Nov 30, 2012 #1 C cinilak New member Joined Mar 14, 2009 Messages 2 Reaction score 0 Points 1 I can't tell if it's 26 or 26.2mm. I got this bike without a seatpost and the clamp is a bit bent so can't take a correct measurement.
I can't tell if it's 26 or 26.2mm. I got this bike without a seatpost and the clamp is a bit bent so can't take a correct measurement.
Jan 16, 2013 #2 B bikeworks Member Joined Aug 26, 2008 Messages 50 Reaction score 0 Points 6 Measure the outside, then subtract twice the thickness of the wall of the tube. After that, subtract 0.5mm and you have your answer. If you can't do that take the bike to a shop which SHOULD have a dedicated tool for that.
Measure the outside, then subtract twice the thickness of the wall of the tube. After that, subtract 0.5mm and you have your answer. If you can't do that take the bike to a shop which SHOULD have a dedicated tool for that.