Originally Posted by
Quiglesnbits
The CAADX looks like they've done everything possible to have the top tube be as horizontal as possible, the Salsa has not tried to do that. That's where the standover difference comes from. The stack difference looks like it's due to the head tube just being higher up. It looks like it's a good bit more relaxed in terms of fit, would you say that's the case?
CAADX is also a cyclocross bike, which will have a higher bottom bracket than the Salsa, further reducing the standover. The bottom bracket height can dramatically change the handling as well. I'll wager that some of the difference is simple the bottom bracket making the CAADX more twitchy.