Product Detail Complete ready to run out of the box 4WD 27T Electric Motor: Tear up the terrain in-door or out-doors. Easy Operation: No Tuning, No Fuel, No Loud Exhaust Noise. Just Plug'n'go 20T pinion paired with an 87T spur gear gives you quick acceleration while still allowing for a smooth low end speed range True Beadlocks: No Messy Glue . The "SCX10 TR 1/10 Electric 4WD Truck: RTR" is best product for you. We recommended SCX10 TR 1/10 Electric 4WD Truck: RTR