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Vintage road bike seatpost diameter.
A database of seatpost sizes for various bicycles.
Columbus built steel seat tubes in diameters 26 8 27 0 27 2 etc.
These are more commonly seen on mountain bikes where the longer seatposts can use the extra strength.
Shimano deore xt early black seatpost 27 2mm.
The size 27 2mm is the most popular seatpost diameter for classic bikes.
Common diameters arey 30 9mm and 31 6mm.
The older your vintage bike the more difficult it may be to find the right seat post for it.
While there are any number of post diameters out there most modern road and mtb bike frames accept a seatpost of either 27 2mm in diameter standard 30 9 or 31 6mm oversize.
Our bike size calculator will help you to determine the correct frame size.
Nos campagnolo olympus seatpost 28 6mm 90s vintage mountain bike bicycle new.
It is very important that the bike fits your body in order to optimize comfort and performance.
Using a carbon fiber seatpost in a metal frame or vice versa invites problems.
There were different standards for different steel tubes.
Nos campagnolo olympus seatpost 28 6mm 90s vintage mountain bike bicycle new.
Metal should be greased but carbon fiber should not be.
Diameter is not the only factor affecting compatibility.
When it comes to buying a bicycle and especially a classic road bike it is very important to make sure that you choose a bicycle in the right size.
The frame size is.
Gravel bike women bikes road bike touring men 27 in vintage bicycles titanium seatposts for road racing bikes.
Nos nib selcof titanium seatpost seat 25 4mm vintage 90s road racing bike mtb.