South Salem Cycleworks: Salem, Oregon
(503) 480-2001
email: sscycleworks@comcast.net
We have a huge stock of vintage and modern parts. Contact us!

U.S.E. Alien Seat Posts

U.S.E. seatposts on this page: Alien 27.2mm carbon | Alien 27.2mm Blue | Suspension Shokpost 26.8mm | Suspension post rebuild kit

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U.S.E Alien 27.2mm x 250mm carbon seat post. New, $180.00

Part# 44210

We have this post with Two Bolts | One Bolt new | One bolt lightly used

152 grams!

We also have a lightly used Alien carbon post for $150.00 that has not yet been photographed. If you are interested, please let us know.

U.S.E Alien 27.2mm x 250mm carbon seat post with two bolts. New, $180.00

Alien seat post

At 152 grams, this is one lightweight seatpost.

USE carbn seat post

Front view

Back view

The side of the post

USE Alien seat post

And the back of the post

USE carbon seat post

Here is the two-bolt post in its original packaging.

U.S.E Alien 27.2mm x 250mm carbon seat post with one bolt. New, $180.00

Back of post

Here's a look at the back of the post.

USE Alein seat post

Another look at the front of the post

Alien seat post

The side of the one-bolt post

USE Alien seat post

Here's a close-up of the saddle clamp.

Seat post clamp

Another view of the saddle clamp

U.S.E Alien 27.2mm x 250mm carbon seat post with one bolt. Lightly used, $150.00

Part# 44210-LU-02

USEAlien seat post

Side view

USE Seat Post

From the front

USE Alien carbon seat post

Side view of the saddle clamp

USE Alien carbon seat post

The back of the saddle clamp

USE carbon fiber seat post

Close-up of the front of the saddle clamp

USE ALien seat post

The top of the saddle clamp parts

USE Alien carbon seat post

A close-up look at the shaft's carbon-fiber weave.

USE Alien seat post directions

Here are the directions, which should be taken seriously, since the post is carbon fiber.

Alien seat post directions

Here is the first set of fitting instructions for the one-bolt post

Fittin instructions

And the rest of the fitting instructions


USE Alien 27.2mm blue seat post. Lightly used, $75.00/each

USE Alien seat post

Here's the whole post.

Alien Blue seat post

Front of the saddle clamp.

Alien blue seat post

Back of the saddle clamp.

USE seat post

Side view

Alien seat post

From the other side.

USE Alien seat post

It is used, so there are some scratches.


USE Suspension Shokpost 26.8mm X 350mm. New, $150.00

Part# 41200

USE Suspension seat post

The post's underside

USE Suspension seat post

Close-up of the seat clamp and suspension

USE suspensionseat post

The other side of the saddle clamp and suspension


USE suspension seat post rebuild kit. New, $20.00/each

Part# 41201

Service kit is compatible with all USE suspension seatposts, and comprises of:

  • 2 x replacement bearings
  • 2 x keys
  • 2 x shim to fit keys of older posts
  • 1 x o-ring
  • 1 x washer
  • 1 x teflon grease

Seat post rebuild kit

New, in its factory packaging.

USE seatpost rebuild kit

The back of the package

USE seatpost rebuild kit

Here's what's in the kit.

USE seatpost rebuild kit

Here are the directions.