Features: MINI-Z AWD Readyset based on MA-020 chassis. Special circuit board updated with an optimized steering control program. Chassis features a gyro sensitivity adjustment function. Drift tires are installed as standard. Readyset requires only batteries to be ready for action! 2.4GHz Syncro KT-531P transmitter that requires no setup of frequency bands. Factory completed body comes with display model quality finish. VCS (variable camber suspension) that adjusts camber in accordance with suspension stroke. Coil spring on front suspension can be easily replaced without tools. A wide range of optional parts is available to be installed. Note) Optional ICS can NOT be used. Also, this model is specially designed for the KT-531P transmitter. It is not compatible with the KT-18, KT-19, EX-5UR ASF, EX-6, or EX-6R transmitters. It is only compatible with the special (No.MZW431) gyro unit (sold separately). Specs: Length: 167.5mm Width: 70.0mm Height 50.0mm Wheelbase: 94.0mm?L? Tread F: 59.5mm R: 59.5mm Tire F: 25.0mm×8.5mm R: 25.0mm×8.5mm Gear ratio 7.23 6.38 5.71 5.97 5.34 4.97 4.5:1 Front Wheel Offset Narrow +1.5mm Rear Wheel Offset Narrow +1.5mm R/C System Syncro KT-531P Weight: 193g Included: R/C unit built-in complete chassis Painted and marked complete body Syncro KT-531P transmitter Mini pylon Pinion gear (15T, 17T, 19T, 21T) Spur gear (27T, 29T, 31T) Spare nut Wheel wrench Pinion removal tool Requires: AAA-size alkaline batteries x 4 or Ni-MH batteries x 4 for chassis. AAA-size alkaline batteries x 4 for the transmitter