The bicycle is indispensable in the daily life of the vehicle, has the advantages of low cost, simple repair, convenient use, deeply loved by the people all over the world, forming a huge bike consumer market, with the fast development of modern society, the bicycle is not only the traffic and transportation, has the functions of body-building, tourism, competition etc.. And workmanship bike grade depends on the choice of material. Typical low, in high-grade bicycle frame, respectively made of carbon steel, chrome molybdenum alloy and aluminum alloy and carbon fiber. Carbon fiber is a new type of composite material, it has the advantages of light weight, high specific strength, the stiffness of the,
But also can be designed and easy molding, which makes the structure design more efficient.
