Check out any of the nine Front Wheel components enlisted.
A sample from the products for the Front Wheel include: Nut. Self-locking, Oil Seal (20x35x7-122), Bearing, Sensor Unit.
The most reasonably priced component used on the Ew50n 2007 1s06 Sweden 1f1s0-300e1 Front Wheel is the Nut. Self-locking.