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About Kingpin Components

Kingpin Components Ltd is a small, independent motorcycle parts business based in East Sussex, England, focused on designing and supplying parts that are difficult to find — or simply not available — anywhere else.

The business was started in late 2015 by keen motorcycle enthusiast Andy Marks, originally as a way to support his own projects by making extras of any parts he needed, and selling the surplus on eBay. What began with a handful of parts sold entirely through eBay gradually grew into something far more established.

A dedicated website followed in 2016, allowing Kingpin Components to expand its range and share more detailed technical information alongside the parts themselves. In 2024, Kingpin Components became a limited company, making it easier to work with trusted sub-contractors and specialist suppliers as the business continued to evolve.

Over time, direct web sales became the natural focus. The original eBay shop played a smaller and smaller role until it was finally closed in January 2026, allowing Kingpin Components to concentrate entirely on the website and direct relationships with customers.

 

From the start, the aim has remained the same:

To manufacture and supply parts that keep vintage and classic bikes on the road.

Who We Are

At Kingpin Components, “we” usually means Andy.

Andy has been passionate about vintage and classic motorcycles since long before he was old enough to ride them, and that interest naturally grew into a fascination with engineering, design, and how things work. Kingpin Components is very much an extension of that long-standing enthusiasm.

Three men sitting on vintage motorcycles
A man in a red and black t-shirt standing with a vintage Norton CS1 Motorcycle

 

Andy still often works alongside his dad, Steve, who runs The Magneto Guys. Between them, there is a steady exchange of ideas, experience, and problem-solving that benefits both businesses. It’s a collaborative, hands-on relationship rooted in shared interests rather than corporate structure.

What We Do

While the business has evolved over the last ten years, the core focus has not changed. Kingpin Components specialises in the manufacture and supply of low-volume, low-demand parts - the kind of components that are essential to keeping bikes running but are often overlooked by larger manufacturers.

​The workshop is well equipped for traditional, hands-on engineering work. You won't find any CNC machinery, but there is the capability for:

  • Turning

  • Milling

  • Grinding

  • Sheet-metal work, including folding and forming

  • TIG and gas welding

  • Bronze welding

 

This setup allows for one-off parts, prototypes, and very small production runs to be made in-house.

PXL_20260130_155339160~2.jpg

 

Alongside this, experience with 2D and 3D CAD means Kingpin Components can work effectively with carefully chosen sub-contractors when modern processes are the right solution. This includes access to:

  • CNC machining

  • Laser cutting

  • 3D printing

  • Injection moulding

  • Casting

 

Throughout all of this, Andy remains at the centre of everything Kingpin Components does - from design and prototyping, through selecting and vetting sub-contractors, to part assembly, customer service, sales, website maintenance, and advertising.

Anytime you’re dealing with Kingpin Components, you’re dealing directly with the person who designed and made the parts.

A 3D CAD drawing of a magneto cap and the 3D printed part made from it

The 3D drawing of a BTH points cap and the nylon printed part that was made from it

A 3D CAD drawing of a gear selector and the CNC machined gear selector made from it

The 3D CAD drawing of an MZ gear selector and the CNC machined part made from it

Why We Do It

Kingpin Components exists because of a genuine passion for motorcycles and engineering.

That passion has stayed at the core of the business from day one. Over time, systems have been put in place to make the day-to-day running of the business more efficient, freeing up time to focus on what mattered from the start:

  • Working on motorcycles

  • Designing better solutions

  • Manufacturing parts properly

  • Solving problems that stop bikes being used

 

The goal has never been growth for its own sake, but doing good work and enjoying the process along the way.

C20_edited.jpg

Looking Ahead

Andy writes: 

Unsurprisingly, running a business has proven to involve far more than simply making a part and listing it online. While I have plans to continue expanding the Kingpin Components range, I have no plans to employ staff. Remaining a one-man operation provides me with flexibility and control.

Instead, I will continue to use the trusted group of specialist sub-contractors which I have built up over time. This allows the range to grow without compromising standards or introducing the complexity and cost of being an employer.

 

Alongside designing and making parts, I have discovered a real enjoyment in helping my fellow enthusiasts - whether that’s getting a bike back on the road, improving how it performs, or simply offering advice when something isn’t straightforward.

 

Writing has also become an important and enjoyable part of the business. The blog and technical pages on the website are good examples of this, and I plan to spend significantly more time writing throughout 2026. While it may be a modern form of marketing, it’s something that I genuinely enjoy.

 

If you’re stuck with a tricky part, an ongoing project, or just need a bit of guidance, you’re always welcome to get in touch.

What Next?

Now that you know a bit more about Kingpin Components, who we are, and what makes us tick, what would you like to do next?

 

You might want to:

  • Get in touch to ask a question or discuss a project

  • Read the blog for workshop stories and updates

  • Browse the technical pages for deeper dives into more technical topics

  • Explore the shop to see what parts are currently available

However you choose to continue, thanks for taking the time to learn more about Kingpin Components.

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