Hey guys,
I ordered a women's version of supersix last week and just found out that the seatpost dimension is listed as 31.8mm. Is it okay to use a 31.6mm seatpost? If not, is there any manufacturer that makes 31.8mm seatposts?
Thanks a lot!
Supersix W 31.8mm seatpost?
Moderator: robbosmans
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31.6 should fit perfectly. I've been using an FSA 31.6 K-Force seatpost for my supersix last year with no issues.
If I'm not mistaken, 31.8 is the diameter of frame. 31.6 is the needed diameter of the seatpost.
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They are not interchangeable. It is a typo, supersixes are 31.6mm. Some seatpost clamps, front derailleur clamps, and of course handlebar diameters are 31.8mm, which is 1.25". The only bike I ever heard of actually taking a 31.8mm POST is an old Boulder Bicycles full suspension mountain bike, either the Gazelle or Defiant.