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| Management number | 212537586 | Release Date | 2026/04/06 | List Price | US$36.00 | Model Number | 212537586 | ||
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Upgrade Your MTB Suspension with the FOX Steel Rear Shock Coil Spring - 400 lb. x 2.45" Travel, 4.675" Total Length, Black Maximize your mountain biking performance with the FOX Steel Rear Shock Coil Spring, engineered for durability, precision, and optimal shock compatibility. Crafted from proprietary FOX standard steel, this coil spring delivers reliable performance for aggressive trail riding, downhill, enduro, and all-mountain riding styles. Materials & Durability: Made from FOX proprietary steel, this coil spring ensures long-lasting resilience and excellent fatigue resistance. Its ultra-durable black powder-coat finish not only provides superior corrosion protection but also maintains a sleek, professional appearance even after intense rides and harsh conditions. Performance & Engineering: Designed with a spring rate of 400 lbs/in, this spring offers a perfect balance of support and responsiveness for riders needing dependable rear shock performance. The 2.45-inch stroke travel ensures proper damping and absorption of rough terrain, enhancing comfort and control on challenging trails. The spring's total length of 4.675 inches fits a variety of shock configurations, making it a versatile upgrade or replacement option. Components & Compatibility: With an inside diameter of 1.385 inches (35.2mm), this spring is compatible with FOX coil shocks, Marzocchi, DVO, MRP, X-Fusion, and other compatible shocks, ensuring broad versatility. The spring markings clearly denote its specifications (400 x 2.45), assisting with easy identification and fitment. For precise matching, consult FOX's spring fitment guide at [RideFOX Tech Center](https://tech.ridefox.com/bike/general-info/918/all-sls-and-standard-steel-rear-shock-spring-information). Style & Use Case: Designed in a sleek black finish, this coil spring complements any mountain bike build and is ideal for riders seeking increased suspension control, durability, and ride quality. Its standardized siz
| UPC | 821973502113 |
|---|---|
| Brand Name | FOX Factory |
| Style Name | Rear Shock Spring |
| Unit Count | 1.0 Count |
| Item Weight | 0.75 Pounds |
| Manufacturer | FOX |
| Model Number | 803-04-133 |
| Material Type | Steel |
| Included Components | Rear Shock Spring |
| Manufacturer Part Number | 803-04-133 |
| Compatible with Vehicle Type | Bicycle |
| Manufacturer Warranty Description | Limited Warranty |
| Global Trade Identification Number | 00821973502113 |
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