This battery tray was designed for the Tekno RC V3 brushless conversions

allowing you to change your spur gear quickly and easily

This includes the same Front Drive Shafts that come standard on the PRO-MT 4x4

Genuine Traxxas replacement part #8819

Various shades of brown and grey

Robinson Racing 2640 Speed Differential Gear 40T Arrma Infraction N Accessories This battery tray was designedRobinson Racing 2640 Speed Differential Gear 40T Arrma Infraction The Robinson Racing 2640 is a speed differential gear featuring a 40 tooth count, designed specifically for the Arrma Infraction. Speed gears like this one are built to adjust your differential's gear ratio for a particular driving style. This 40 tooth speed differential gear gives Infraction owners a specific ratio option for tuning their drivetrain's overall speed and acceleration