These lightweight aluminum pinion gears allow your motor to speed up faster for improved performance on the track. These gears are machined true from high quality aluminum.
-Etched for easy identification
-Less rotating mass for quicker motor acceleration
-Includes gears from 28 teeth to 37 teeth
-48 pitch teeth with standard 3.17mm bore.
-Includes set screws
-Includes an RPM Snap Case to hold the all in securely for FREE