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Fox Shox Standard Spring, 1.385" ID, 83mm/3.25" Stroke, 450lbs

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Product details

Management number 212537615 Release Date 2026/04/06 List Price US$19.19 Model Number 212537615
Category

Upgrade your mountain bike's suspension performance with the FOX Steel Rear Shock Coil Spring - a reliable, component engineered for durability and optimal ride control. Designed for riders seeking precise suspension setup, this 450 lb. Spring with 3.25" travel is an essential upgrade for FOX coil shocks and compatible models from Marzocchi, DVO, MRP, X-Fusion, and more. Materials & Construction: Built from proprietary FOX standard steel, this coil spring features a robust steel composition that ensures long-lasting resilience under aggressive trail riding and technical descents. The ultra-durable black powder-coat finish provides superior corrosion resistance, maintains its sleek appearance over time, and withstands harsh riding conditions. Performance & Engineering: With a spring rate of 450 lbs/in and a total spring length of 6.760" (TLG), this coil spring is designed to deliver consistent, predictable damping response, enhancing your bike's suspension response. The 2.75 - 3.00-inch stroke makes it suitable for a range of shock travel setups, optimizing your bike's handling and comfort on demanding terrain. Components & Technology: The inside diameter of 1.385" (35.2mm) fits FOX coil shocks seamlessly, with compatibility extending to Marzocchi, DVO, MRP, X-Fusion, among other brands. All FOX standard steel springs are clearly marked with their spring rate and total travel, ensuring straightforward selection and installation. The integrated FOX vendor part number printed on the spring assists in easy identification and replacement. Style & Use Case: This black coil spring complements aggressive trail, enduro, and downhill riding setups, giving your suspension a clean, professional look while providing durable support. Ideal for riders who demand precise travel adjustment, improved chassis responsiveness, and enhanced ride confidence on technical trails or downhill tracks. Innovative Features & Differentiators: - Marked with spring rate (450 lbs/in) a

  • Constructed from proprietary Fox standard steel, this rear shock coil spring offers exceptional durability and reliable performance for mountain biking applications.
  • Engineered with a precise 450 lb. spring rate and 3.25" travel, providing optimal shock absorption and enhanced control on rugged trails and technical descents.
  • Designed to fit a variety of shocks including Fox, Marzocchi, DVO, MRP, and X-Fusion, with a 1.385" inside diameter for versatile compatibility across many models.
  • Features an ultra-durable black powder-coat finish that resists corrosion and maintains a sleek appearance, ensuring long-lasting performance in harsh riding conditions.
  • Ideal for downhill, enduro, and trail riding, this spring improves suspension responsiveness and ride quality, making it an essential upgrade or replacement part for serious cyclists seeking precision engineering.
UPC 821973501703
Brand Name FOX Factory
Style Name Rear Shock Spring
Unit Count 1.0 Count
Item Weight 1 Pounds
Manufacturer FOX
Model Number 803-04-158
Material Type Steel
Included Components Rear Shock Spring
Manufacturer Part Number 803-04-158
Compatible with Vehicle Type Bicycle
Manufacturer Warranty Description Limited Warranty

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