You don't say what model Gitane. If it is high end, built with metric gauge 531 DB like most high end French bikes of that era, it should be 26.2, 26.4 or 26.6. All three sizes were commonly seen. So if you think it is Reynolds DB and 26.4 is too large, try 26.2.
Jerry Moos Big Spring, TX
Derek Willburn <firstname.lastname@example.org> wrote:
I'm working on an early 70s Gitane and it has a bit of damage around the seat lug, I would like to know what size seatpost these should have. My 25.8 is too loose and my 26.4 won't go in. Thanks, Derek Willburn Long Beach, CA USA