A Potted Plant
Honorary Sod
You have to consider the angle of the seat tube and head tube. Top tube is a part of it
Not sure its about the miles but time on the saddle IMO. We regularly do 3-4hr rides.... just that we are not on the saddle for that long and half the time is yapping lol
I get off my bike every time we stop To keep me fresh being on a bike isn't my natural position