soft chest expander exercise chart
Product description
TPR Elasticity Stripe Rally, portable design.
Exercise your arms, shoulders, chest, back, legs, and more .
Lasting Elasticity and 3 times the length of the tensile.
Easy to carry, travel, on pack packaging, anytime and anywhere movement.
Product specification
100% new brands and high quality
Name:8-Shaped Pull Rope
Material: Natural rubber
Features:
* Product Name: 8-Shaped Pull Rope
* Material: Flexible Hose
* Handle: high quality foam
* Length: about 35cm
* Elongation: up to 3 times
* Weight: 55g
* Advantages: Environmental
1.OUTTER DIA:1.2CM
2.INNER DIA:0.9CM
3.HIGH QUALITY & ECO-FRIENDLY
4.SGS passed
Pounds Resistance Chart (for reference)
Tubes size(mm) | Strength(LBS) | |||
ID | OD | 200% | 300% | 400% |
4 | 7 | 3.6 | 5.5 | 7.7 |
6 | 9 | 5 | 7.7 | 10.33 |
5 | 9 | 5.6 | 8.5 | 11.68 |
5 | 10 | 7.9 | 11.2 | 13.48 |
6 | 11 | 9 | 12.8 | 16.4 |
7 | 10 | 5.2 | 7.4 | 10.11 |
7 | 11 | 6.6 | 9 | 11.5 |
8 | 12 | 9 | 13.4 | 18 |
7 | 12 | 11.1 | 15.5 | 20.3 |
6 | 12 | 11.7 | 17.5 | 24.7 |
5 | 12 | 13 | 18 | 27 |
6 | 13 | 16.3 | 24 | 28 |
6 | 14 | 15 | 21 | 27 |
8 | 17 | 27.5 | 37 | 56 |
5 | 14 | 17.5 | 27 | 35 |