10T M0.4 1.5mm shaft pinion gear for Eflite blade 130X helicopte

This is a pinion gear specially produced for Efite Blade 130X helicopter, the hight of the pinion gear is 4mm, it can work with HP08S 8000KV perfectly.
Teeth:10T
Modulus:M0.4
Attention for installation:
Please clean the motor shaft and the inner hole of the pinion by ethyl alcohol firstly, then daub a bit of the Anaerobic adhesive on the shaft where the pinion gear will be installed. Wait for 1 minute or so, be sure the Anaerobic adhesive be dried and then you can put it into use.
If the hole of the pinion gear is tight and not easy to push it onto the shaft, you can grind the shaft by fine emery paper and try again.