2b Free Counter Ballast System $1,550.00 2b Free Counter Ballast System As always, World Champion and World Record holder Alexander Bubenchikov delivers again a very innovative and beautifully crafted item. This time 2b Free comes out with a brand new counter ballast system. This new system is easy to use, looks great and is engineered and built with the same technique used for the 2b Free freediving buoy. The counter ballast system is 400 x 65 x 15cm, and with the supplied pump, it takes about 10 minutes to set everything up – for this, see the below video. The counter ballast system has a length of about 4 meters and a width of about 65cm. With a pull-up speed of about 1.15 meters per second with a diver from -50 meters with 40kg counter ballast, the system capabilities are more than sufficient. This system will make deep diving safe and convenient!