Hmm...
You should be on a 54 or MAYBE 52.
Originally Posted by
generalkdi
I have long legs and am 5'7" tall too. My supersix is a size 52 and it's perfect. I'm pretty sure that you can ride the synapse with a good fit. a smaller frame is easier to fit than larger, You'll probably need a little longer stem and that's it.
Longer stem and quite a bit of seatpost.