THE STUMP POST WORKS JUST LIKE THE NORMAL MACNEIL POST BUT IS SHORTER TO SAVE WEIGHT AND MACHINED DOWN AT THE SEAT BASE SO YOU CAN "SLAM" YOU SEAT. TEH FULL LENGHT OF THIS POST IS 5" AND SHOULD ONLY BE USED "SLAMMED" WHEN PUSHED ALL THE WAY INTO THE FRAME.
THIS POST WORKS ONLY WITH PIVITOL STYLE SEATS AND IS LIGHT AND STRONG. 1" (25.4)
WEIGHT = 4 oz.