These hard rubber wheels measure 3" dia x 1" with a 5/16" ID and a hub that extends exactly one perfect smidgen, making them 1-3/16" wide at the axle. Outside surface is slightly (call it a micro-smidgen) convex.
Would be yellow, no? Yes, but you could put these nifty white plastic wheels on anything you like. You've seen lawnmower wheels? That's what these are like. Measure 6" dia x 1-7/16" thick with hard black rubber treads, a 1/2" axle bore and a 13/16" x 1/4" hub on the opposite side.
If these were full-size, car guys would put them on restored ’57 Bel Airs and low riders. These 6” dia solid rubber wheels are gray with (5) treads on 1-7/8” wide tires. Mounted on a 4” dia aluminum rim with dual 9/16” ID bearings with a loose bushing between them. One side has a nearly 1-3/4” dia hub that protrudes approx 3/16”; the other bearing is recessed by 3/8”.
For your riding comfort, this 9-5/8" dia x 3" wide pneumatic tire has a plastic hub, rubber treads and a 25psi inner tube. Has a 1/2” ID with a 1-1/4” dia x 15/16” axle hub on the inside face and a standard Schrader air valve on the outer. Great for DIY large wagons, or to replace those little hand truck tires.
These nifty little plastic wheels are just over 3” dia x 1” thick with treads like the big tires, (8) gray spokes and a 3/4” dia hub with a 1/4” bore. We didn’t invent them--we just sell ’em cheap. You can roll with that, we’re sure.
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Our web site always contains everything we have available for sale outside our retail stores. Typically, new items are listed on the site before they get published in our catalog...
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In addition to this fabulous on-line catalog of incredible stuff, American Science & Surplus has three great retail locations. If you're in the neighborhood, please stop by! Store hours may vary. Feel free to call for store hours and directions.