Length: 16.25" (413mm)Front Track: 9.84" (250mm)Rear Track: 9.84" (250mm)Weight: 48oz (1.36 kg)Height (overall): 7" (178mm)Wheelbase: 11.25" (286mm)Front Shock Length: LongRear Shock Length: XXLongFront Tires (pre-glued): Alias Ribbed 2.2"Rear Tires (pre-glued): Alias Step-Pin 2.2"Front Wheels: 2.2" Mirror-Chome (Tracer)Rear Wheels: 2.2" Mirror-Chome (Tracer)Electronic Speed Control: XL-5 Electronic Speed ControlMotor (electric): Titan 12T 550 (12-turn 550)Steering Servo: #TRA2056 High Torque WaterproofReceiver: #TRA6519 3-Channel MicroGear Ratio (internal): 2.72 (final drive: 10.17)Differential Type: Planetary Steel GearGear Pitch: 48-PitchTransmission: Magnum 272Steering: BellcrankChassis Type: Modified TubChassis Material: Fiber-CompositeTop-Speed: 35+m*Skill Level: 1Battery Tray Dimensions: 139mm x 47.5mm x 28mmIncluded Batteries: Traxxas Power Battery (NiMH, 7-C Stick)Required Batteries: 8 "AA" (transmitter)XL-5 (Waterproof) ESCInput voltage: 4-8 NiMH, 2- (2S) LiPoCase Size: 1.23"W x 2.18"D x 0.61" HWeight: 2.44 OunceMotor Limit: 15-turns** (540 Size) / 12-turns** (550 Size)On Resistance Forward: 0.007 OhmsOn Resistance Reverse: 0.014 OhmsPeak Current - Forward: 100APeak Current - Reverse: 60ABraking Current: 60AContinuous Current: 14ABEC Voltage: 6.0 VDCBEC Current: 1APower / 5"Input Harness / 9"Transistor Type: MOSFETPWM Frequency: 1600 HzLow Voltage Detection (LVD): 2-Stage indicators, switchable (on or off)Thermal Protection: Thermal shutdownSingle-button setup: Yes, Traxxas EZ-SetProfile selectionSport Mode: 100% FWD, 100% brakes, 100% REVRace Mode: 100% FWD, 100% brakes, no REVTraining Mode: 50% FWD, 100% brakes, 50% REV