Electric Longboard Conversion

Alright, I was bored the other day and decided to make the longboard I just purchased into an electric board. (Too lazy to pump all the time) A couple hours later here's what I have. The designs are pretty crude but they work.

Parts:
Longboard
-Yoacher 41 inch drop deck board (The one i have)

Brushless motor
-Hobbyking 5055 400kv motor

80+ amp speed controller
-Turnigy 85A

Belt
-55 teeth 110XL synchronous belt

Pinion
1.5mm Pitch 10 Teeth 6mm Bore Motor Part Timing Belt Pulley Sprocket

2ch R/C car radio and reciever
-quanum 3ch

Your choice of battery (3s runs perfect I'd say around 10-15 mph 6s for dangerous speeds)
- 4000mah+ 20c+

That's pretty much it I printed the parts at 0.2mm layers at 100% infill on my prusia i3. Epoxy the wheel pulley onto the wheel and its good. Make sure its centered to avoid vibrations.
Bracket is friction fit so hammer it good in there.
Works well and cheap.

Oh yeah, you're going to need some extra spacers for th