Trojan Hub Blank 190mm Diameter — 6x5.5" Bolt Pattern

Designed for professional wheel builders, restorers, and fabrication shops, this Trojan hub blank delivers a precise, reliable foundation for custom wheel hubs. With a 190 mm diameter and a 6-on-5.5 inch bolt pattern, it provides the sturdy base you need to achieve accurate bore alignment, concentricity, and repeatable results across multiple builds.

Why this hub blank stands out

• Accurate foundation for customization. The 190 mm diameter gives you ample material and a stable surface for precise drilling and finishing of stud holes, reducing runout and ensuring a true wheel mounting surface.
• 6x5.5 inch bolt pattern. Specifically suited for vehicles and restorations that use this bolt circle, enabling you to tailor the hub to your exact application.
• Professional-grade precision. Engineered with repeatability in mind, this hub blank supports consistent results whether you’re replicating a stock pattern or fabricating a custom wheel hub.
• Versatile for on-site customization. Ideal for fabrication shops and workshop environments where engineers and wheel builders need a reliable base to drill, fixture, and assemble with confidence.
• Brand reliability. Trojan brings established expertise in hub components, delivering a part you can trust for quality, durability, and performance in demanding projects.

Ideal use cases

Use this hub blank when you’re working on:

• Restoration projects for classic or niche vehicles requiring a 6x5.5" bolt pattern
• Custom wheel builds where you need to drill your own stud hole pattern with precise alignment
• Fabrication shop workflows that demand repeatable hub bases for multiple builds
• On-site customization jobs where a solid, unmodified starting point accelerates setup and accuracy

Practical guidance for best results

• Ensure proper fixturing and alignment when drilling stud holes to maintain concentricity and minimize runout.
• Inspect the finished hub surface for burrs or sharp edges after drilling, and deburr as needed before mounting wheels.
• Store in a dry, clean environment to preserve surface integrity and prevent corrosion prior to installation.
• Use compatible tooling and jigs designed for hub blank machining to maximize accuracy and repeatability across builds.

Specifications snapshot

Hub diameter: 190 mm

Bolt pattern: 6 on 5.5 inches

Product code: T995055

Brand: Trojan

Whether you’re retrofitting a vintage wheel, modeling a new performance build, or equipping a professional workshop, this Trojan hub blank is a dependable, precise starting point for high-quality wheel hubs.