universal Fit: 35mm internal diameter compatible with FOX, Marzocchi, DVO, MRP, X-Fusion, and more.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Color \u0026amp; Style: Eye-catching orange finish adds visibility and style to your suspension system.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Performance-Driven: Improves shock performance, responsiveness, and durability for technical terrain.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eUpgrade your mountain bike's suspension with the FOX SLS Coil Rear Shock Spring and experience a lighter, more responsive ride designed for serious riders seeking performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEnhanced performance with proprietary FOX SLS steel construction for a lightweight yet durable coil spring. \u003c\/li\u003e\n\u003cli\u003eEngineered with a unique surface treatment and stress relief process, enabling the use of thinner wire for reduced weight without sacrificing strength, improving bike handling and responsiveness. \u003c\/li\u003e\n\u003cli\u003eDesigned to fit FOX coil shocks, Marzocchi, DVO, MRP, X-Fusion, and other compatible models with a 35mm\/1.385\" inner diameter, ensuring versatile application across mountain biking and trail bikes. \u003c\/li\u003e\n\u003cli\u003eOptimized for trail and enduro riding, the 550 lb. spring provides reliable support and consistent damping over rough terrain, enhancing traction and rider control. \u003c\/li\u003e\n\u003cli\u003eFeaturing an eye-catching orange color and advanced spring technology, this SLS coil spring reduces unsprung weight for increased efficiency and performance on challenging trails.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"FOX","offers":[{"title":"Default Title","offer_id":42734855782467,"sku":"RSSP0163","price":139.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/RS9124_c0bd8609-90c4-4158-9ee0-167ca6ebe2c9.jpg?v=1779349643","url":"https:\/\/365cycles.com\/products\/fox-sls-rear-shock-spring-rssp0163-mtb-rear-shock-spring","provider":"365 Cycles","version":"1.0","type":"link"}