11) What is the life cycle of quad bikes in Australia? For example, on average how long do consumers use quad bikes before the vehicle is retired? How long might it take before the current stock of 380,000 quad bikes is replaced by new stock that satisfies requirements of a safety standard, if imposed?
Agricultural use could be 10-15 years or more depending on the size of the farm or station. Retrofit existing bikes must be included in the regulation.