If you're fond of remote-controlled vehicles, you might appreciate this video tutorial on how to modify gearing on a Traxxas Rustler R/C vehicle. The Traxxas Rustler is a proven favorite with a formula for rugged fun that nothing else can touch. The Rustler blows the doors off the competition with more power, smoother control, better grip, and performance that makes it one of the fastest Ready-To-Race electric trucks available. Modifying the gears is an easy way to boost top speed. You can install a smaller pinion gear to give you better acceleration or you can install a larger pinion gear to improve your top speed.