lightning 10 pinion grub screw?

[mikerobinson83]

does anybody know what size grub screw i need for a lightning 10 pinion,the buggy is a brushless conversion with an insert in the pinion to accept an electric motor but i am unsure what size grub screw i need to secure it

thanks mike

[scooterboy]

M4 X 4mm long bud :thumbsup:

[mikerobinson83]

thanks mate:D
only got the pinion and battery to do now than i am ready to crash