| Management number | 221903479 | Release Date | 2026/05/04 | List Price | US$57.60 | Model Number | 221903479 | ||
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Upgrade your mountain biking performance with the FOX SLS Coil Rear Shock Spring - expertly engineered for lightweight strength, precision fitment, and enhanced ride quality. Designed with the innovative FOX SLS (Super Light Steel) technology, this high-performance coil spring delivers a perfect blend of durability and weight savings, making it an ideal choice for aggressive trail riders, enduro enthusiasts, and downhill racers seeking optimal shock absorption and control. Material & Engineering Excellence Constructed from proprietary FOX lightweight steel (SLS), this coil spring features a specialized surface treatment and stress relief process. These advanced engineering techniques allow for a smaller wire diameter and fewer coils without compromising strength, resulting in a lighter spring that reduces unsprung weight and improves overall suspension responsiveness. The durable steel material ensures long-lasting performance across rugged terrain, while the vibrant orange finish adds a bold style element to your bike. Performance & Compatibility Designed with a 3.15-inch (80mm) stroke and a spring rate of 400 lb., the FOX SLS Coil Spring provides precise support tailored to aggressive riding styles. Its 1.385-inch (35mm) inside diameter fits FOX coil shocks, as well as compatible models from Marzocchi, DVO, MRP, X-Fusion, and more. The lightweight design enhances shock responsiveness, reducing fatigue and improving traction during technical climbs and high-speed descents. For exact fitment, consult the comprehensive spring fitment guide available at FOX's tech resources. Innovative Features & Use Cases - Optimized Material Composition: Superior strength-to-weight ratio for dynamic mountain biking conditions - Lightweight Design: Reduced unsprung weight improves suspension performance and handling - Versatile Fitment: Compatible with multiple shock brands and models, ensuring wide applicability - Color Coding & Aesthetic: Eye-catching orange finish adds style and
| UPC | 821973502380 |
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| Brand Name | FOX Factory |
| Style Name | Rear Shock Spring |
| Unit Count | 1.0 Count |
| Item Weight | 0.85 Pounds |
| Manufacturer | FOX |
| Model Number | 803-04-228 |
| Material Type | Steel |
| Included Components | Rear Shock Spring |
| Manufacturer Part Number | 803-04-228 |
| Compatible with Vehicle Type | Bicycle |
| Manufacturer Warranty Description | Limited Warranty |
| Global Trade Identification Number | 00821973502380 |
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