New for PRO / Shimano is the Koryak dropper post. It offers 120mm of infinitely adjustable, cable-actuated travel, weighs in at 520 grams, and is expected to be available in March 2017. There is an iSpec-compatible shifter-style lever as well as a standard lever option. There is no word on a 150mm version nor any information on pricing as of yet.
EUROBIKE - 2017 Mountain Bike Components