Fox Shox SLS Spring, 1.385″ ID, 80mm/3.15″ Stroke, 425lbs, Blk

Description

Upgrade your mountain biking performance with the Fox Shox SLS Spring – the ultimate lightweight, high-performance coil spring designed for serious riders. Crafted from proprietary Fox Super Light Steel (SLS), this spring combines innovative materials and advanced engineering to deliver unmatched durability, reduced weight, and optimized ride quality.

Materials & Construction:

Made from Fox’s exclusive SLS (Super Light Steel), this spring features a specialized surface treatment and stress relief process. These treatments allow for a smaller wire diameter and fewer coils without compromising strength, resulting in a significantly lighter spring that enhances overall bike efficiency and maneuverability.

Performance & Engineering:

Designed for optimal shock absorption, the 425 lbs spring rate provides excellent support for aggressive riding styles, including enduro, trail, and all-mountain disciplines. Its 80mm (3.15 inch) stroke length makes it compatible with a variety of coil shock setups, ensuring smoothness and control across diverse terrains. The spring’s precise engineering minimizes flex and maintains consistent performance over time.

Components & Compatibility:

The Fox SLS Spring features a 35mm (1.385 inch) inside diameter, making it compatible with Fox coil shocks, as well as notable brands like Marzocchi, DVO, MRP, and X-Fusion. For detailed fitment guidance and spring fit help, refer to Fox’s comprehensive spring compatibility chart at [Fox Fitment Guide](.bike/general-info/918/all-sls-and-standard-steel-rear-shock-spring-information).

Style & Use Case:

Finished in sleek black, the SLS Spring not only performs at the highest level but also complements the aesthetic of high-end mountain bikes. Its lightweight profile is ideal for riders seeking to reduce unsprung weight, improve suspension response, and increase overall bike agility on rugged trails, technical descents, and steep climbs.

Innovative Features:

Thanks to Fox’s proprietary SLS material and surface treatment technology, this spring offers superior fatigue resistance and longevity, standing up to the demands of intense riding. Its stress-relieved design ensures consistent spring rate over time, providing reliable shock performance ride after ride.

Key Specifications:

– Spring Rate: 425 lbs

– Stroke Length: 80mm / 3.15 inches

– Inside Diameter: 1.385 inches (35mm)

– Material: Lightweight Steel (Fox Super Light Steel)

– Color: Black

– Model: SLS

Enhance your suspension setup with the Fox Shox SLS Spring – engineered for performance, built for durability, and designed for riders who demand the best. Ideal for upgrading existing shocks or customizing your suspension for specific riding conditions, this lightweight spring is a must-have for serious mountain bikers.

• Enhanced with proprietary Fox super light steel (SLS) construction, this spring offers superior strength-to-weight ratio for optimized performance on demanding trail rides.
• Engineered with a unique surface treatment and stress relief process, enabling a smaller wire diameter and fewer coils, resulting in a significantly lighter spring without sacrificing durability.
• Compatible with multiple shock brands including Fox coil shocks, Marzocchi, DVO, MRP, and X-Fusion, thanks to the precise 1.385″ inside diameter-perfect for versatile suspension setups.
• Designed for 80mm/3.15″ stroke shocks, this 425lbs spring enhances your bike’s responsiveness, control, and overall ride quality for aggressive trail riding and technical descents.
• Stylish black finish combined with innovative engineering makes this SLS spring a reliable upgrade for performance-minded riders seeking lightweight, durable suspension components.