it just seems like they address a problem already solved by spacers, but maybe I'm missing something.
well no and no.. They're used cause a slammed -17º stem is a lot more aero (apparently). And I think these look a lot better than a 25mm stack of spacers..
Stiffer also or so I've heard.
@Jaap started
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it just seems like they address a problem already solved by spacers, but maybe I'm missing something.