4* Smart Robot Car Plastic Tire Tyre Wheel +4* 6V Gear Motor Set For Arduino L
4 x For Arduino Smart Car Robot Plastic Tire Wheel. Matching color for tire and motor housing. RPM (With tire) 100 190 240. 4 x DC 3-6 V Gear Motor. Center hole: 5.3MM x 3.66MM. Wheel size: 65 x 26 mm.