Yeah, I had a Contour Roam. I can't remember if it had loop recording, I thought not and I had to plug it in to a PC every 2 or 3 days to erase the card.
BTW y'all learn from my mistake; even if you have loop recording, format the card occasionally, like maybe once a week. I had a cam that had loop recording and it appeared to work but at one point I hadn't looked at the card for weeks and it turned out that the card had gotten corrupted or something and it hadn't actually recorded anything for about 3 weeks.
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Work: the 8 hours that separates bike rides.