China City Bicycle Manufacturer introduces bicycle maintenance techniques:

1. Inflate bicycle tires properly
Pay attention to the right amount of bicycle inflation. If the tire is under-inflated, the resistance is increased, the driving is laborious, and the tire wall is easy to be broken; if the tire is over-inflated, the wheel loses elasticity, the turbulence is severe when driving, the tire is subjected to excessive force, and the cord layer in the tire is easily broken and shortens the use. life. In addition, when the bicycle is not being used for long-term storage, the amount of air should also be pumped.

2. Tips for uniform force on tires
The front wheel of a bicycle wears a lot on both sides of the tire due to turning; the front tire wears faster because of the heavier pressure on the rear wheel. It is best to exchange the front and rear tires once a year, and change the left and right sides of the front and rear wheels. The direction makes the two tires wear roughly the same. When you go to the bicycle repair shop for maintenance, you can ask the instructor to help you replace it.

3. Tips for maintenance of bicycle parts
The electroplating layer of the bicycle is dusted off with a dry cloth and coated with neutral oil (such as sewing machine oil); the paint film of the bicycle body is wiped with a feather broom. Do not rub with oil or expose to the sun; any bicycles that are coated with varnish can not be polished with car wax, because the paint will fall off; after the bicycle is exposed to rain, use a dry cloth to absorb moisture to prevent rust; bicycles The shaft, flywheel, front fork, pedals, etc. should always be greased or lubricated, and the flywheel should be lightly greased. Bicycles are washed with kerosene once a year. Be careful not to place bicycles near heaters, kitchens, coal stoves, etc. to avoid carbon monoxide gas corrosion.

4. Tips for repairing an empty bicycle
The main reason is that the jack spring in the flywheel is malfunctioning, worn or broken. The repair method is to clean the flywheel with kerosene so that the jack spring is not stuck, or correct or replace the jack spring.

5. Tips for repairing out-of-round wheels
Bicycle wheels are not round because of uneven tightness of each part of the rim. When adjusting, you can use chalk to measure the flat part of the rim, then loosen the rim in this area, and tighten the width of the rim to correct it.

6. Tips for repairing bicycle brake failure
The failure of the bicycle brake is very dangerous, especially when traveling, pay special attention to it. Teach you a little trick: First loosen the loose brake screw nut, tighten the brake so that the distance between the brake shoe and the rim is 3-5 mm, and then tighten the brake screw nut. If the left and right brake shoes are asymmetrical, they should be installed. The front and rear wheels, or eliminate the axial flutter of the rim, or correct the brake fork.

Through the above introduction, China Beach Bike Manufacturers hopes that you can simply refer to the content of this article in future use.
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