Back when I first started to build a home gym (circa 2012), DIY items were common. The home gym market was pretty limited, and DIY-ing your equipment was also a way to gain some street cred among fellow home gym aficionados, of which there were few. And one of the easiest, and most cost effective, DIY fitness projects was a tire sled. It seemed like every big fitness channel either had one, or had instructions on how to make one. Zach Even-Esh had one, and so did Elliot Hulse. I wanted to be like them; I wanted to be a Pepper, too. So I made one. A used tire can be had for free (I found mine off the side of the road along a local highway), and all you need is a drill, an eyebolt, washer, and a hex nut. You can attach a chain or strap to the eyebolt and off you go. I also added a way to secure plates on top of the tire. The somewhat faddish nature of making tire sleds for home workouts have passed, but the product remains just as effective as ever. I put miles upon miles on mine and it is still going strong. If the tire eventually wears out, I can either flip it and drag it on the new side, or I can simply find another free tire and make another sled. One additional benefit of the tire sled vs. the metal sleds is that your neighbors won't hate you - at least not as much. It is pretty quiet when compared to the metal sleds. Having said all this, I'm giving it four stars rather than five with regard to performance because, due to the nature of its design, it can only pull or drag rather than push.
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