How come 2 of the rims are circular in the middle and the other 2 are hex?
The hex one's go on the back. Your bearings are in your c-hub. The round ones go on the front. Your bearings are in the wheel, and you just have a spindle on the hub. You can convert your front end over to the electric componets, and then run hex's all the round, that way you could swap from front to rear. It will also make the front wider, and you can convert the rear over to electric componets, but you loose your rear toe in, which will affect traction.
Rusty 2.5R,T-max 2.5 & 3.3,Summit VXL Nitro 4-tec
Thanks! I will try that