Description
FOX 500lb x 2.800″ Shock Absorber Spring | Ultimate Suspension Performance
Unlock the full potential of your rear suspension with the genuine FOX 500lb x 2.800″ Shock Absorber Spring. As a crucial component in the Suspensions subcategory of Spare Parts, this coil spring is engineered for riders who demand precision, reliability, and ultimate control over their ride. Whether you´re navigating aggressive downhill tracks, technical enduro stages, or chunky all-mountain trails, installing the correct spring rate is the single most important step towards achieving optimal suspension performance. This 500 lbs/in spring provides the ideal foundation of support for a specific rider weight range, ensuring your shock absorber works exactly as it was designed to, from providing supple small-bump sensitivity to absorbing the biggest, trail-defining hits with composure.
Key Benefits
* Dialed-In Support & Unmatched Traction: Experience a new level of connection and grip on the trail. By matching your weight and riding style to this 500lb spring rate, you eliminate excessive sag and prevent the bike from wallowing in corners and through compressions. The result is a more dynamic ride that stays higher in its travel, providing predictable handling, razor-sharp cornering, and maximizing tire grip when you need it most.
* Superior Big-Hit Control: Say goodbye to harsh bottom-outs and gain the confidence to push your limits. This spring provides the necessary progressive support to absorb the largest impacts with complete control. It allows your shock´s damper to manage the energy effectively, giving you the confidence to charge through rock gardens, send the biggest drops, and maintain stability at high speeds without hesitation.
* Consistent and Reliable Performance: Enjoy the “set it and forget it” advantage. This coil spring offers a linear, predictable, and ultra-consistent feel on every single run. Its performance remains unaffected by changes in temperature or altitude, guaranteeing the same reliable support from the top of the mountain to the very bottom, lap after lap.
Main Features
* Precision Engineered Spring Rate: Manufactured to FOX´s exacting tolerances to deliver a true and consistent 500 lbs/in rate, ensuring a predictable and accurate foundation for your suspension setup.
* Optimized for FOX Shocks: Engineered for seamless compatibility with a wide range of FOX and Marzocchi coil shocks, guaranteeing a perfect fit and optimal performance without any guesswork or modification.
* Durable Protective Finish: Features a robust black finish that provides excellent protection against the elements, friction, and the general rigors of hard riding, ensuring long-lasting performance and a clean aesthetic on your bike.
* Designed for 2.800″ Travel: Specifically designed to function flawlessly with shocks that have a 2.800-inch stroke, ensuring full, unrestricted movement throughout the travel and preventing any risk of coil bind.
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Technical Specifications
* Attribute: Springs
* Spring Rate: 500 lbs/in
* Maximum Shock Travel / Stroke: 2.800 inches
* Inner Diameter (ID): 1.385 inches
* Total Length (Tlg): 5.728 inches
* FOX Reference Part Number: 039-03-004
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Brand:- Repuestos.
Category:- P_Shoxs.
Subcategory:- Spring.
Product Name:- Kit:
Black Steel Spring:
, Ref:039-03-004.






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