Light and short the nylon seat post is compatible with Pivotal saddles. Lighter than any alloy posts. Offered in two popular diameters: 25.4mm (for the Spark & most BMX frames) and 27.2mm (for the Void and most MTB steel frames). The 110mm length translates into to around 60mm of adjustment. Threads reinforced with alloy insert.
Octane One Nylon Seatpost Specifications:
Seat post compatible with Pivotal system seats
Diameters: 25.4mm and 27.2mm
Material: hard plastic/nylon
Post length 110mm (allowing to raise by 60mm)
Weight: 25.4: ~72g, 27.2 = ~85g
Buy Octane One Nylon Seatpost from Chain Reaction Cycles, the worlds largest online bicyle store.