Cranks not turning

bikeperson45
bikeperson45 Posts: 415
edited January 2011 in MTB workshop & tech
Howdy, I was riding today and when pedalling the cranksgot very stiff and eventually became stuck in one position. After struggling to free them by pushing them backwards they would move again, but when I pedalled forwards it got to the same place then stopped again.

What's the cause and solution to this?

Thanks
Me like trials biking me do

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