Originally Posted by
Birota
Thank you. The LBS has a bike fit guy who looked at me and said that his first thought would the 61. He points out that I would have the seat higher on the 58, and therefore be more hunched over/cramped. Currently the 61 has the seat and drop bars even, supposedly giving me a more upright position. And he said I can easily change out the stem if the frame is right.
The fit guy doesn't sound like a fit guy at all. While the bars may be lower on the 58 as it sits, the reach is also likely to be shorter which will negate some of the hunch. Most riders can ride within a size range. I have ridden 58 and 56 perfectly comfortably. Stems can be adjusted up and down, angles changed and lengthened and shortened. Seats can be raised and lowered and moved fore and aft. Nose up and nose down adjustments can be made too. I suspect either can be adjusted to fit you just fine.