About Sizing:Seatposts come in .2 mm size increments, and it is important to get the correct size. Your present seatpost probably has the size marked on it, down near the bottom. If you don't know the exact size, most bike shops have special stepped "sizing rods" that make it easy to determine the correct size.
This site features a page with a Seatpost Size Database . The Database is provided as a courtesy, but we cannot guarantee the accuracy of the information in it. If you buy a seatpost and it turns out to be the wrong size, you may return it for credit if it is absolutely unmarked. Transportation costs are your responsibility.
Choices, ChoicesSeatposts come in skillions of different sizes, and models. We try to keep most of the popular sizes in stock in models that we consider to be a good value.
Seatpost InstallationSeatposts should never be inserted dry, only with grease. Some frames have irregularities inside the seat tube that can easily scratch a seatpost if you are not very carefu. Such frames can usually be cleaned up with a file, flex hone or adjustable reamer. Scratched seatposts will not be accepted for return.
Seatpost MaterialsAll of the seatposts we feature are aluminum alloy, unless specified otherwise.
|"Laprade Type" Seatposts with built in clamp, use 8 mm Allen wrench .|
|Various Diameters from 25.0 mm up $19.95|
|Kalloy (or similar Laprade type)
These are basic, good quality seatposts with a "Laprade type" one bolt clamp. We usually have these in the 350 mm length in a wide range of sizes. This is as good a seatpost as most people need. Sometimes we get these from different suppliers with different brand names. |
|Velo-Orange Setback Seatpost|
|Popular 27.2 mm size, 300 mm length, Beautifully finished Silver. ST062 |
Click Cart button for price
Classic looking aluminum seatpost with 30.2mm of setback adjustment.
|Traditional "pipe type" seatposts, use with separate saddle clamp.|
|25.4||1"||ST2021||300 mm length, aluminium. Fits older Nottingham Raleighs among others.|
|Saddle Clamp||ST4200||Fits the 7/8" top of seatposts shown above,|
|ST4202 Click Cart button for price||Fits the 7/8" top of seatposts shown above,|
|Articles by Sheldon Brown and others|
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