Fox Shox SLS Spring, 1.385″ ID, 80mm/3.15″ Stroke, 325lbs, Blk

Description

Upgrade your mountain bike’s suspension with the Fox Shox SLS Spring – a lightweight, high-performance coil spring engineered for superior durability and optimized ride quality. Designed to fit Fox coil shocks, as well as Marzocchi, DVO, MRP, and X-Fusion shocks, this 80mm stroke (3.15 inches) spring delivers reliable support for aggressive trail riding, enduro, and downhill disciplines.

Materials & Engineering:

Constructed from proprietary Fox SLS (Super Light Steel), this spring features advanced surface treatment and stress relief processes. The innovative manufacturing approach allows the use of a smaller wire diameter with fewer coils, significantly reducing weight without compromising strength or performance. This technology ensures maximum durability, responsiveness, and weight savings, critical for high-performance riders seeking an agile, efficient suspension setup.

Performance & Components:

With a spring rate of 325 lbs, the SLS Spring provides precise tuning for moderate to aggressive riding styles. Its 1.385-inch (35mm) S.H.I.S. stem clamp diameter ensures compatibility with a wide range of modern shocks. The spring’s lightweight design enhances overall bike handling, reduces rider fatigue, and improves responsiveness across rugged terrain.

Style & Use Case:

Featured in sleek black, the Fox SLS Spring seamlessly integrates into any high-end mountain bike build. Whether you’re upgrading your existing shock or customizing your suspension for competitive racing or weekend adventures, this spring offers the perfect blend of weight savings and performance. Its robust construction makes it ideal for technical descents, trail rides, and demanding off-road adventures.

Innovative Features:

The proprietary SLS steel formulation and specialized processing set this spring apart from conventional options. The reduced coil count and smaller wire diameter result in a lighter package with enhanced stress distribution, ensuring longevity and consistent suspension performance over time.

Application & Fitment:

For optimal compatibility, verify spring fitment using Fox’s detailed fitment guide available at [Fox Tech Info](.bike/general-info/918/all-sls-and-standard-steel-rear-shock-spring-information). This spring is a versatile upgrade for riders seeking improved suspension response, weight reduction, and reliable support during intense trail rides and downhill runs.

Elevate your mountain biking experience with the Fox Shox SLS Spring – engineered for ultimate performance, durability, and lightweight efficiency.

• Enhanced construction with proprietary Fox SLS super light steel provides a durable yet lightweight spring, reducing overall bike weight without sacrificing performance.
• Engineered for optimal performance and stress relief, this spring features a unique surface treatment and stress relief process, ensuring long-lasting resilience and consistent damping under demanding trail conditions.
• Compatible with Fox coil shocks, Marzocchi, DVO, MRP, X-Fusion, and other shocks with a 1.385″ (35mm) inside diameter, offering versatile fitment for a wide range of rear suspension setups.
• Designed with a 325lb spring rate and an 80mm stroke, this spring delivers reliable support and precise rebound, ideal for aggressive trail riding, enduro, and mountain biking enthusiasts.
• Featuring a sleek black finish and innovative lightweight steel material, the SLS Spring minimizes weight while maximizing durability and responsiveness, making it the perfect upgrade for high-performance mountain biking suspension.