Welcome to Defender Canada! 
Springfield Lock-In Locking Air Ride Seat Post
$273.65 - $288.25
Springfield Lock-In Locking Air Ride Seat Post Item # 1379118
Description
Posts can be locked in position to prevent rotating or unlocked to rotate freely.
Features:
- Provides Safe, Stable Seating
- Fits Any 2 3/8" Plug-In Base (not included, sold separately)
- Rated ABYC Class H-31 B (Fishing Only)