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Thomson 400+ mm Bicycle Seatposts

About Thomson - Thomson is leading with innovative design for two primary markets - aerospace and cycling.

Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.

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Showing 21 products:

Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mm
Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

your price $114.95 + ships free

BuyBuyPART NUM 786360
Thomson Elite Covert Dropper Seatpost: 30.9 x 400mm 125mm Travel
Thomson Elite Covert Dropper Seatpost: 30.9 x 400mm 125mm TravelThomson

Item Specifications Length: 400 Diameter: 30.9 Travel: 125 Clamp Style: Std Rails … read more

$150 offretail $479.95 your price $329.95 + ships free

BuyBuyPART NUM 213345
Thomson Elite Set Back Seatposts - Black - 27.2 x 410 mm
Thomson Elite Set Back Seatposts - Black - 27.2 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined … read more

your price $114.95 + ships free

BuyBuyPART NUM 404104
Thomson Covert Dropper Seatpost, 150mm, 31.6 x 450mm, Black
Thomson Covert Dropper Seatpost, 150mm, 31.6 x 450mm, BlackThomson

Applying four decades of expertise, Thomson has set the bar with the Covert dropper Custom made Norglide bearing bushings and Trelleborg … read more

your price $479.95 + ships free

BuyBuyPART NUM 646771
Thomson Elite Seatpost Black 27.2 mm x 410 mm
Thomson Elite Seatpost Black 27.2 mm x 410 mmThomson

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

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 752601
Thomson Elite Seatpost Black 30.9 mm x 410 mm
Thomson Elite Seatpost Black 30.9 mm x 410 mmThomson

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

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 972863
Thomson Elite Set Back Seatposts - Black - 30.9 x 410 mm
Thomson Elite Set Back Seatposts - Black - 30.9 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

your price $114.95 + ships free

BuyBuyPART NUM 112698
Thomson Elite Seatpost Silver - 27.2 mm x 410 mm
Thomson Elite Seatpost Silver - 27.2 mm x 410 mmThomson

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

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 551459
Thomson Elite Set Back Seatposts - Silver
Thomson Elite Set Back Seatposts - SilverThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

your price $114.95 + ships free

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Thomson Masterpiece Titanium Seatpost - 27.2 x 410mm, Silver
Thomson Masterpiece Titanium Seatpost - 27.2 x 410mm, SilverThomson

The Masterpiece design now in titanium it combines the strength and durability of the Elite post in a lighter package. Made in the USA it features a Titanium … read more

your price $299.95

BuyBuyPART NUM 670497
Thomson Elite Seatpost Black 31.6 mm x 410 mm
Thomson Elite Seatpost Black 31.6 mm x 410 mmThomson

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

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 113940
Thomson Elite Seatpost Black 27.0 mm x 410 mm
Thomson Elite Seatpost Black 27.0 mm x 410 mmThomson

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

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 467218
Thomson Elite Seatpost Silver - 31.6 mm x 410 mm
Thomson Elite Seatpost Silver - 31.6 mm x 410 mmThomson

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

StarStarStarStarStar 4.5 of 5 ( 4 ) 4.5 of 5 stars average ( 4 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 833755
Thomson Covert Elite Dropper Remote Post (150mm)
Thomson Covert Elite Dropper Remote Post (150mm)Thomson

Covert model is designed for frames with internal routing options for a cleaner look A true Thomson product. Quality and dependability are … read more

your price $299.00 + ships free

BuyBuyPART NUM 883266
Thomson Covert Elite Dropper Remote Post (125)
Thomson Covert Elite Dropper Remote Post (125)Thomson

Covert model is designed for frames with internal routing options for a cleaner look A true Thomson product. Quality and dependability are … read more

your price $299.00 + ships free

BuyBuyPART NUM 931098
Thomson Covert Dropper Seatpost, 27.7 x 400mm, Black
Thomson Covert Dropper Seatpost, 27.7 x 400mm, BlackThomson

Applying four decades of expertise, Thomson has set the bar with the Covert dropper Custom made Norglide bearing bushings and Trelleborg … read more

your price $479.95 + ships free

BuyBuyPART NUM 531841
Thomson Elite Seatpost, 27.4 X 410mm - Black
Thomson Elite Seatpost, 27.4 X 410mm - BlackThomson

Claimed 40% stronger on ultimate strength test than the strongest production seatposts on the market Post and cradle machined from 1-piece … read more

your price $121.95 + ships free

BuyBuyPART NUM 700806
Thomson Covert Dropper Seatpost, 150mm, 30.9 x 450mm, Black
Thomson Covert Dropper Seatpost, 150mm, 30.9 x 450mm, BlackThomson

Applying four decades of expertise, Thomson has set the bar with the Covert dropper Custom made Norglide bearing bushings and Trelleborg … read more

your price $479.95 + ships free

BuyBuyPART NUM 352587
Thomson Covert Dropper Seatpost, 125mm, 31.6 x 400mm, Black
Thomson Covert Dropper Seatpost, 125mm, 31.6 x 400mm, BlackThomson

Applying four decades of expertise, Thomson has set the bar with the Covert dropper Custom made Norglide bearing bushings and Trelleborg … read more

your price $479.95 + ships free

BuyBuyPART NUM 957408
Thomson Covert Dropper Seatpost, 125mm, 30.9 x 400mm, Black
Thomson Covert Dropper Seatpost, 125mm, 30.9 x 400mm, BlackThomson

Applying four decades of expertise, Thomson has set the bar with the Covert dropper Custom made Norglide bearing bushings and Trelleborg … read more

your price $479.95 + ships free

BuyBuyPART NUM 466227
Thomson

Thomson is leading with innovative design for two primary markets - aerospace and cycling.

See all Thomson

We define color as the main color of the item. It may have accents or highlights in other colors.

Weight

These products are one of our best sellers.

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

Clearance items can save you big.

On a dropper post, this is the distance that the post will drop.

Dropper posts have the ability to change heights. This has become a choice for mountain bike riders that prefer multiple riding positions.

Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.

Weight

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.