Robot wheel 1.Size:200*45mm / 8*1.75 inch 2.Bore diameter =20mm 3.Wheel base =50mm 4 load weight: 80kgs Robot wheel1)Size:200*64mm / 8*1.75 inch2)Bore diameter =20mm3)Wheel base =50mm4.high quality5.good service6.punctual delivery time7.the wheel can pass the ROHS8.Fuction :Mainly used on heavy handtruck ,wheelbarrow,luggage carrier ,or other carrier tools or farm assistant machine wheels.Durable ...