Trojan 12-Inch Trailer Wheel and Tyre Assembly with Galvanised Rim – 4x4 PCD

Built for trailer reliability, Trojan’s 12-inch wheel and tyre assembly pairs a robust highway tyre with a galvanised rim designed to resist corrosion in wet conditions, salt spray, and mud. The 4x4" PCD ensures broad hub compatibility, making this a dependable, ready-to-fit solution for a wide range of light- to medium-duty trailers.

Specification highlights

• Wheel diameter: 12 inches
• Rim: Galvanised steel rim with 4x4" PCD, zero inside offset
• Tire: 155R12 highway tyre, 8-ply construction
• Tire plies: Tread: polyester 1 + steel 2 + nylon 1; Sidewall: polyester 1
• Max load (per wheel): up to 478 kg (rated); Single configuration up to 560 kg; Dual configuration up to 540 kg per wheel at 65 psi (450 kPa)
• Brand: Trojan
• Model/Code: T522055

Why this wheel and tyre assembly stands out

Trojan’s 12-inch wheel and tyre assembly delivers a durable, corrosion-resistant solution that simplifies trailer maintenance and enhances road stability. The galvanised rim provides long-term protection against rust and deterioration, even in challenging environments. Paired with an 8-ply highway tyre, you get dependable load handling and steady traction on highway runs, worksite trips, and weekend hauls alike.

Real-world benefits

• Extended longevity in adverse conditions thanks to the galvanised rim construction.
• Consistent load distribution and stable towing dynamics for heavier or awkward loads.
• Zero inside offset supports reliable alignment with common trailer axles.
• Wide hub compatibility with a 4x4" PCD, reducing fitment hassles across various trailers.

Who this is ideal for

Perfect for boat trailers, utility trailers, small caravans, and other light-to-mid-duty trailers that demand a reliable, maintenance-friendly wheel-and-tyre package. If you want a ready-to-fit assembly that minimizes downtime and provides predictable performance, this Trojan option is a smart choice.

Maintenance and practical tips

• Inflate to the recommended pressure (approximately 65 psi / 450 kPa) to ensure optimal load handling and wear.
• Regularly inspect the galvanised rim for signs of corrosion or damage and service the axle and lug nuts during routine trailer maintenance.
• Keep tires in good condition with periodic rotations and balance checks to maximize tread life and stability on the road.