Hub and Stub Kits 225 SS Disc 5x4 1/2x1/2

Upgrade your trailer’s stopping power with the Hub and Stub Kits 225 SS Disc 5x4 1/2x1/2. Built to integrate with Trojan Duratorque and beam axles, these kits also adapt to most NZ-manufactured trailer axles, delivering a reliable, long-lasting disc braking solution for single-axle setups.

Key benefits at a glance

• Robust rating — 1500 kg GVM per axle (per pair), giving you confidence on heavier loads and longer journeys.
• Wide compatibility — designed to fit Trojan Duratorque and beam axles, with broad compatibility for common NZ trailer axles and multiple wheel stud patterns.
• Flexible disc options — choose between a full cast disc or a bolt-on disc in cast iron or stainless steel, tailored to your environment and budget.
• Integrated mounting — includes a pair of 38 mm round stub axles with a built-in caliper mount, simplifying assembly and alignment.
• Calipers not included — calipers are sold separately, giving you the freedom to select the braking hardware that best fits your setup.
• Extensive configuration family — a range of integral and bolt-on variants covers multiple stud patterns and disc sizes to match your wheel and hub combination.
• Spare parts available — a comprehensive range of compatible components supports easy maintenance and long-term reliability.
• Fast dispatch — ships within 4–7 days to keep your project on schedule.

What configurations are available? The 225 SS Disc hub family includes both integral (disc mounted within the hub) and bolt-on disc options, with several stud-pattern configurations to match your wheels.

• Integral options — T135105 (Blank), T135115 (4 on 4 1/4" PCD, 7/16" studs), T135120 (4 on 4 1/2" PCD, 7/16" studs), T135135 (5 on 4 1/4" PCD, 7/16" studs), T135135 (5 on 4 1/2" PCD, 1/2" studs), T135140 (5 on 120 mm).
• Cast Iron bolt-on options — T136125 (5 on 4 1/4"), T136135 (5 on 4 1/2"), T136140 (5 on 120 mm).
• Stainless steel bolt-on options — T136335 (5 on 4 1/2"), T136340 (5 on 120 mm).

Each variant is designed with the same core strengths: durable materials, precise fabrication, and compatibility with a full range of rims and tyres commonly stocked in NZ. The stainless steel bolt-on options provide enhanced corrosion resistance for exposed or coastal environments, while the cast iron options offer an economical yet dependable solution.

Who is this for? If you’re upgrading from drum brakes to a disc system, building a new trailer, or restoring an older unit, these hub and stub kits offer a practical, durable pathway to improved braking performance. They’re ideal for:

• Trailer operators looking for fade-resistant stopping power on long hauls or frequent braking cycles
• Fleet owners who need a modular, serviceable hub system with readily available spare parts
• Builders working with NZ-made trailer axles who require reliable compatibility with common wheel patterns

Why choose this over alternatives? This hub-and-stub approach provides a compact, integrated braking footprint with built-in caliper mounting, reducing installation steps and potential misalignment. The option to select stainless steel for coastal or harsh environments, alongside a choice between integral and bolt-on designs, gives you tangible advantages in durability and maintenance. Plus, the 1500 kg GVM rating per axle helps you plan payloads with confidence.

For a durable, adaptable, and locally aware braking solution, the Hub and Stub Kits 225 SS Disc 5x4 1/2x1/2 are built to perform when it matters most. Add the configuration that matches your stud pattern and environment, and upgrade your trailer’s braking performance today.