Originally Posted by scale

Any early 70s The Finest owners out there .....what is your seat post size? Mine has a 26.4 in it but it is tight around the clamp area and im thinking the seatube clamp area where it inserts into the frame has been deformed a bit. I know some of the later ones....were 26.8.
This is specifically a low number K6 serial numbered frameset. Any K6 owners do me a favor and measure your seat post size or check it for me i would appreciate it.