MacNeil Pivotal Seat Post

6061 Aluminum 3D forged construction.  The 27.2mm size is 330mm long (or 13") while the 22.2mm size option is 114mm long (or 4.5")

Weight:
22.2mm: 2.95oz/84g
27.2mm: 7.12oz/202g

Color: Matte Black Only