Ordinarily, if the top tube length increases, so does the seat tube. This is more of a rule of thumb rather than some law. (It does make sense though, doesn't it?)
On the other hand, if it is a compact frame (like Smallyfurry mentioned) this is probably not the case.
Ordinarily, if the top tube length increases, so does the seat tube. This is more of a rule of thumb rather than some law. (It does make sense though, doesn't it?)
On the other hand, if it is a compact frame (like Smallyfurry mentioned) this is probably not the case.