kwalters wrote:
Theoretical question: A frame builder makes frames
in even sizes; you are interested in a 60cm or a 62cm.
After studying the respective geometries and comparing
them with what you have ridden in the past, you decide
a 61cm would be best. However, builder doesn't offer a
61 and you can't afford a custom build (don't even want
to discuss it). Would you go a size up or a size down?

(And, to the pundits who would say: "Ride them both" you
have to say" "Impossible to do in this town".)

So, who would go with 62cm & who with 60? & why?

Thanks. Ken

SAME seat tube angle or different?? Differences in top tube length??

Sizing that measures ONLY seat tube length is only about 10%(or less)
of the equation.