QA

Question: Should I Buy A Carbon Mountain Bike

Should you buy a carbon MTB?

Carbon comes in stiffer than aluminium, so if you want a razor sharp, ultra-responsive ride then it’s the best choice, especially if you’re a cross country racer. But for enduro/trail and downhill riders, the extra bit of flex and forgiveness provided by alloy could be worth considering.

Do carbon mountain bike frames break?

Carbon, however, is not like steel or aluminium in the way it reacts to stresses because it is not a metal. It is a composite material. Carbon frames can break certainly, and we’ve seen more than a few torn, crushed or punctured tubes come through our office, but the method of failure is different.

Should you buy a carbon bike?

For the lightest frames in production, though, carbon is the best option. A carbon frame with low-end components can end up weighing the same or more than a nice aluminum frame with high-end components. Wheels, in particular, will make a huge difference in bike weight and how heavy it actually feels when riding.

Are carbon mountain bikes fragile?

Myth: Bikes made of carbon are more fragile than aluminum or steel models. Reality: Carbon frames are relatively strong and can withstand a significant amount of force, but only if it’s applied in the direction engineers intended—for example, road shock from a pothole.

Do carbon fiber bikes break easily?

When made well, carbon fiber can be tougher than steel and quite safe. But when made incorrectly, carbon-fiber components can easily break. Unlike with other materials, if you overtighten carbon-fiber parts, they’re likely to shatter down the road.

How long does a carbon MTB frame last?

It is estimated that a carbon fiber mountain bike will last for around 5 to 7 years. Carbon fiber bike frames used to be susceptible to UV damage, but this is no longer the case.

What happens if you crash a carbon bike?

While carbon is lighter, stronger, and more flexible, the bikes will shatter in a violent collision, hurling the rider to the road and exposing the rider to more serious injuries. Further, even if the carbon does not shatter in a crash, it may have cracked, causing the rider to be riding on a ticking time bomb.

How much difference does a carbon bike make?

However, a small experiment conducted recently by Cycling Weekly demonstrated that a cyclist generating 200w of pedalling power on an aero carbon bike was 1.7kph faster than on a lightweight carbon bike – extrapolated over four hours riding they claimed this would translate into an extra 6.6km distance travelled.

Is it easy to damage a carbon bike frame?

Hansell says, ‘It’s quite hard to damage carbon “just a little bit”, so if it looks like a crack then chances are it is a crack. ‘Also, the elasticity of carbon fibre is usually less than the paint, so if the paint is cracked, there’s a high chance there’s been some kind of trauma to the carbon too.

Why are carbon fiber bikes so expensive?

7 The real magic—and cost—is in the layup. Carbon fiber is a great bike material for two reasons. That—and the cost of the High Modulus carbon needed to realize the most heavily tweaked designs—is what makes the nicest carbon-fiber bikes so much more expensive than even their mid-line peers.

Is aluminum stronger than carbon fiber?

For example, different carbon fiber materials are available with higher stiffness or strength, often with a trade-off in reduction of other properties. This chart shows that carbon fiber has a specific tensile strength of approximately 3.8 times that of aluminum and a specific stiffness of 1.71 times that of aluminum.

Is a carbon bike faster than Aluminium?

It depends what the bike is being used for. I found for cyclo cross, carbon does go faster than aluminum. On the rough stuff carbon floats over the bumps the the aluminum sends the hit straight back at you slowing you down.

Does carbon fiber have a fatigue limit?

Carbon fiber composites have no fatigue limit, but that is not really the question to ask, since they do not behave like isotropic, hard (i.e., brittle) metals. But being a matrix, carbon is less predictable in its failure modes under fatigue.

Is carbon stronger than steel?

Carbon fibers are classified by the tensile modulus of the fiber. Thus, the strongest carbon fibers are ten times stronger than steel and eight times that of aluminum, not to mention much lighter than both materials, 5 and 1.5 times respectively.

Are carbon Hardtails worth it?

For our money, the feel of carbon is superior to aluminum, and may, in fact, be worth the upgrade cost in itself. There are two major factors that we see as a benefit of a carbon frame over an aluminum one: dampening and torsional stiffness.

Does carbon fiber go bad?

Quality of Carbon Fiber First up, we have to explain the material that gives carbon bike frames their name – Carbon Fiber. And this section will take up a bit more than the others. Carbon Fiber has virtually no shelf life and it doesn’t rust like the metals used on most bikes.

How do I know if my carbon bike is damaged?

Look closely for scratches, especially anything deep or through the paint. With a dollar coin, tap on any suspect area and listen for a change in sound. A normal “tap” sound will become a dull thud when the carbon is broken. Gently push on the suspect area to feel if it’s softer than the surrounding area.

How long do carbon fiber forks last?

Based simply on fatigue life a well made and properly installed composite fork should last virtually indefinitely if the bike is not crashed or otherwise abused. From Easton: There are two failure modes that could cause a fork to fail, fatigue or impact.