Challenge different muscle groups and strive for greater mobility with the convenient and versatile SPRI® Xertube Resistance Tube .
| Resistance | Weight Equivalent | Size in length |
|---|---|---|
| Very light | 10 lbs. | 44" |
| Light | 20 lbs. | 44" |
| Medium | 30 lbs. | 50" |
| Heavy | 40 lbs. | 53" |
| Ultra heavy | 50 lbs. | 53" |
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