So you are looking for a sled to use indoors and outside to build a stronger body? The TANK All Surface Sled is worth a look. It is a handy tool for push and pull workouts. You can use it for CrossFit, HIIT training, and rehab. Resistance is applied with both directions to push your body.
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You can select from 3 levels of resistance. TANK’s inflated soft wheels allow you to exercise without damaging your grass, hardwood, or carpet surface.
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