Purchase Instructions:

1, the bicycle line pipe is generally made of carbon steel, although its durability is significant, but due to the material characteristics, oxidation rust is easy to occur in the direct contact with the air.

2, this phenomenon is only limited to the part exposed to the air, the installation line cap will be covered, effectively maintaining the appearance of the beautiful and the overall performance of the product.

3, whether it is high-end brands such as Jiawei or Shimano, their tubes may encounter the same situation, which is the inherent property of the material, not quality defects.

Users do not need to worry, this phenomenon has no substantial impact on the riding experience and safety performance, is generally recognized and accepted in the professional field of material characteristics.