I think I'm between sizes, 49 and 52. I ended up ordereing the 49. I was just wondering if anyone has a 49 and if so, what size road bike do you ride? How tall are you? I know there is a lot more to fit than that, just trying to get a good feeling that I ordered the right size....

I have a Redline 49. It's the same as the 50, only a more sloping TT. I'm 5'7" and my MTB is a 16.5.

Measure your TT length to get a better idea about fit than the manufacturer's ST length description.