Some motorcycles turn heads. This one stops traffic, fills exhibition halls with gawping crowds, and makes fully grown adults look like action figures standing next to it. What you’re looking at here is one of the most extreme custom motorcycle builds ever photographed — a full-size rideable chopper constructed around a set of tyres so large they were pulled straight off agricultural machinery.
This is custom motorcycle building taken to its absolute, beautiful, completely impractical limit. And we are absolutely here for it.
At first glance your brain struggles to make sense of the scale. The red tubular steel frame, the raked-out forks, the chrome headlight — these are all familiar chopper cues. But then your eyes drift to the wheels and suddenly the whole image recalibrates. Those are tractor tyres. Not motorcycle tyres with an aggressive tread. Not oversized cruiser rubber. Full, agricultural-grade, field-ready tractor tyres, repurposed as the rolling stock for what is — by any reasonable measurement — a rideable custom motorcycle.
The rear tyre alone dwarfs a standard motorcycle wheel in the way a boulder dwarfs a football. The custom-fabricated alloy wheel centres — finished in a striking spoke pattern — have been engineered specifically for this build, sitting inside rubber that would be more at home ploughing a field in Lincolnshire than rolling down a show floor in central Europe.
Everything about this machine has been built from scratch to accommodate the sheer mass and diameter of those tyres. There is no production motorcycle donor frame hidden beneath the bodywork. This is bespoke fabrication from the ground up.
The chassis is constructed from large-diameter steel tube, powder-coated in a vivid red that gives the whole machine a hot rod, carnival machine energy. The geometry follows classic chopper conventions — a long, heavily raked front end with extended forks, a rigid or near-rigid rear, and a low seat position relative to the overall height of the build. What makes it extraordinary is that the frame has been scaled upward to match the wheel diameter, meaning the rider sits at a height most motorcyclists would associate with climbing aboard a van rather than a motorbike.
The front forks are a showcase piece in themselves. Fabricated in polished stainless or chrome-finished steel, they extend outward at a dramatic rake angle that would make even the most stretched-out West Coast chopper blush. The handlebar assembly sits high and wide — ape-hanger adjacent — with what appears to be a relatively modest chrome headlight unit mounted front and centre, almost comically small against the scale of everything around it.
Visible in the images is what appears to be a large V-twin or multi-cylinder powerplant nestled in the frame — almost hidden by the sheer bulk of the surrounding structure. Whatever is under there needs to produce serious torque to get this thing moving. The exhaust and engine cooling fins visible through the frame tubes suggest a purpose-built or heavily modified large-capacity engine. Getting this machine to move under its own power isn’t a styling exercise — it’s a genuine feat of mechanical engineering.
The custom alloy wheel centres deserve a paragraph of their own. The spoke pattern — a flowing, turbine-style design — has been machined to a high finish and sits inside the tractor tyre bead with a precision fit that must have taken serious engineering time to achieve. Getting a tractor tyre to mount reliably on a custom alloy rim, and then getting that assembly to handle the dynamic stresses of a moving motorcycle, is not a job for a weekend in the garage. This is professional-grade fabrication work.
Bikes like this one are built specifically for the show and exhibition circuit. From the images, this machine has been photographed both outdoors in what appears to be a European industrial park setting and inside a large exhibition hall — the kind of venue that hosts major motorcycle shows across Germany, the Netherlands, Belgium, and beyond.
The crowds visible in the background tell their own story. People are not walking past this bike. They are stopping, circling it, photographing it, and — judging by the expressions of those visible — struggling to process what they’re seeing. That reaction is exactly what a show bike of this scale is designed to produce. It is a conversation piece, a statement, a piece of mobile sculpture that just happens to also be a working motorcycle.
The woman in the red branded t-shirt visible in one image gives perhaps the clearest sense of scale. Standing beside the front wheel, she barely clears the top of the tyre. The headlight assembly above her head is at a height most motorcycles wouldn’t reach with their mirrors.
It would be easy to dismiss a machine like this as a novelty — something built purely for shock value with no practical application and no relevance to the bikes most of us ride. That would be missing the point entirely.
Extreme custom builds like this one push fabrication techniques to their limits. The skills required to design, engineer, and build a functioning motorcycle at this scale are exactly the same skills — applied with greater precision and under greater pressure — that inform quality custom work at every level. The craftspeople who build machines like this know things about metal, geometry, engineering tolerances, and materials science that most production motorcycle engineers never need to consider.
Beyond the technical, there is a cultural argument. Motorcycles have always been a canvas for self-expression, for the rejection of the ordinary, for the belief that machines can be art. A monster chopper built around tractor tyres is simply that impulse taken to its logical extreme. It is the two-wheeled equivalent of a custom lowrider that scrapes the floor, or a hot rod that barely fits on a normal road. It exists to say: we can, so we did.
Based on the outdoor photographs, yes — this machine has been ridden, or at the very least rolled under power in a controlled environment. The geometry, while extreme, follows coherent engineering logic. The engine appears functional. The rider position, while elevated and unconventional, is not inherently impossible for a person of reasonable height and confidence.
Whether you’d want to take it onto a public road is an entirely different question. Handling at speed would be unpredictable. The turning circle would be measured in postcodes. Finding a parking space would require a strategic plan. But none of that is the point. The point is that it exists, that it moves, and that it is one of the most visually arresting motorcycles ever fabricated.
Machines like this serve as a reminder that the custom motorcycle world never runs out of ideas. From the bobbers and choppers of post-war America to the café racers of sixties Britain, from the Japanese street customs of the eighties to the clean Scandinavian neo-classics of today — custom motorcycle culture has always found new ways to reimagine what a motorcycle can be.
A red chopper on tractor tyres, towering over exhibition crowds somewhere in Europe, is the latest chapter in that story. It is ridiculous, it is extraordinary, and it is exactly what makes this world worth paying attention to.
While we can’t promise you anything quite this extreme in our showroom, at Mallory Motorcycles in Derbyshire we stock a wide range of quality used motorcycles — from classic cruisers and naked bikes to adventure tourers and everything in between. If you’re passionate about motorcycles in all their forms, you’ll feel at home with us.
No corner of the UK is too far for the delivery team and it’s partners at Mallory Motorcycles. We proudly deliver to all major cities, towns, and even remote areas across the entire nation, including:
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