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Seatposts from Harris Cyclery

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, Choices

Seatposts 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.

If you don't see what you want here, we can probably order whatever you desire from Quality Bicycle Products, and get it in a few days.

Click here to search QPBs seatpost choices.

Seatpost Installation

Seatposts 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 Materials

All of the seatposts we feature are aluminum alloy, unless specified otherwise.

We do not recommend plastic (carbon fiber) seatposts, but if you insist on this inferior material, we will be glad to special order them from QBP

"Laprade Type" Seatposts with built in clamp, use 8 mm Allen wrench .
Various Diameters from 25.0 mm up $19.95 buy button laprade type seatpost clamp
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.

Color: Silver

spoke

New! Velo-Orange Setback Seatpost .
Popular 27.2 mm size, 300 mm length, Beautifully finished Silver.   ST062 $47.95 buy button
Classic looking aluminum seatpost with 30.2mm of setback adjustment.

Ideal for Brooks saddles, as their rails have minimal fore-aft adjustment.

Diameter: 27.2mm
Color: Silver
Length: 300mm

Origin8

spoke

New! Origin8 'Classique Sport' High Polished Seatpost .
Popular 27.2 mm size, 300 mm length, High-polished Silver.   ST059 $39.95 buy button
This seatpost is a nice upgrade from the Kalloy Laprade. It has a very nice high-polished finish and the classic thin-wall design makes it lightweight. Features a two-bolt clamp.

A great alternative to the pricey Nitto seatposts.

Diameter: 27.2mm
Color: Silver
Length: 300mm

Origin8

spoke

Traditional "pipe type" seatposts, use with separate saddle clamp.
Size mmSize
Inches
Application
25.41"ST2021 $11.95 buy button 300 mm length, aluminium. Fits older Nottingham Raleighs among others.
Saddle ClampST4200 $4.95 buy button Fits the 7/8" top of seatposts shown above,

for standard two rail saddles. Saddle clamp for pipe type seatposts

Genuine Brooks
Saddle Clamp
ST4202 $20.95 buy button Fits the 7/8" top of seatposts shown above,

for Double-Rail (two rails per side) saddles like Brooks B66. Saddle clamp for pipe type seatposts

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