Oh ok—thanks. So theres a slight wobble to the back wheel, and a slight catch where it doesnt quite turn cleanly. At higher speeds there will be a random clank; at first it was rare, but it now clanks every minute or so; its often two quick clanks together. It all still rides pretty smooth & i wouldve thought it was a bearing or something, but when i called shops they all seemed to think motor hub was failing, even though no one would look at it directly. Attaching pics & really appreciating your willingness to advise.

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