like i said before on the cups is a rim put a bar in there and hit the bar with a hammer it will pop out mayby yiu need a stronger arm :) but you can leave them i n the box if you want just undo the clip around the inner gaitor and the shaft will slide out the 3 balls is held in place by a clip remove that then the balls now work your way to the out side of the shaft do the same there you dont even nead to take the drive out tha hub !!!!!!!!!