Collection: BMX Seatposts

BMX seatpost systems include:

Pivotal 
A game-changing system developed by Macneil and now the industry-standard for most BMX seats. 

Stealth Pivotal
A development of the Pivotal system, which does away with the access patch on top.

Tripod 
A new system developed by Fly Bikes, popular in the 2010's, but less common now. 

Railed
Traditional system for seats with rails.

For seatposts for old school bikes see here.