Originally Posted by
bbbean
The geometry isn't similar.
Cannondale Synapse (first) vs Supersix (second) for a 61/62cm frame...
Reach: 40.2/40.6
Top tube: 60.4/61.1
Stack: 64.0/63.4
Wheelbase (both): 102.8
Head tube angle (both): 73°
Stand over: 86.8/87.0
Trail (both): 5.8
Fork rake (both): 4.5
Chain stay: 41/40.8