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Tyre and Rim Association of Australia
Revisions – 2022 Standards Manual
The 2022 edition of the Standards Manual of Tyre & Rim Association of Australia is now available in print or digital format.
2021 Revisions
The Tyre & Rim Association of Australia Standards Manual is revised annually to include the advances of new technical data for tyres and rims reflecting the latest worldwide standards
Definition of Terms in the Standards Manual
Below are the definition of new tyre dimensions. New Tyre Dimensions Design/Measuring Rim Width - "Design/Measuring Rim Width" is the specific rim width assigned to each tyre size designation to determine basic tyre dimensions. Tyre Section Width - The...
Tyre Pressure Monitoring Systems
Monitoring systems for tyre pressure. The release of vehicles in the Australian market fitted with Ultra-Low Profile (ULP) and Run-Flat Technology (RFT) tyres as standard has been increasing dramatically over the past 10 years. It is a particular...
Tyre Load Identification
When you’re driving along in your car, all of the wheels are heading in the same direction as the car, aren’t they? Well, no they are not! General Tyre Safety Standard The alignment of the wheels on the average car is specified such that (most of the time)...
Why does my car need a Wheel Alignment?
When you’re driving along in your car, all of the wheels are heading in the same direction as the car, aren’t they?
All my tyres will wear at the same rate, won’t they?
The load on each of the tyres on your car is different depending on the tyre’s position.Depending on the mounting position of the tyre, the wear-rate of that tyre will be different
Why has my tyre suddenly disintegrated?
Everyone knows and understands that tyres need air in them. What people don’t always understand is that for tyres to operate correctly and also give the best wear-life, they need to be inflated to the correct air-pressure. Obviously, the tyres on a vehicle...
Why do I have Irregular Wear on my Car Tyres?
One of the most common queries on tyres that we receive is: “Why have the tyres on my car worn so poorly? There’s plenty of tread on one side and the other side is bald!!” (or a variation on that theme). There are three factors that will cause a tyre to...
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