this could become an interesting physics thread....(or one where we end up name-calling each other...)

If the wheel doesn't skid it it experiences sideway force up to the static friction force available. If the wheel skids, it experiences force up to the sliding friction, which is always much less than static friction. that is why once you skid, you don't stop skidding before you release the brakes or run out of speed. also why ABS in cars helps since with skidding tires brake path is longer.

Unless you skidded against something (a curb etc.) i'd say the wheel wasn't properly tensioned / trued. Or you skidded sidewyas and the wheel got a rougher (more friction) spot and stopped skidding and the momentum bent the wheel.

Best way to answer that question is repeat the process and set up slow-motion cameras all around so we can evaluate