What are the recommended specifications and guidelines for A4 tyres, including aspects such as aspect ratio, size marking, load rating, speed rating, structure, condition, and fitment?

For A4 tyres, which are commonly associated with roads like Bath Road, standard car tyres are generally suitable as long as the vehicle has been properly maintained and meets all other required specifications. The recommended specifications for these tyres include an aspect ratio of 50-65%, ensuring a balance between comfort and performance. Tyre sizes typically range from 14 to 17 inches in diameter, with width varying according to the vehicle's needs. Load ratings can vary significantly, from 800 kg (for economy cars) up to 1200 kg or more for larger vehicles. Speed ratings should also be considered, as these tyres may face different speed limits depending on the country and road type. It is crucial that these tyres are fitted correctly, ensuring they match the vehicle's recommended specifications to ensure optimal performance and safety.