Attaching a trailer to my ebike.

Are you sure you got a 15mm QR?
Not that it matters and glad it works.
Good question. I took that number from the spec sheet for a 2018 Charger GT but I did not measure it and it did not look much thicker if any than the one on my other bike so I dunno for sure. It fits through and that is the main thing.
 
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