Take Control Of Your Ride! The Dropper Seat Post, designed for quick, on-the-fly height adjustments without stopping. The easy to use lever lets you lower or raise your saddle instantly, giving you better control and comfort across changing terrain. Built from lightweight aluminum with 100mm of adjustable travel and available in multiple diameters, it&';s a reliable upgrade for smoother, more confident riding. KEY FEATURES: 30.9mm Diameter Manual Control Lever Aluminum Construction Adjustable 100mm Travel Height