Looking to replace my seatpost and I am looking at the planet x anti gravity seatpost and just wondering really what difference there is is between anti gravity and a normal seat post ?
http://www.planet-x-bikes.com/files/phatfile/PlanetXRoadBrochure.pdf
http://www.planet-x-bikes.com/files/phatfile/PlanetXRoadBrochure.pdf