![13.5 inch frame chrome-moly haro bicycle 13.5 inch frame chrome-moly haro bicycle](https://i.ebayimg.com/thumbs/images/g/ZR4AAOSwqHJhRg~~/s-l300.jpg)
Often considered, that the aluminum alloy 6061 more suitable for bicycle frames, than an alloy 7005, although the alloy 7005 and somewhat more durable. Some other aluminum alloys, for example, 70, stronger, than both alloys 60, but they are not enough suitable for the manufacture of bicycle frames, because they are almost impossible to weld, at least, usually argon-arc welding. Aluminum alloys for bicycle frames 6061 or 7005?Īluminum bike frames are mainly made from aluminum alloys: So most cyclists will not notice a small difference in weight frames, if, of course, they will not have long to climb the mountains on a bike or below.
13.5 INCH FRAME CHROME MOLY HARO BICYCLE FULL
However, the full weight of the bike is often ten times less, than the cyclist in full "battle" attire. Typical frame weighs from 1,5 to 3,0 kg, which is about a quarter of the weight of the bicycle. Weight, or rather the frame weight, It depends on the density of the material and, of course, frame structure, in particular, its thickness pipes. If you want to ride my bike a few decades, your weight is above average and you rarely peel from the saddle, something for you fatigue strength – important factor. Resist material call this type of destruction fatigue strength. Although these voltage and a much lower yield strength material, several hundreds of thousands of cycles they can cause so-called fatigue cracks and, in the end, endurance failure. In normal driving each turn of the pedals, hole or bump in the frame cause small cyclic stresses. Robust frame withstand such impact, and less strong - weak – can not survive. Strength characteristics frame material - tensile strength and yield strength - under normal conditions does not directly affect the ride quality or the thrill of it, but it is essential for resistance to a strong frame, "Emergency" shock.
13.5 INCH FRAME CHROME MOLY HARO BICYCLE TRIAL
Therefore cyclists, who want to win in the sprint and time trial prefer rigid frame.
![13.5 inch frame chrome-moly haro bicycle 13.5 inch frame chrome-moly haro bicycle](https://s3-us-west-2.amazonaws.com/usedphotosna/100862346_614.jpg)
On the other hand, a flexible frame longer flex under load, absorbing part of the energy, which is designed to move forward. Elastic frame soften the blows of the pits and bumps, whereas the more rigid frame will transmit the rider strikes from each pit and bumps. Rigidity determines the ability of a structure to elastically deform: the greater the rigidity, the less elastic displacement of structural elements relative to each other. The quality of a bicycle frame as a structure is determined by four main factors: In the last couple of decades, especially actively looking for new materials for frames, including among aluminum alloys. The shape of the frame in more than one hundred years remained almost unchanged, although with the development of modern technologies and materials, and there are many innovations. This form is also called «diamond» – someone, it resembles a diamond and even, may be, diamond. Rama's modern bicycles are usually made of pipes, which connect to form the so-called "double triangle". However, a well-made aluminum frame will serve faithfully for many years.įrame - the main part of the bicycle and a base for mounting the rest of its parts. On the other hand, frames made of aluminum alloys are more prone to fatigue failure and less maintainable, than steel. In contrast to the steel frames, aluminum does not rust. Their increased stiffness is good for a ride in the mountains or in the sprint, but not to overcome the pits and bumps. Most Velor aluminum alloys have about the same strength and weight, as close to them in the frame price of chrome-molybdenum steel. Some steel frames, mainly children's bicycles, made from a cheaper carbon steel - they are also strong and durable, but heavier chrome-molybdenum, because thicker. Good frame made of chrome-nickel steel has the necessary strength, durability and relatively little weight. Steel frame - it's mostly from chrome-molybdenum steel frame 4130 (more American, Nearest domestic analogue - alloy structural steels according to GOST 30HMA 4543). The last two options - much more expensive than the first two. Carbon fiber is often called "carbon fiber", without bothering to translate from English: "carbon fiber".