Pinion gear, Fits Robbe Millenium , Avaliable in 15 T. Makes perfect Ratio for 80-90 size motors.
Frames posts set R30-50
GPS cover for better signal reception
This shield can increase the GND of the GPS module to get a better signal reception.
Isolation of other electronics on the drone can improve the signal reception too.
Compatible with all GPS modules with a patch antenna.