Robinson Racing Products 2640 40T Speed Differential Gear for Arrma Infraction

Robinson Racing Arrma Infraction "Speed" Steel Mod 1 Spur Gear. This spur gear is an optional upgrade for the the Arrma Infraction has six fewer teeth than the stock 46T spur, and will provide a taller gear ratio and increased top speed. This is only compatible with the Arrma Infraction center differential.