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Profile Design’s DRV and DRV Sizer Bar

Profile Design’s DRV and DRV Sizer Bar
I’m going to explain, by photo, schematic drawing, and video what Profile Design (PD) is doing for road cyclists and for bike fitters. This is a fully-formed system, just like PD does for triathlon (which I’ll be writing about again soon in a number of articles). Read more
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