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The StrechCordz Grudge Belt S120 adds competition to resisted swimming for two-person tug of war, barge pulls and many other exercises. Competitive swimmers improve strength, form and times. Swimmers use StrechCordz resistance exercise products to improve stroke, strength and endurance.
Resistance Level
Resistance when stretched 1-3 times the original length:
StrechCordz
| STRECHCORDZ RESISTANCE SIZE CHART | ||
|---|---|---|
| Size | Resitance* (kg) | Resistance* (lbs) |
| Silver | 1.3 - 3.6 | 3 - 8 |
| Yellow | 2.2 - 6.3 | 5 - 14 |
| Green | 3.6 - 10.8 | 8 - 24 |
| Red | 5.4 - 14.1 | 12 - 31 |
| Blue | 6.3 - 15.4 | 14 - 34 |
| Black | 9.1 - 20.4 | 20 - 45 |
|
* Resistance when stretch 1 - 3 times orginal length Updated September 2021 |
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