I would talk to @Hulsroy for a bike of your size. Instead of 700c > 650b it should be 650b > 26" IMO.
Those Twin Six' take 26" too. I'm not sure if you're mentioning my size in a 'you should get a custom bike because you're small' but my flexibility stuff is fixed now so I'm good for bikes roughly reasonable for my size.
@amey started
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I would talk to @Hulsroy for a bike of your size. Instead of 700c > 650b it should be 650b > 26" IMO.