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Thomson Covert Elite Dropper Seatpost


Item # THP000B

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  • Black, 31.6/400/125 ($479.00)
  • Black, 30.9/400/125 ($479.00)
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Item # THP000B

The sleeper dropper.

The irony isn't lost on us that after decades of developing perhaps the most solid seatposts in the industry, Thomson has stepped into an arena where now the seatpost must be deformable at the push of a button. Up for the challenge, of course, Thomson refused to concede any of its well-established seatpost market share to other companies that just shoved a shock into their extant designs, so it made a fantastic dropper post. Now, the Covert Elite Dropper Seatpost takes its proven Elite Dropper and makes it compatible with internally-routed frames.

Keep in mind, too, that this is the same company that gets contracted by NASA to craft parts for aerospace machines, so when it came to develop a relatively complicated (for a seatpost) dropper post, Thomson cut zero corners: custom-made Norglide bearing bushings, custom-made Trelleborg O-rings and seals, and Motul oils join forced with Thomson's proven seatpost clamp to make for a design that is peerless in quality and refinement. The one-piece forged internal post has no moving parts that could fail, and cam actuation means smooth and precise articulation of seat height at the rider's control. Cables are employed, rather than hydraulics, which Thomson says reduces weight and complication while also boosting reliability. The remote lever features short travel and is the smallest available on any dropper post on the market — and speaking of which, Thomson's dropper posts pass all EN strength and fatigue tests, while many of its competitors do not.

The Thomson Covert Elite Dropper Seatpost weighs 592 grams, including remote lever, cable, and housing. The entire post is 400mm long but shrinks/travels 125mm from full extension. It features a 5mm offset, comes only in Black, and is available in 30.9mm and 31.6mm diameters.

  • One-piece forged internal post with a 5mm offset
  • Cable adjustment
  • Remote lever

Tech Specs

[seatpost] aluminum
30.9 mm, 31.6 mm
400 mm
5 mm
125 mm
Claimed Weight:
Black, 30.9/400/125: 478g
Recommended Use:
mountain biking
Manufacturer Warranty:
2 years

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Here's what others have to say...

Unanswered Question

Can the Thomson covert dropper post accept carbon railed saddles?

4 5

Solid Post

  • Familiarity: I've put it through the wringer

I've been happy with the post for more than a year now of heavy use on my Pivot mach 6 with all types of riding from full loops in the bobsled to the lift laps at the PC resorts. Just starting to get some notable front to back play, but I'd expect that from any post after a solid year of use.

5 5

Covert Ops

  • Familiarity: I've put it through the wringer

This seatpost mounts very clean and performs like all Thomson products: Flawless. The lever has a good feel to it and even has a machined out portion that hides the cable and cable end cleanly. Action is smooth and the rate of seat return is not too fast, and not too's just it doesn't punch your treasures.

Covert Ops
5 5

The Ferrari of seatposts

  • Familiarity: I've put it through the wringer

I've put this seatpost through the wringer and it's still performing like new. Thomson always has high quality parts and this seatpost is no different. Truly the Ferrari of seatposts.

Avg. ride time: 16h 8m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.
4 5

drops it like its hot

  • Familiarity: I've put it through the wringer

I'm more of fan of the fancy XX Reverb posts, but tried this one out b/c its a Thompson - works well, lever is easy to reach, and most importantly it doesn't have any side-to-side play. Cable action is light and drag free.