In fact, he even supplies cad drawing of geometry on the website. top tube angle is nearly 7deg. If that angle was smaller, could easily make that 50 into a 56cm, and the contact points of the bike would stay in the same place.
@Hovis started
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In fact, he even supplies cad drawing of geometry on the website. top tube angle is nearly 7deg. If that angle was smaller, could easily make that 50 into a 56cm, and the contact points of the bike would stay in the same place.