The SELCOF WATCHTOWER cable actuated stealth dropper post allows you to get your saddle to optimal height without having to stop to alter it, via its handlebar mounted lever.

Stealth Routing for a clean look
Trigger Style Lever
Easy installation

Perfect for riding technical off-road terrain, giving you space for maximum manouverability on the bike and better pedalling efficiency.

A dropper post is an essential mountain bike accessory and with the SELCOF WATCHTOWER cable actuated dropper post you’ll be attacking every climb with ease and conquering every descent confidently.

Smooth, fast and reliable cable actuation never skips a beat and makes installation a breeze with no special tools being required to fit and no fiddly hydraulic hose bleeding needed. Sealed cartridge internals provide excellent all-weather performance and a smooth seatpost movement, getting your saddle into the optimum riding position with ease.

The Trigger lever fits discreetly under your handlebars and has an ergonomic thumb paddle for a great performance and accessibility.

Available in 150mm and 125mm travel length, in both 30.9mm and 31.6mm diameter with a 3mm setback. Approx. Cable Housing Length – 2010mm

Which Size Dropper Seatpost do i need?

We advise when buying one of our bikes in size Small or X-Small, to purchase a 125mm travel length dropper post.

On-One Bootzipper -31.6mm
On-One Rocky Road - 30.9mm
On-One Whippet - 31.6mm
Titus El Viajero - 30.9mm
On-One Huntsman (inc Medium) - 31.6mm
Titus Silk Road - 30.9mm

On all our other bikes both a 125mm travel and a 150mm Travel Watchtower Dropper seatpost will fit.

To find out which dropper post fits any other bike please use the below Table

Travel	125mm	150mm
Seat Collar to Center of Rails	180mm	210mm
Total Length	396mm	457mm
Min. Insertion Length	100mm	100mm
Max. Insertion Length (inc actuator)	210mm	246mm

Country/Region

Country/Region

Seat Posts

Selcof Zeta 6061 Alloy Seatpost

Selcof Twelfty Alloy Inline Seatpost

Selcof Zeta V2 6061 Alloy Seatpost

Selcof Watchtower Dropper Post

Jobsworth Alloy Seatpost Shim

Planet X EC-130E Carbon Aero Seatpost

TranzX YSP23 Dropper Post

Replacement Bolt For N2A Seatpost

Deda Zero Seatpost 27.2 BoB

Ritchey Comp Trail Inline Seatpost 400MM