Originally Posted by
shoota
To fit 43s with short chainstays, that is the kicker.
To be honest I don't see this as an extraordinary achievement. Look at Specialized Diverge which has 421 mm chainstay and clears 42s tires without any chainstay trickery at all. Fitting 46s tires with 420mm chainstay of Open Wi.De. is an achievement. No question about it!