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