Does your bike often make "screams"? This comes from the brake system on the bicycle. The screams of tens of thousands of mice are produced at the moment of braking so that the braking surface of the brake disc and the brake disc are mixed with grit. The hardness of the grit on the attached surface Different, the hardest grit is used to force the sheet to make a sound of metal rubbing at high speed.

In fact, as long as you do a good job of cleaning, you can use a clean cloth to clean the brake surfaces of the discs and discs or rinse them with water, but it should be noted that the braking surface should not be stained with oil during the cleaning process, otherwise it will be difficult to remove Oily.

When cleaning, you should first clean the pads and discs. After putting them in a clean place, clean the various stains on the clamp. If you are washing with water, please remove the wheels and rinse the stains on the clamp. This will work. It can effectively avoid the secondary pollution of oil pollution and the residue of fine sand. After washing, please dry the excess water before installation to ensure that it is foolproof.

Zhejiang Hangyi Bicycle Manufacture CO., LTD. sells classic city bicycle and 700c fixed gear bike. If you need to buy bicycles or related parts, you can contact us: https://www.hangyicycle.com/product/city-bike/