#24 in Motorcycle & scooter tires
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Reddit mentions of Trans American MR14/MR15 Inner Tube with TR13 Valve Stem
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Reddit mentions: 1
We found 1 Reddit mentions of Trans American MR14/MR15 Inner Tube with TR13 Valve Stem. Here are the top ones.
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Heavy duty inner tube for use in farm, industrial and passenger/light truck tires.TR13 straight valve stem.See product description for fitment information.For use in bias or radial tires.
Specs:
| Height | 4 Inches |
| Length | 10 Inches |
| Weight | 2.4 Pounds |
| Width | 6 Inches |
Take some heavy duty contractor bags, fill them with sand of desired weight, tape them tight, and place them in the backpack.
For added features, you can make a Bulgarian Bag using a truck inner tube. You can use this bag for all of those bodyweight exercises by balancing or strapping it on your legs or shoulders like so.