(OLD) Nintendo OpenRC Mariokart (OLD)

Update: Mayor changes to the Kart's design. The rear axle is super stable now, bigger gears for more torque, Body with M logos are now available, servo saver fix, new servo push rod (user needs to make hole for the servo side), different diameters of axle and bearing blocks available for those who have a lose joint or mate, new rear chassis with stronger motor mount.
Update: The rear axle has problem with some of you. I decided to make a new one.
Update: A thin wall was detected on the front b