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What is the difference between carbon fiber road bicycle frame and aluminum frame?

2016-06-13

 For questions do have some differences, as big, most low-end and top-end carbon aluminum, attention, plus the difference between the wheel kit group (difference 500 Australia knife sora suite and top DA suite is huge, not to He said a carbon wheel), probably to (325-314) /314=3.5% extra power, but also four seconds slower. Why the big difference? Please judge for themselves.

 

What is the difference between carbon fiber road bicycle frame and aluminum frame?

 

If it is not money, no sponsorship, beginners, exercise component> prize-winning (or by self-fulfilling life bonus), take a low-end aluminum train car no problem. Some people even suggest that you direct the low-end entry-aluminum, but to spend some money on a power meter (easy to assemble and inexpensive stages) training.

In fact, many people (including me) to get additional training with a bicycle is a cheap.

If you have money or sponsorship, and participate in the competition more desire on the podium, not just to the top-level carbon frame, you also need a wheel kit top. A 10 km climb may be able to save you 10 seconds -100 seconds (compared to an estimated 500 Australian knife bike). Do you know the Tour de France What is the concept? Perhaps a stage victory, and his honor.

If the experience, of course, the more expensive the better, the difference is big.Yen value (forced grid) on your good goes without saying.

On the game, to see what the Tour de France with it (of course, and sponsors also related to not appear there are many good or even better, such as lightweight wheels), a significant difference (several tens of hundreds of seconds / Each secondary slope ).

Comfort, I think you look at the Paris Roubaix classic race is still riding Tibet. Paris Roubaix sure Needless to say, what s-works roubaix, top domane, top defy, custom top tube tires carbon wheel that is necessary. If you are riding comfort to Tibet, and the relationship is not so big frame, put your pad a few more stem gasket (just as Armstrong), then take the tube appropriately reduced, another good cushion.

but,
The training effect, as long as you have a power meter and a reasonable training program. Aluminum frame? Do you want to add a sandbag him back will do.


Riding commuters, some difference, if you top carbon fiber stolen certainly more distressed.


Let me talk Conclusion: Carbon fiber far better than aluminum.

A mechanical properties
According to Young's modulus data, 6 series aluminum alloy only 69-79 (GNm ^ -2), while the elastic modulus carbon fiber can reach 200 (GNm ^ -2). The higher the modulus of

elasticity, which means that after the elastic deformation force will be smaller. Popular, a carbon fiber frame is stepped up more "hard" better "force."

Second, weight
The density of the carbon fiber is 1.8 g / cc, aluminum is 2.7 g / cc. But in fact, many times butted aluminum frame through, the weight can be made even closer than part of the carbon fiber frame.

But the smoke pipe is limited. Lightest carbon fiber frame can be done within 700g (Merida Scultura 9000 LTD, production), but aluminum is difficult to enter 1000g (Canon Dell CAAD12, production).


Third, the durability
This controversy is relatively large, many people feel durable aluminum alloy, but the reality is not so. In fact, there are two kinds of non-durable factors.

Aluminum stress concentration can cause metal fatigue, so that strength decreased. According to experience, usually in 5 - 10 years to produce. The higher-end due to multiple butted aluminum frame, making the thin wall, the so-called "cans" in by the impact, easily deformed when the bump.

Carbon fiber is the presence of shear force is weak, epoxy resin easy to aging, anti-impact sharp objects weaker problem. But with the development of science and technology, such as nanotechnology, the use of woven cloth, etc., some of the problems of carbon fiber is gradually resolved.

Fourth, the appearance of
The use of aluminum tubes welded bead will leave. Although manufacturers bead has handled it well, but it will inevitably leave marks. In addition the overall frame of aluminum due to multi-connected by a straight line form, will seem a bit stiff, rigid.

The basic method of forming the carbon fiber is spread in a mold and then flows into the resin fiber sheets and baked. It can be made into various shapes, the overall look agile angry.

