... 3.5kg rubber content: 40%-50% We can supply tires and inner tubes, including all steel radial tyres,agricultural tyres, light truck tires and ... heavy duty tyres, with specifications of 26.5-25,23 ... -16, 8.25-16, 7.50-18,7.50-16, 7.00-16, 6.50-16, 7-16,6.00-16, 550-16,450-16,7.50-15, 7.00-15, 5.50-15,4.50-15,6.50 ...