Mountain Bike Dropper Seatposts Get the DownLow.Cannondale&';s DownLow dropper post is an infinitely adjustable, easily serviceable, air/hydraulic unit with a sweet cable remote. It goes up. It goes down. You need one.Where it thrivesChallenging trails, up and down hillsWhat it&';s built forHandling, confidenceHighlights31.6 diameterAlloy construction with slot key bushings and wiper sealsPreset