Park Tool PCS-10 Workstand Stop Unwanted Rotation

Finally got around to fixing a problem with my Park Tool workstand that has been annoying me for ages. The top kept rotating when I was working on the bike. I can’t imagine that this issue is isolated to me, as it is clearly due to the lack of friction between the top clamp and pole, so here is my solution.

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Andrew Van TilJimmy Recent comment authors
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I had the same issue..I solved it by taking one of the bolts out of the clamp for the head and putting a bigger bolt and nut with washers from a hardware store..10mm sockets I used I think..this allowed me to get the clamp to squeeze better on the tube so the head unit would not rotate..but now on the PCS-10 the middle clamp that adjust the height is rotating..I think I will try your tip on the middle clamp..thanks..