many players on the wing have forgotten about crosses being their fundemental criteria to be a winger. beckham does not has fancy footwork neither he need the kind of speed to knock the ball past the players. with the curls on the ball, anticipation and accuracy beckham can deliver anywhere he feels comfortable.
no one is near to beckham's crosses. the kind of consistency and accuracy delivered to the front. besides that, his crosses are easy to receive and bring it down. unlike some other players nowadays who simply hit the crosses so hard and it makes the receiver so hard to bring the ball down.