Fifth, the tide of history
Aluminum frame to get the last big tournament championship ring already thing 12 years ago. In 2004, Cannondale introduced CAADB, this car help library Ge (Damiano Cunego) won the Giro championship. Now, we have the aluminum alloy is difficult to see any figure in the professional game.

Do not know the difference between what aspect you are more concerned, I would simply say that the feelings of the performance outside.


I've ridden the little car, long ride only one aluminum-carbon, the remaining few are by others rub a small ride. But the feeling is still very obvious, carbon frame road feel really good, especially for small vibration filter very well, riding up and feel that is very cool Q people can not stop feeling that compared to my previous aluminum frame


Britain feels relatively hands.

As for what hard not hard, my level is not enough, not step on or feel any strain or the like. If you're not a professional athlete, I think performance down do not think too much, although objectively speaking, carbon frame has weight and rigidity advantages, but also can reduce drag by shaped design, but in the equipment could not squeeze all the strength out of the amateur riders embodied not be too obvious, to enhance their performance really is better to count on the frame legs and cardio Enhancing better effect, it is not to fight the results to eat, not enough fun riding it.

Finally, the carbon skeleton life also did not imagine the unbearable, aluminum as well as cumulative metal fatigue yet. Anyway, this thing as a frame of the bicycle infrastructure no accident, then before you change basically not bad.

My advice: optimistic budget, conditional on carbon as possible, the road feel rushed impress. Do not buy a cottage carbon.

Now begin civilians carbon frame, low carbon price all the way down, and I have seen a lot heavier than ordinary aluminum frame carbon frame. This is really difficult than, different levels of carbon frame aluminum frame difference is quite large. As for the road feel, shock-absorbing carbon frame have an advantage, but does not mean soft, real soft steel is, it is only the genuineness of soft

Top aluminum is aluminum better low-end carbon in the low carbon level is good, is of a different class differences, of course not to say that aluminum is not good but the characteristics of the carbon itself bring better aluminum carbon has its own advantages but the road feel the strength and toughness of view aluminum is unsurpassable foreign videos smashed with a hammer smashing down a lot of carbon to carbon frame cut the apparent elasticity of the aluminum look to a pit not to say that the aluminum material but bad decisions


Carbon fiber will fully replace the aluminum alloy as the movement of the bicycle frame carbon fiber material weaknesses in those early basic technique has been largely replaced by a carbon fiber material as structure material in all respects far beyond the top of the aluminum alloy material of carbon fiber material and even the surface hardness shear strength aluminum alloy to achieve unattainable height I have seen amazing car shop rockshox sid worldcup truncated version of the fork tube carbon fiber tube compared to the low-grade aluminum fork on steel pipe cut off high-end fork are struggling tube cutter is not used on the final sawing or eight years ago that black box technology today cannondale carbon fiber top himod bulletproof carbon fiber frame using aluminum frame knock rocks, no problem can have a bad knock bulletproof carbon fiber no problem but the price is extremely high price of carbon fiber top sports equipment has begun to replace the aluminum disc cylinder axis even abalone dental plate disc rim stresses these complex structures have begun to replace the aluminum BTW car aluminum seat rail is not only competent titanium steel and carbon fiber carbon fiber and aluminum can be applied to cushion the rail freely ye not feel the only drawback now top carbon fiber is expensive

Yes, indeed a substantial difference in the carbon fiber material in strength, weight, road feel are leading aluminum frame.
Of course, in addition to price, the price is not that players in the game will be focusing on.

So the main question is concerned, I think that should be selected according to the needs of the vehicle.

If you buy a road bike for training and competition, competitive, then carbon fiber is definitely the best choice. At present all kinds of bicycle race almost hard macrocyclic frame carbon frame outside. They go along with PRO sure.

If you buy the car for road riding, riding, commuting, etc., I think the more appropriate steel. Those excellent long-distance touring, mostly steel design. Follow these choices is correct.

I think now, for a child is eight by sports, game road vehicle use, must be almost carbon fibers. If the car is riding on weekdays to commute, I would think that the wagon would be more appropriate.

 

 


Source:zhihu.com

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