Whether we set our saddle up, down, or somewhere in between, the PRO Tharsis Dropper Seatpost guarantees our saddle is always at the perfect height for whatever trails we're riding. Built from high-strength alloy and an oval inner tube for increased rigidity, this dropper post is built tough enough to hold up to an entire season of enduro racing or even just our daily rides after work. Plus, the aluminum internal cartridge is easily serviceable by a local bike shop or those of us with the knack for wrenching on our own bikes.