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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 fits ergonomically under your bars for easy access and protection
  • Easy installation due to its super reliable cable actuation, no special tools required
  • Reliable sealed cartridge internals will keep the seat post performing no matter what the elements throw at it.
  • Full Description
From £139.99



125mm / 30.9mm
In stock £139.99
150mm / 30.9mm
4 in stock £139.99
125mm / 31.6mm
In stock £139.99
150mm / 31.6mm
9 in stock £139.99
Selcof dropper post

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 youll 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 if you are buying a Small or X-Small bikes in the following bikes 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
  • Titus Silk Road - 30.9mm
Selcof Dropper Seatpost Sizing Guide
BSeat Collar to Center of Rails180mm210mm
CTotal Length396mm457mm
DMin. Insertion Length100mm100mm
EMax. Insertion Length (inc actuator)210mm246mm
*30.9 Weight 565g665g

On all our other bikes both a 125mm travel and a 150mm Travel Watchtower Dropperseatpost will fit. To find out which dropper post fits any other bike please use the below Table

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Additional Information

Product Code:SPSEWTSP

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