Two speed conversion kit (E-Revo) (includes wide and close ratio first gear sets sub-micro servo and linkage) (Requires 3 channel transmitter)The accessory Two Speed Conversion Kit offers another dimension of versatility and performance for E Revo owners who want the option of stump pulling torque and high speed passes. The included waterproof sub micro servo actuates the internal shift fork with the push of a button from a 3 channel transmitter (sold separately). The first ratio gear sets allow custom tuning for various applications and performance preferences. The close ratio first gear