Dropper Post & Lever- UpDown

The FUNN UpDown dropper seat post uses a Twin Tube Cartridge System instead of a traditional IFP (internal floating piston) design. This Twin Tube Cartridge System means the dropper post can mechanically resets itself so as to eliminate unwanted seat post sag! Comes with an ultra-adjustable lever made to mount top or bottom of the bars, where its position can be rotated to achieve the desired angle