Originally Posted by
squirtdad
That is not correct, road bike sizing is by seat tube length a 56 cm bike has a seat tube of 56 cm
Originally Posted by
smd4
Wow. Just…wow.
If you scroll down to geometry specs, you will see Cannondale and Trek don't agree with you:
https://www.cannondale.com/en-us/bik...napse-carbon-4
https://www.trekbikes.com/us/en_US/b...ode=white_grey
Look carefully how long the seat tube is on both of these size 56 bikes. Hint: It's not 56cm.