Hot answers tagged road-bike
My own personal experience is that small changes can make a big difference, but you should be able to get the bars 1.2 cm higher a lot cheaper than a new frame. I've found that the most critical measurement in a frame is the Effective Top Tube. If that is "right" for you then with enough bodging you can get the handlebars in the right place. For a road ...
Pick the bike that works best for you - test ride, ask questions, ask other people how the post purchase stuff works. If you don't get a test ride, don't buy. Just because they all run Tiagra in the back or whatever doesn't mean they're all equally good for you - there are different geometries and what not, so you need to be fitted and know how they work ...
The answer is trigonometry. Most bikes have a headset angle of about 74°, give or take a degree. Over the adjustment range you're looking at that degree doesn't make a difference. Here, tan(74 degrees) = height change / reach change = ~3.5. So to get a centimetre of reach change to need to lift the stem 3.5cm, putting the stem up reducing the reach. Or you ...
You can easily add up the $$$. But whatever you spend, what will it cost you when you need help? Buy from the guy who gives the best service: that's long term value. You can only judge by how they are behaving now, unless you hear for one of their customers. So if you are happy with one of them, go there.
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