Tread width:3.45",Load capacity:300lbs(note:suitable for dynamic loads but not for static loads.Not for highway use). These are two delicate and durable wheels. It will not leave black marks on the ground, high density polyurethane material makes TIRE more durable, can be loaded with more goods, a single wheel load of 300ibs (136kg); Polyurethane made tires are elastic, impact resistant and noise proof.
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