PNW FERN Kids Dropper PostDescription Adults shouldnt have all the fun. Thats why our all new Fern Dropper Post is specifically designed with your little one in mind, taking less effort and less weight to drop that saddle and get rowdy in the dirt. 27. 2 Diameter External Routing Lifetime Warranty MEASUREMENTS A Travel 90mm B Seat Collar to Center of Rails 150mm C Total Length 365mm D Min. Insertion Length 100mm E Full Insertion Length 217mm * Weight 506g View Dropper Size