A suspension device for disposition between a support post of a bicycle and a
suspended
member, such as a bicycle seat and bicycle handlebars, having an invertible connector
body with a support post mounting, a horizontal median and two shoulder surfaces
disposed above the median or below the median. The connector body has at least
two sleeves with two slide pins slidably mounted in and passing through the two
sleeves, and a top bracket and a bottom bracket fixed to top and bottom ends of
said slide pins, with two springs disposed between the shoulder surfaces and the
brackets and a seat or handlebar mounting connected to the top bracket.