Review on ⛔️ Marathon Flat Free Lawnmower Tire: 11x4.00-5", 5" Hub, 1/2" Bearings - No More Flat Tires! by Matt Welch

These tires fit my Gravely ZT 42 zero turn mower (front tire). They are made out of some kind of very hard foam. They are rigid and WILL NOT BREAK because there is no air in them. Since they don't hold air, they're a bit tight if you're rolling over something hard like a tree root or the like, but it's worth never worrying about a flat tire. I wish they did that for the rear tires!