Just some nums:
I ride the 56 CR1 SL. 5'10" with an inseam of around 30". Hate to say it but, it's too big. Head tube is longer than many others and tends to stand you up. Just something to be aware of when sizing. I'd love to try the Addict as the geometry looks like it would lay you out more and put you in a more aero position as compared to the CR1.
I'm down to the smallest spacer I can find (2.5 maybe)? And my knee bend is pushing it at 33 degrees or so. Anywho the above issue was an oversight by me, and I really love riding the bike. Have had no mechanical issues with maybe 750 hours on the frame.
New to the forum. Hope this helps.