I'm 5'-10" to 5'-11", inner leg length i would say is normal. I've always run size 54 bikes (cervelo, giant, scott), so I'm expecting this to fit similarly. You can use BikeInsights.com to compare frame geometry's. I compared my now old Cervelo R3 to the SL8 (TTX68 is exact same geometry), and found 6mm more reach and 11mm lower stack.
Thanks, same length here (but in the normal metric system
) Also on 54 on different brands (or S in case of canyon).
I'm also eyeballing a different crank/powermeter. Not sure if everything fits on this frame. Which combi Xcadey/Lexon are you considering als an future update?