R 12

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{ "@context": "https://schema.org", "@type": "Article", "headline": "R12 Tyres NZ: Complete Guide to 12-Inch Tyres for Trailers, Vans & Classic Cars", "description": "Comprehensive guide to R12 (12-inch rim) tyres in New Zealand. Covers common sizes like 155R12 and 145R12, applications including trailers, vans, and classic vehicles, load ratings, and current stock availability.", "author": {"@type": "Person", "name": "Taylor Houghton"}, "publisher": {"@type": "Organization", "name": "Tyre Dispatch", "url": "https://www.tyredispatch.co.nz"}, "datePublished": "2025-12-27", "dateModified": "2025-12-27" } { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ {"@type": "Question", "name": "What does R12 mean on a tyre?", "acceptedAnswer": {"@type": "Answer", "text": "R12 indicates the tyre fits a 12-inch diameter rim. The 'R' stands for radial construction. So 155R12 means a 155mm wide radial tyre for a 12-inch wheel."}}, {"@type": "Question", "name": "What vehicles use R12 tyres?", "acceptedAnswer": {"@type": "Answer", "text": "R12 tyres are commonly used on larger trailers, caravans, small commercial vans, classic Minis with upgraded wheels, older Japanese kei trucks, and some European compact cars from the 1970s-80s."}}, {"@type": "Question", "name": "What is the difference between 155R12 and 155/80R12?", "acceptedAnswer": {"@type": "Answer", "text": "They are the same size. When no aspect ratio is specified (155R12), it defaults to 80%. So 155R12 = 155/80R12. Both have 155mm width with sidewall height at 80% of width."}}, {"@type": "Question", "name": "Are R12 tyres available in NZ?", "acceptedAnswer": {"@type": "Answer", "text": "Yes, R12 tyres are more readily available than R10. Common sizes like 155R12 and 145/70R12 are stocked by Tyre Dispatch in both passenger and light truck ratings."}}, {"@type": "Question", "name": "What load rating do I need for trailer tyres?", "acceptedAnswer": {"@type": "Answer", "text": "Check your trailer's specificat