The S&M Long Johnson Stealth Pivotal Post is the same as the original Long Johnson but now built with the stealth pivotal technology. Same adjust ability and concept as traditional pivotal style application except now the the bolt is adjusted and tightened under the seat post for a cleaner more "stealth" look.  

Diameter: 25.4mm / 27.2mm
Length: 320mm
Weight: 6.85oz