Aluminum 27.0 mm Bicycle Seatposts
The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.
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Showing 11 products:
Thomson Elite Seatpost Black 27.0 mm x 330 mm
4.5 of 5
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4.5 of 5 stars average
( 4 reviews )
BuyPART NUM 541131
Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more
4.5 of 5
( 4 )
4.5 of 5 stars average
( 4 reviews )
In Store
Ships Freeyour price $114.95 + ships free
BuyPART NUM 541131 
Sunlite Alloy Pillar Seatpost, 27, 350mm, Black, No Clamp
BuyPART NUM 484552
Forged alloy construction Pillar style design Outer Diameter: 27.0mm Length: 350mm Color: Black Material: Alloy … read more
your price $15.99
BuyPART NUM 484552 
Sunlite Alloy Seatpost, 27, 350mm, Silver
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 531170
Forged alloy construction Integrated index adjust seat clamp Weight: 325g Outer Diameter: 27.0mm Length: 350mm Color: … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $19.99
BuyPART NUM 531170 
Thomson Elite Seatpost Black 27.0 mm x 410 mm
4.5 of 5
( 4 )
4.5 of 5 stars average
( 4 reviews )
BuyPART NUM 467218
Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more
4.5 of 5
( 4 )
4.5 of 5 stars average
( 4 reviews )
your price $114.95 + ships free
BuyPART NUM 467218 
Sunlite Alloy Seatpost, 27, 350mm, Black
3 of 5
( 1 )
3 of 5 stars
( 1 review )
BuyPART NUM 736148
Forged alloy construction Integrated index adjust seat clamp Weight: 325g Outer Diameter: 27.0mm Length: 350mm Color: … read more
3 of 5
( 1 )
3 of 5 stars
( 1 review )
your price $19.99
BuyPART NUM 736148 
Kalloy SP-265 UNO Seatpost, 27 x 350mm, Sandblast Black BuyPART NUM 475125
Heat treated 6061 sandblast aluminum (matte finish) 2D forged 1-bolt head 30mm rail clamping area 270g Item Specifications … read more
your price $19.99
BuyPART NUM 475125 
EVO E-Force AL Seatpost, 20mm, 27 x 400mm, Black BuyPART NUM 186411
Alloy construction Length: 400 mm 20mm offset Easy single bolt seat angle adjustment Item Specifications Offset: 20mm … read more
your price $21.99
BuyPART NUM 186411 
Kalloy Uno Straight Seatpost 27 x 350mm Silver BuyPART NUM 916976
The Kalloy Uno Seatpost is made out of one-piece forged 6061 aluminum, internally ovalized. One-piece forged 6061 aluminum, internally ovalized … read more
your price $14.99
BuyPART NUM 916976 
Sunlite Alloy Pillar Seatpost, 27, 350mm, Silver, No Clamp BuyPART NUM 601978
Forged alloy construction Pillar style design Outer Diameter: 27.0mm Length: 350mm Color: Silver Material: Alloy … read more
your price $13.99
BuyPART NUM 601978 
EVO E-Force Zero Seatpost, Black, 27 x 400mm 
Info
CNC 6061 aluminum construction No Offset 400mm length Precise seat angle adjustment with 2 Cr-Mo bolts Item Specifications … read more
your price $33.99
Info 
Kalloy SP-267 UNO Seatpost, 27.0 X 350mm - Black Info
Heat treated 2014 anodized aluminum with adjustable 1-bolt head 30mm rail clamping area. 270g (27.2mm) Item Specifications diameter: … read more
your price $13.99
Info 
Thomson is leading with innovative design for two primary markets - aerospace and cycling.
"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"
We define color as the main color of the item. It may have accents or highlights in other colors.
Weight
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
These models are available for online purchasing and can be shipped directly to you.
The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.
Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.
Offset is often referred to as setback. This is the distance in mm that the clamp is offset from the center of the seatpost.
Seatpost Material
Rigid seatposts are the most common type of seatpost with no suspension or dropping capability.
Seatpost Clamp Style
On a dropper post, this is the distance that the post will drop.
Weight
Buy this product and your entire order ships for free.
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