The S130 reaches new heights in athletic training by strengthening leg muscles to enhance vertical leap.
The S130 includes an adjustable belt that fits up to a 26in/75cm waist and tow 30in/75cm rubber tubes connected to foot straps. No removable components or replacement parts. Not Interchangeable. Available in five resistance levels.
Color | Resistance (lbs)* | Resistance (kg)* | ||
Silver | 3-8 | 1.3-3.6 | ||
Yellow | 5-14 | 2.2-6.3 | ||
Green | 8-24 | 3.6-10.8 | ||
Red | 12-31 | 5.4-14.1 | ||
Blue | 14-34 | 6.3-15.4 | ||
* resistance when stretched 1 – 3 times original length |