... assured. 4. OEM ACCEPTED. 5. Product range: 16X2.5, 16X3.0, 2.25-17, 2.50-14, 2.50-17, 2.50 ... -18, 2.75-14, 2.75 ... -14, 110/90-16,145/70-12, 155/ 70-12, 4.00-12, 4.00-14, 4.50-12, 4.50-14, 5 ... .00-12, 5.50-13, 6.00-13, 6 ... .00-14 etc. 6. Certificate: ISO9001: 2000, CCC, ...