When you're buying a new road bike, the sheer number of choices available can make it a challenging decision to get the road bike you love. There are many factors you can use to filter your selection, such as price, specifications, riding style, brand, and even color.

Sometimes you can choose based on the material of the road bike frame. The four common materials used to make road bikes are steel, aluminum, titanium, and carbon fiber, and the material can affect the feel and purpose of the bike, so it's a good idea to know the main differences before deciding.

For some people, the choice of material is very important. The frame is the heart of a new road bike, and a large part of your budget goes there, and the material can play a big role in that, so it's important to choose wisely.

Let's look at the key attributes of each material to help you make the right choice.

Aluminum

▲ICAN Aluminum Road Bike Wheels

Aluminum is the most common material. It is mainly used in road bikes at an affordable price point. It's ideal for road bike frames because it offers a stiff and light frame. For a long time, aluminum frames were criticized for providing an uncomfortable ride, but stiffness is a feature of their design. Modern aluminum frames can now offer a smoother ride.

Although aluminum may be used by most major brands for their entry-level bikes, don't underestimate it just because it's used in entry-level road bikes, as there are plenty of premium options. Examples of high-end performance aluminum include the ultralight Kinesis Aethein or the new Specialized Allez. It's safe to say that aluminum is currently enjoying a resurgence of interest. Some manufacturers are working to achieve lightweight frames with this material.

If you're on a budget, or need a light and stiff frame for racing, buy aluminum.

Steel

In the past, steel was the only frame material choice, so buying a new road bike was relatively easy. Steel still has its place and is known for its smooth ride. For this reason, touring and Audax cyclists still gravitate towards it, but modern steel tube sets have generated new interest in high-performance steel road bikes. Even in racing, as Madison Genesis proved with the Volare 953 a few years ago. While steel is not commonly used by large manufacturers these days, its ease of handling makes it popular in the booming bespoke industry in the UK. If you need a customized frame, steel is a good choice.

If you need a custom frame, or prefer a smooth ride and don't mind a little extra weight, buy steel.

▲ICAN Carbon Road Bike

Titanium

Titanium is a highly desirable material for its legendary ride quality, suppleness, and shock absorption. It's also lighter than steel, stronger than aluminum, corrosion-resistant, and the fact that its surface can be polished means it lasts a lifetime. Though it's not as expensive as it was decades ago, it still commands a high price tag.

Titanium can be used to make high-performance race bikes, and we've ridden some good examples over the years, but it's often reserved for sportier Audax and year-round bikes, bikes designed to promote long-distance cycling comfort.

Buy titanium if you want a road bike for life and value a lightweight, smooth ride.

Carbon Fiber

▲ICAN Carbon Road Bike

For many cyclists, there is no other choice but carbon fiber. It's the dominant material in the racing world, the lightest and stiffest of the four frame materials, but it can also be the most expensive. That said, frame prices have come down dramatically. In recent years, it's been possible to buy carbon bikes for less than a thousand pounds.

Carbon is the most flexible of the materials, offering designers a wide range of options for tuning the bike's ride. It's also not limited by tube shapes. Aero road bikes, like this Trek Madone, are a good example of this versatility.

However, not all carbon fiber frames are created equal. There are significant differences between cheaper and more expensive carbon fiber, from the type of fiber used to the manufacturing methods and other important factors that have a big impact. Carbon fiber is relatively easy to manipulate. Designers create frames with specific balances of desired properties, such as lightness, comfort, and stiffness.

If you have the budget and want the lightest, stiffest road bike, or want to go aero, carbon is the recommended choice.