Here is another sled designed to take your fitness training to the next level. The Torque Fitness Tank M4 Push Sled comes with dual variable resistance brakes. It can be used on concrete, rubber, wood, asphalt, and grass thanks to its heavy duty rubber tires. The Tank M4 has 3 resistance levels. It has an optional weight horn for performing more intense towing exercises.
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The Tank M4 is ready for HIIT training. It features heavy duty electrostatic paint coating. You can find out more about it here.
[where to get it] [official site]
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