2WD Robot Car Chassis Kit (ST design)

Package included:
2 DC Geared Motor Dual Shaft
2 Wheel 65mm for Plastic DC Motor
1 Metal Caster Wheel for Robot
Chassis:
2 x Acrylic Baseboard
1 x Ultrasonic Sensor Holder
4 x Fixed Motor Bracket
4 x M3*70 screw
4 x M3*30 screw
8 x M3*10 screw
24 x M3 nuts

Motors:
Suggested Voltage: 4.5V DC (works well from 3-6V)
No load Speed: 90±10rpm (speed depends on input voltage)
No Load Current: 190mA(max.250mA)
Torque: 800gf.cm min
Stall current approx 1A

Wheels:
65mm diameter, 30mm width
Plastic rims with solid rubber tires
The caster Wheel in the front