Originally Posted by
terrymorse
I'm not so sure about that. Long arms suggests a short torso, so a shorter top tube length would be more comfortable.
Long arms do tend to like a larger bar drop, though, which is also easier to accommodate on a smaller frame.
I read on a sizing chart somewhere - I believe it was canyon? Can't remember. But they said if you are between sizes, and your arm span is longer than your height, go a size up.
I am 190cm, with an 88cm inseam, and very long arms. I like to ride with a bar drop on all my bikes these days. I tend to opt for longer than stock stems on my XL bikes.
So you are right, that generally speaking long armed people probably have relatively short torsos. But i still have a preference for long top tubes and stems. For reference, my E bike which came stock with a 105mm stem, has been fitted with a 150mm stem last night. I'm using swept back bars on it -