TL;DR - my rear wheel worked itself out of the rear dropouts twice with two different wheelsets resulting in a broken CMC joint with a cast for 10~ weeks.
I made a comment roughly 9 months back where at the time after around 2000 km's on my vb068 the rear wheel had worked itself out of the rear dropouts, essentially resulting in some scratches, this happened on a sprint, "I had a rather unfortunate incident on my 068 a few days back, essentially my rear wheel came off from under me, as in I was riding along got out of the saddle and the rear wheel rolled out across the road and my shoulder cushioned the fall.
I had my bike serviced a few days beforehand, I'm guessing the junior mechanic didn't properly secure the wheel somehow.
Fortunately my shoulder took most of the damage however the rear dropouts i'm most concerned about now, I've attached some photos:
https://imgur.com/a/bg0dEvPIs the dropouts meant to look like that, as in that shallow? The derailleur hangar seems to match up with the depth of the dropout.
If someone could confirm that it looks the same as theirs it would clear up my concerns that it is a user error not due to poor design."
Roughly a month later the same thing happened with a different wheelset, this time I wasn't so lucky and ended up breaking my CMC joint.
There's an inherent issue with the frame I have, my theory is that the dropouts are incredibly flexy where when power is put out it flexes causing the wheel to come loose.
Happy for others to look at the image I showed earlier (
https://imgur.com/a/bg0dEvP) and provide their opinion.
I've since made a full recovery and currently riding a secondhand sl6 frame I've picked up on the cheap.
Thanks
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