Geared hub for OpenRC tractor motor mod

A 3.8:1 planetary gear hub. This will bring the drive ratio to 16.72:1 for the 44 tooth gear, or 19:1 for the 50 tooth gear (https://www.thingiverse.com/thing:2736589)

You will need to print 8 planet gears and bearing retainers, and 2 of everything else except the mount and mirrored mount. This replaces the fender mounts and rear rims, and can be installed without removing anything else.

Assembly is simple. Bearings are pressed into the ring (2 each) and planet (1 each) gears. The outter