This part is recommended for off-road use only

Installation on the Rock Crawler

Hot Racing Blue Power Up HD 58T 32pitch Spur Gear for the Traxxas Rustler

Aluminum heat sink and cooling fan helps motor to run cooler

Hot Racing - Spiral Bevel Gear, 1/16 Traxxas RC Cars & Trucks Off Road This part is recommended forDeep Spiral Angle bevel gear set for the 1 16 Traxxas 4 wheel drive. These mount inside the front and rear transmission. FEATURES: CNC hardened steel and aluminum construction A deep spiral angle spiral bevel gear is a gear with helical teeth formed along spiral lines on the gear face. the main advantage of spiral gears over straight gears is the smoothness of operation as the teeth engage more gradually. the contact between the teeth starts at one of