Those are fun as hell. i had one i used to ride around in the neighbor hood. Picked it up for 50.00 got my moneys out of it. There just hard to control b/c of the way you sit and stuff.
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Driving definitions: Understeer is when you hit the wall with the front of the car and Oversteer is when you hit the wall with the rear of the car. Horsepower is how fast you hit the wall and Torque is how far you take the wall with you.