Chinook's 1-bolt Euro-pin style base.
- Ocean Air's go to base.
-EX Pin on the top is the easiest system to separate your board and rig. One button simplicity!
- 1 Bolt spin on connection to your board, makes it easy to dial in your mast base positioning, and gives you the ability to use the entire mast track for adjustments.
-Latest model has plastic cups, for lighter weight.