Carbon Road Bikes Built Around You: The New Gold Standard for Performance

Not every road bike is made for you. Most are not. Many riders settle for what happens to be in stock, not realising there is a better way to ride. At FiftyOne Bikes, every build starts with one clear principle. Your bike should feel like it was made just for you because it is.

FiftyOne designs and builds carbon road bikes around your fit, riding style and ambitions. There is no guessing. No adjusting after the fact. No compromises. Just a tailored bike that fits from the beginning and performs precisely how you ride.

Why Carbon Still Leads the Way

There is a reason carbon fibre remains the material of choice for serious cyclists. It is light, responsive and strong under pressure. But what matters even more than the material is how it is used.

FiftyOne uses premium carbon fibre supplied by Toray, the same manufacturer trusted in aerospace and Formula One. Each frame is hand-built in Dublin by a team focused on precision and purpose. These are not bikes built in batches. They are built to ride with clarity, feel and intention.

Fit Comes First

Riding a bike that does not fit properly is like wearing shoes the wrong size. You might make it work, but it will never feel right. FiftyOne begins with your fit. Not a frame size or a stock chart. Your actual position on the bike. Your flexibility. The type of riding you do. The surfaces you prefer. The speeds you hold. All of it matters.

The process begins with a consultation. From there, the geometry is designed specifically for your body. Components are chosen for your style of riding. The carbon layup is based on how you want the bike to respond. Even the cockpit is tailored. The tops of the bars include a three-degree backsweep, creating a more natural wrist angle and greater comfort on long days in the saddle.

A Bike That Reflects You

Performance matters. But so does expression. No two custom FiftyOne bikes look the same, because no two riders are alike. When you build a bike with FiftyOne, you choose the colour, the paint style and the visual tone. Some riders want a bold and aggressive look. Others prefer clean and minimal. Either way, the result is one of one.

This individuality extends beyond colour. The way the bike fits beneath you. The way it handles at speed. The way it climbs, corners and responds. These are not effects you can get from stock geometry. They come from a bike designed around you from the start.

Gravel Has a Place Too

Not every ride stays on tarmac. That is why FiftyOne developed the Assassin, a high-performance gravel bike designed with the same focus on ride quality, balance and control. It is fast, confident and built to adapt. Whether you are exploring fire roads, forest tracks or quiet back lanes, the Assassin gives you stability and connection on any surface.

While it is not custom geometry, the Assassin is available in various sizes and features, with adjustable geometry to fine-tune fit and handling. It is one of the few high-performance gravel bikes you can order online and still expect a dialled-in ride that feels premium on every outing.

Why Choose FiftyOne

• Full custom fit for better comfort and control
• Frames built in Ireland using high-grade Toray carbon
• Road and gravel options are designed with a real-world ride feel
• Built for you, not just sold to you

This is not just about buying a bike. It is about building one. A machine that is as individual as the rider who owns it.

FAQs

How long does it take to get a custom road bike

Most builds take eight to twelve weeks from initial consultation to final delivery. Timelines may vary depending on complexity and paint design.

Can I order a gravel bike online from FiftyOne?

Yes. The Assassin can order through the website, including several build kits and finish options.

What is the difference between a custom and a factory-built bike

A custom bike is designed around your fit and your riding preferences. A factory-built bike follows set geometry and sizing, but the Assassin is unique in that it still offers a premium ride feel and adjustable handling.

Are carbon road bikes suitable for racing

Yes. Carbon is the leading material for high-performance road bikes. It is light, stiff and engineered to deliver speed without compromising control.

Let’s Build Your Bike

Whether you are chasing personal bests on the road or exploring new routes off it, the best bike is the one built for you. Not a size. Not a spec. A bike that fits from the first pedal stroke and rides the way you want to ride.

The right bike is not out there waiting. It is waiting to be built.