Fox Racing Shox SLS Spring Black - 74 mm travel

FOX Super Light Steel (SLS) springs here in colour Black are exactly that : super light steel springs. They're actually lighter than titanium coils. Using technology developed for highly stressed valve springs in drag racing cars, FOX was able to drastically reduce the weight of the spring. A proprietary surface treatment and stress relief process removes residual stresses from the spring, allowing them to withstand higher stresses. Each spring is optimized by using a smaller wire diameter and less coils, creating a lighter spring.

Features

• SLS Steel Spring
• Spring Stroke : up to 2.90 (74 mm)
• Available in 25 or 50-pound increments
• Shock compatiblity
    - 222.25 mm / 8.75 in (course 69.85mm / 2.75 in)
    - 225 mm (course 70 mm)
    - 250 mm (course 70 mm)
• Shock stroke compatiblity : 70 mm

Important notice : Some springs may be too long or too short to fit on certain model shocks. Pleaser refer the chart below

• DHX (2022+) and DHX Live Valve rear shocks
    - Eye to Eye 225 mm : Min length of the spring 130.3 mm / Max length of the spring 173.9 mm
    - Eye to Eye 250 mm : Min length of the spring 130.3 mm / Max length of the spring 173.9 mm
• DHX2 (2021+) rear shocks
    - Eye to Eye 225 mm  : Min length of the spring 133.8 mm / Max length of the spring 174.7 mm
    - Eye to Eye 250 mm : Min length of the spring 134.1 mm / Max length of the spring 182.4 mm 
• VAN R and Bomber CR rear shocks
    - Eye to Eye 225 mm : Min length of the spring 146.8 mm / Max length of the spring 171.7 mm
    - Eye to Eye 250 mm : Min length of the spring 152.4 mm / Max length of the spring 190.5 mm

How to understand the indication on the spring with for example 550x2.90x5.85 TLG

• 550 is the spring rate (higher is this value, stronger is the coil)
• 2.90 is the maximum travel of the spring in inches (here 2.90 inch or 74 mm)
• 5.85 is the total lenght of the spring in inches (here 5.85 inches of  148.59 mm)