Originally Posted by HillRider
jsong, your 58 cm Starnord that came with the 150 mm seatpost was intended for a rider about 5'9" (1.75 M) or a bit shorter. If you need a 790 mm (31.1") seat height, you would have bought a 60 or 61 cm frame in those days. Also, 25.0 mm seatposts are available.
Problem with this is that I'm already stretched to ride on the brakehoods, and it has a small (~100mm) stem. I think I have a fairly normal body type: 6', 34.5" inseam. Just shows what riding style may have been common in the past.