I've seen it, but only where the bb has been so neglected that the bearing has seized and the crank spindle starts to spin within the bearing.
Same; this happened to my partner’s old bike that hadn’t been looked at for years. BB and cranks trashed.
@ectoplasmosis started
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I've seen it, but only where the bb has been so neglected that the bearing has seized and the crank spindle starts to spin within the bearing.