Originally Posted by
cny-bikeman
450 mm is a common length for long seat posts. Using that length and the diameter in a search wiill yield plenty of options. If you are still determined to get a new one for this bike I'd go for that length, but mount the seat as far forward as you can.
Thanks.
But why forward? If the bike's small, shouldn't the seat be more backward to give additional length?
Very interesting.