If you compare it to the B3, the B4 is a race-car. Reduced weight. Stronger pull. Better hangtime. Direct feeling.
Nico Ostermann, from F-One Americas, shows The Kiteboarder Magazine the 2011 2-line Source and Bandit 4.
“Since F-one puts all their money into one kite, there is the possibility every year, that this plan goes all wrong, or they produce the next Big Cash Cow!”