SULO-F2 3WD Robot Chassis Kit with 2 TT Motors for Arduino / Raspberry Pi

The 3WD robot chassis kit provides a good platform for electronics enthusiasts, allowing beginners to add MICR controllers (such as Arduino/Raspberry PI)some module to buildtheir own robot car? 1.Rated voltage of TT motor: 3V -12V 2.DC Motor Reduction Ratio: 1:48 3.Robot chassis kitSize:256*120*1.6mm 4.Maximum Load :500g 5.Tire diameter:66 mm 6.Tire Inner :51.8 mm 7.Tire Width :26.6 mm 8.Inner frame shaft diameter: 13.8mm 9.Axle hole width :3.66 mm 10.Axle hole length:5.3 mm