Adjustable height bicycle seat mounting assemblies, bikes using such
assemblies, and methods of use are provided. One such adjustable height
bicycle seat mounting assembly includes first and second tubes in
telescoping arrangement. The first tube is adapted to be coupled to a
bicycle frame and the second tube is adapted to be coupled to a bicycle
seat. A bulkhead is disposed in one of the first and second tubes. The
bulkhead has an orifice therethrough, with a rod extending through the
orifice and coupled to a movement device disposed near an end of the
second tube. The first and second tubes are axially adjustable relative
to one another by regulating a flow of a fluid disposed in the first and
second tubes.