RC Tank - Wheel with Planetary Gear

This is a replacement for the Drive Wheel of the RC Tank which designed by Staind.
https://www.thingiverse.com/thing:2414983
The gear ratio in the original design is too low if using 540 motor.
Then, I found a "Speed Reduction Planetary Gear Wheel" which designed by ScorpionTDL.
https://www.thingiverse.com/thing:2517890
Its designed to reduce the speed.
It has a reduction of 1:3.8.
But, it's unsuited for the Staind RC Tank.
So, I made some modifications.
Now you can use this version o