Fox Shox Standard Spring, 1.385" ID, 71mm/2.8" Stroke, 350lbs

★★★★★ 4.5 30 reviews

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Product details

Management number 212537672 Release Date 2026/04/06 List Price $16.00 Model Number 212537672
Category

Experience Enhanced Ride Performance with the FOX Steel Rear Shock Coil Spring - 350 lb. x 2.8", Black Optimize your mountain biking setup with the FOX Steel Rear Shock Coil Spring, meticulously engineered for durability, precision, and compatibility across a range of high-performance shocks. Crafted from proprietary FOX standard steel, this 350 lb. spring provides reliable, consistent support and improved damping, ensuring you handle rough terrains, jumps, and technical descents with confidence. Materials & Construction Made from steel featuring an ultra-durable black powder-coat finish, this coil spring offers excellent corrosion resistance and long-lasting performance. The proprietary FOX steel ensures optimal elasticity and resilience, maintaining shape and function under heavy use and extreme conditions. The spring's inside diameter of 1.385" (35.2mm) guarantees compatibility with FOX, Marzocchi, DVO, MRP, X-Fusion, and other leading rear shock brands. Performance & Engineering Designed with a spring rate of 350 lbs/in and a total spring length (TLG) of 5.799", this coil spring delivers consistent support tailored for aggressive trail riding, enduro, or downhill riding styles. Its 2.8-inch stroke travel (71mm) provides efficient shock absorption, reducing rider fatigue and enhancing control over technical terrain. The spring markings clearly display the rate and travel, facilitating quick identification and upgrade. Components & Technology Features a standard black finish with precise markings indicating spring rate and total travel, making installation and maintenance straightforward. The included Fox vendor part number printed on the spring aids in easy identification for proper fitment. The spring fitment guide (available at Ride Fox tech portal) ensures seamless compatibility with your existing shock system, whether upgraded or stock. Style & Use Case Designed for riders demanding durability, reliability, and customization, this coil spring is

  • steel coil spring constructed from proprietary Fox standard steel for exceptional durability and reliability.
  • Designed with a 350 lb. spring rate and 2.8" stroke travel, optimizing shock absorption and ride comfort for aggressive trail riding and downhill biking.
  • Universal fitment with a 1.385" inside diameter compatible with Fox coil shocks, Marzocchi, DVO, MRP, X-Fusion, and other major brands, ensuring versatility and ease of installation.
  • Enhanced with a durable black powder-coat finish that resists corrosion and wear, maintaining a sleek appearance and long-lasting performance in rugged riding conditions.
  • Innovative design features printed Fox part numbers for easy identification and compatibility verification, combined with precise spring markings for accurate setup and tuning.
UPC 821973501895
Brand Name FOX Factory
Style Name Rear Shock Spring
Unit Count 1.0 Count
Item Weight 1 Pounds
Manufacturer FOX
Model Number 803-04-143
Material Type Steel
Included Components Rear Shock Spring
Manufacturer Part Number 803-04-143
Compatible with Vehicle Type Bicycle
Manufacturer Warranty Description Limited Warranty
Global Trade Identification Number 00821973501895

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