Thomson Dropper Seatpost External

Thomson External dropper posts supply the perfect solution for a non-internally routed frames – whether MTB, Gravel or a fun retro build, it's got you covered.

125mm travel, 27.2 diameter, remote actuator and cable kit included. Thomson's cartridge based system and new remote shifter, offer ease of use.

Pair with the Thomson seat post clamp, X4 stem and bars for the complete matching cockpit!

The Thomson External Dropper includes a new shifter oriented remote lever for easy operation. The cartridge-based system is designed to have the longest service life in the industry. If repair is needed, it’s fast, affordable and simple. Every part that makes up the External dropper is carefully chosen and of the highest grade quality available.