Designed to provide you with a better sports’ bicycle experience the PRO Koryak Dropper Post 150 is an internally routed, 150-millimeter infinite-travel, dropper seatpost. Constructed with a 3D forged AL6061 alloy lower tube and shaft, with stainless-steel bolts, it is available diameters 30.9, 31.6 & 34.9 millimetres, and weighs in at 625-grams for the thinnest diameter. It’s infinite-travel is operated by an up/down style lever and it features PRO’s innovative 1 bolt clamping system, which provides a wide range of saddle angle adjustments.