Trojan Hub And Stub Kit 275 Ci Disc Five By Four And One Half By One Half Duratorque Compatible For Nz Trailer Axles

The Hub and Stub Kit 275 CI Disc 5x4 1/2x1/2 is a purpose-built, non-braked hub solution designed to upgrade and replace trailer hubs on Duratorque and beam axles, while also offering broad compatibility with many NZ-manufactured trailer axles. With an integrated or bolt-on disc rotor option, this kit provides a robust, ready-to-go foundation for reliable disc braking on your trailer.

• — specifically designed to fit Duratorque and beam axles, with strong compatibility for most NZ manufactured trailer axles. It also aligns with Trojan products, making it a practical choice for rebuilds and upgrades.
• Disc rotor options — choose an integral rotor built into the cast iron hub or a bolt-on rotor in cast iron or stainless steel. The 275 mm rotor diameter is paired with standard caliper mounts sold separately, giving you flexible braking configurations.
• Stud pattern and sizing — 5 studs on a 4 1/2 inch (114.3 mm) PCD with a 1/2 inch stud width, matching the most common wheel rims and tyres in stock.
• Load capacity — rated at 2000 kg GVM per axle (per pair of hubs), providing solid capacity for a wide range of light- to medium-duty trailer loads.
• Stub axles and caliper mount — includes a pair of 38 mm round stub axles with a built-in caliper mounting surface, simplifying alignment and installation.
• Materials and configurations — available in cast iron bolt-on versions (both standard and 5 4 1/2" 67.183 mm options) and stainless steel bolt-on variants (5 4 1/2" 67.183 mm, plus 5 120 mm options), plus integral rotor configurations for streamlined builds.
• What’s included — a complete hub and stub kit with the rotor configuration you select, designed to work with compatible disc brake caliper sets (sold separately).
• Weight and shipping — pack weight approximately 28 kg. Products are shipped from suppliers and typically dispatch within 4–7 days.

Why this kit matters for your trailer

Upgrading to a disc brake hub system like the Hub and Stub Kit 275 CI Disc delivers more confident braking performance, especially in wet or heavy-loading conditions. The 275 mm rotor provides ample stopping power for a single-axle configuration, while the flexible rotor options let you tailor corrosion resistance (stainless options) and maintenance needs to your setup. With a common 5x4 1/2" stud pattern, you can source compatible rims and tyres with ease, reducing downtime during a rebuild or upgrade.

Ideal use cases

• Replacing worn drum hubs on light- to medium-duty trailers that use Duratorque or beam axles, or NZ-manufactured axles.
• Upgrading an older drum brake system to disc brakes for improved braking efficiency and heat dissipation.
• Fleet maintenance where consistent, interchangeable hub components simplify stock and servicing.
• DIY trailer builds needing a reliable, versatile hub kit compatible with Trojan components and common wheel configurations.

For installers and trailer owners seeking a practical, durable path to disc braking, this Hub and Stub Kit delivers clear benefits: straightforward compatibility, flexible rotor configurations, and solid load capacity—paired with the peace of mind that comes from a well-thought-out, NZ-friendly axle solution.