This is an optional Traxxas Aluminum Idler Gear, and is intended for use with Traxxas 1/10 electric vehicles. Machine cut gears are more precise for less wear and friction. Provides quiet, more efficient operation. A light coating of silicone grease is required on the gears.

NOTE: 3195X & 1996X must be used together. Also, it is recommended that a new 2388 main diff gear is installed.