Product features:It combines all the advantages of pneumatic tires and solid tires.It does not need to be inflated while retaining the maximum flexibility of the tires.Sales unit:tires(1)Specifications:Hollow solid tireModel:12*2.125/12 1 /2x2 1/4Material:high quality rubberMaximum load:100 kgSize:Reference pictureApplicable type:electric scooter /drive electric car/bicycleplease see pictures to confirm size and compatibility before order.If you have any problem,please feel free to contact us.