This standard specifies the test method for measuring the rolling circumference and the number of revolutions per unit distance (km) of truck tires under load. This standard applies to all new truck tires.
GB/T 19389-2003 history
2016GB/T 19389-2016 Test method of measuring rolling circumference for truck tyres
2003GB/T 19389-2003 Test method of measuring rolling circumference for truck tyres