Repairing a cracked, damaged or worn wheel

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The wheels wear out and are no longer usable after 1-2mm are worn off the sides.

Light wear and cracks

A quick fix might be to spray paint a worn wheel with a polyurethane coating. I have no idea if this would work:

I could be wrong, but paint is general 0.1 to 0.2 mm thick. This would require many coats to achieve 1mm.

Heavy wear and notches

It is possile to use M-1 sealant from to fill gaps, cracks, and flat spots.


Polyurethan sheet
It appears to be possible to purchase a .145" X 12" X 12" URETHANE/POLYURETHANE SHEET 75D and cutting it into a disk, approximate 4.5" in diameter and 1/2" wide to match the sidewalls of the tire. Then polish down the wheel the the appropriate width and glue on the disk. It would not be necessary to bend the polyurethane sheet because the sidewalls are flat.

Poly Tech Innovations sells an adhesive for bonding the two urethane together, 1/2 pint kit is 20.95.

Paul Oliver
Poly Tech Innovations
35283 340th Street
Lake City, MN 55041