Parrot AR Drone® ball bearings "Speed Bearings" - more flight time, flight more stable, more power, (Ar Drone 2.0 and 1.0 Parts and adjustment) - Ambideluxe® 5
Parrot AR Drone® ball bearings "Speed Bearings" - more flight time, flight more stable, more power, (Ar Drone 2.0 and 1.0 Parts and adjustment) - Ambideluxe®
I put the rating of 5 because these bearings are really bearings unlike those of Parrot, a much better longevity, better battery life, less noise because less friction!