Supports Up to 300 lbs: This 9x3.50-4 tire and wheel set includes interchangeable 3/4" and 5/8" bearings, allowing it to fit various axle sizes with ease. Tire Width: 3.5". Flat-Free, Worry-Free: These solid 9x3.50-4 tires are puncture-proof and maintenance-free—no inflation needed.
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