Optimized for lightweight performance, the FOX SLS Coil Rear Shock Spring (600 lb., 2.65" stroke) features proprietary Fox super light steel (SLS) material, reducing unsprung weight for enhanced suspension responsiveness and overall ride quality. Engineered with a unique surface treatment and stress relief process, this spring allows for a smaller wire diameter with fewer coils, delivering a lighter, more efficient damping experience suitable for high-performance mountain biking. Designed to fit FOX coil shocks as well as Marzocchi, DVO, MRP, and X-Fusion, the 35mm inside diameter provides versatile compatibility across multiple suspension brands, simplifying upgrade options. Stylish orange color adds a bold aesthetic to your bike, making it easy to identify and coordinate with your existing components while providing reliable, long-lasting performance in demanding trail conditions. Built with innovative SLS technology, this coil spring offers a lower un-sprung weight that improves suspension response, control, and durability, making it an ideal upgrade for aggressive riders seeking optimal performance and precise tuning. Boost your mountain bike's performance with the FOX SLS Coil Rear Shock Spring - a lightweight, durable, and highly engineered component designed for serious riders seeking optimal suspension efficiency. This 600 lb. x 2.65" (67mm stroke) spring features FOX's proprietary Super Light Steel (SLS) material, offering an exceptional balance of strength and weight savings. Materials & Construction Crafted from innovative FOX SLS lightweight steel, this coil spring benefits from a proprietary surface treatment and stress relief process that reduces wire diameter and coil count, resulting in a significantly lighter spring without compromising durability or performance. The 35mm (1.385 ) internal diameter ensures compatibility with most coil shock systems, including FOX, Marzocchi, DVO, MRP, and X-Fusion models. Performance & Engineering Designed for aggressive trail riding, enduro, and all-mountain applications, the FOX SLS coil spring features a variable rate that enhances responsiveness and control under load. Its reduced unsprung weight improves shock sensitivity, leading to better traction, increased rider confidence, and smoother suspension action over technical terrain. Components & Technology The spring's lightweight steel construction and advanced stress relief technology set it apart from standard coil springs, delivering a superior strength-to-weight ratio. The bright orange finish not only adds a vibrant style element but also provides corrosion resistance, ensuring longevity in tough riding conditions. Style & Use Case Ideal for mountain bikers seeking to fine-tune their suspension setup, this spring is perfect for enduro, trail, and downhill disciplines. Its sleek design and high-performance features make it suitable for both competitive racing and recreational riding, helping you maintain optimal suspension performance and ride quality. Innovative & Differentiating Features - Proprietary FOX SLS lightweight steel compresses coil count while maintaining stren