Trojan 12 Inch Trailer Wheel and Tyre Assembly with Galvanised Rim

Designed for reliable, on‑the‑road performance, this Trojan 12-inch wheel and tyre assembly pairs a sturdy galvanised rim with a purpose‑built 145R12, 4‑ply highway tyre. It’s a ready‑to‑install solution built to handle everyday trailer duties, from boat launches to utility errands, with a construction you can trust in harsh conditions.

• Size and construction: 12" wheel paired with a 145R12, 4‑ply highway tyre engineered for steady load distribution and confident highway performance.
• Rim and mounting system: Galvanised steel rim with a 4 x 4" (4x4") bolt pattern and zero inside offset. This 4‑stud configuration provides secure fitment on standard trailer hubs you rely on.
• Load and pressure ratings: Maximum load per wheel assembly 325 kg with a maximum inflation pressure of 300 kPa (44 psi), delivering consistent stability at varying trailer weights and road conditions.
• Diameter and fitment: Overall diameter approximately 505 mm, designed to clear common trailer arches while delivering a balanced, smooth ride.
• Tyre construction details: Tread composed of 1 polyester plus 2 steel plies with a 1‑ply polyester sidewall, delivering durability, puncture resistance, and predictable handling.
• Brand and reliability: Trojan’s heritage in trailer parts brings proven engineering, corrosion resistance, and wide compatibility with popular trailer configurations.

Why this Trojan wheel and tyre assembly stands out:

• Coastal‑grade durability: The galvanised rim resists corrosion from salt air and damp environments, making it an ideal choice for boat trailers and outdoor setups where exposure is common.
• Consistent performance on highways: The 145R12‑4 ply tyre delivers stable steering feel, good load support, and reliable heat dissipation on longer trips or busy haul days.
• Simple, universal fit: The 4x4" PCD with zero inside offset and four‑stud mounting aligns with widely used trailer hubs, reducing installation time and compatibility concerns.
• Clear, practical specs: Clear load and pressure ratings let you plan payloads with confidence while maintaining safe tire inflation for longevity and grip.

Ideal for boat trailers, utility trailers, and light caravans, this wheel and tyre assembly is ready to replace worn components with a robust, low‑maintenance solution. With Trojan’s proven design and a galvanised rim built to resist the elements, you gain a dependable travel partner that helps you focus on the journey, not the repairs. For optimal performance, regularly inspect tyre tread, check inflation to 44 psi (300 kPa), and ensure the 4x4" mounting remains tight and free of corrosion.