The 2b Free Freediving Buoy $210.00 The 2b Free Freediving Buoy 2b Free has done it again! They are revolutionising freediving! Vice World Champion Alexander Bubenchikov has redesigned the freediving buoy. After the immensely popular 2b Free Freediving Lanyard where they crushed the competition and released the lightest freediving lanyard ever produced they now come out with an incredible freediving buoy. Let us introduce you the 2b Free Freediving buoy.