{"product_id":"fox-standard-rear-shock-spring-rssp0128-mtb-rear-shock-spring","title":"FOX Steel Rear Coil Shock Spring | 550 lb. x 2.8\" Travel, Durable Steel Construction, Universal Fit for Fox, Marzocchi, DVO, MRP \u0026 X-Fusion Shocks","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking experience with the FOX Steel Rear Shock Coil Spring - a reliable, high-performance component engineered for durability and precision. Designed specifically for riders demanding optimal shock responsiveness, this 550 lb. x 2.8\" spring provides unmatched support and control on rugged trails and challenging terrains.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003ePremium Materials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eCrafted from proprietary FOX standard steel, this coil spring features a durable black powder-coated finish that resists corrosion and wear. The high-grade steel ensures longevity and consistent performance ride after ride. The spring's 1.385\" inside diameter fits FOX shock models, as well as popular brands like Marzocchi, DVO, MRP, and X-Fusion, making it a versatile upgrade option for various suspension systems.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering Excellence\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eWith a spring rate of 550 lbs (50 lb increments marked for easy identification), this spring delivers optimal support tailored to aggressive riding styles and heavy loads. Its total spring length (TLG) of 5.949 inches and 2.8-inch travel make it ideal for shocks with less than 2.55 inches of stroke, providing riders with precise damping and enhanced shock absorption capabilities.\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\u003eDesigned for compatibility with a 35mm SHIS stem clamp diameter, this coil spring ensures a snug, secure fit. The spring markings clearly display the rate and total travel, simplifying installation and maintenance. Its engineered shape and material composition make it suitable for aggressive riding and downhill performance, where reliability and responsiveness are critical.\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 sleek black styling, this coil spring complements any suspension setup while offering a professional, clean look. Perfect for downhill biking, trail riding, enduro, and freeride applications, it enhances your bike's suspension system to tackle the toughest terrains with confidence.\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- Proprietary FOX steel with a protective black powder coat for increased durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Compatible with multiple suspension brands like Marzocchi, DVO, MRP, and X-Fusion\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Marked with spring rate and total travel for easy identification\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Designed specifically for shocks with less travel than the spring's marked travel, ensuring optimal performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003eImportant Installation Note\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eFor optimal safety and performance, ensure the spring is paired with shocks having less travel than the spring's designated travel mark. For fitment assistance, visit [Fox Shock Spring Fitment 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-17\"\u003e\u003cp\u003eUpgrade your suspension setup with the FOX Steel Rear Shock Coil Spring for improved handling, enhanced durability, and confidence-inspiring ride quality. Whether upgrading existing shocks or building a custom setup, this spring is your go-to for reliable, high-performance mountain biking.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eHigh-quality steel construction from proprietary Fox standard steel ensures durability and reliable performance under demanding trail and mountain biking conditions. \u003c\/li\u003e\n\u003cli\u003ePrecision-engineered with a 550 lb. spring rate and 2.8\" stroke travel, providing optimal shock absorption and enhanced control on rough terrains. \u003c\/li\u003e\n\u003cli\u003eCompatible with Fox, Marzocchi, DVO, MRP, and X-Fusion shocks thanks to a 1.385\" inside diameter, making it versatile for various rear suspension setups. \u003c\/li\u003e\n\u003cli\u003eFeaturing a sleek black powder-coat finish, offering corrosion resistance and long-lasting aesthetics, even after years of rugged riding. \u003c\/li\u003e\n\u003cli\u003eDesigned for performance-focused riders, this coil spring is ideal for aggressive riding styles and technical downhill runs, helping improve ride quality and bike handling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"FOX","offers":[{"title":"Default Title","offer_id":42746767835203,"sku":"RSSP0128","price":45.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/RS1011_00064460-af1b-443d-8b59-3d93388ffffb.jpg?v=1779349892","url":"https:\/\/365cycles.com\/products\/fox-standard-rear-shock-spring-rssp0128-mtb-rear-shock-spring","provider":"365 Cycles","version":"1.0","type":"link"}