FPV Drone landing gear

Gears dramatically effect the stability of your take off and landing given the batter of this drone is located on the under carriage.
I've used 3mm aluminum pipes in the inside to hold the thread of the

screws used are these 2mm
http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=8671&aff=337948