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@Super_653
Yeah I know all that, I am saying the previous owner did not. Pretty sure that raised ridge in the frame itself, where the collar fits, is due to over-tightening, resulting in pinched together carbon. The frame was not designed with a raised ridge there. See attached image and Instagram link below too, of a bike from the same team. 2 seat collars and dented seat post. Will probably just return it all. CBA with something with issues.
https://www.instagram.com/p/BS1mMKpFYcA/
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