Traditional Culture Encyclopedia - Traditional festivals - What are the bike sizes?
What are the bike sizes?
Common bike sizes are 20, 24, 26 and 28 inches in inches.
When converted, they are 50.8cm, 60.96cm, and 66.04cm, respectively.
1. Usually, there are 3 main sizes of wheel diameter for adult bicycles: 26 inches, 27.5 inches (also known as 650b), and 29 inches (also known as 29er), and folding bicycles are mainly available in 16 inches and 20 inches ( Others are 12-inch, 14-inch, and 18-inch).
2. The values of these specifications refer to the diameter of the outer tire when mounted, not the diameter of the rim. A 26-inch wheelset, for example, has a rim diameter of 559 millimeters, or about 22 inches (1 inch = 2.54 centimeters).
Condition check
Normal riding does not require any technology, but it is one of the most important and basic items in bicycle maintenance. It is important to check the condition of the bicycle before riding, but it is often forgotten, so remember to do the following checks before riding:
Checking the size of the riding position: If you are not riding your own bicycle, remember to check the size of the riding position before riding. your own bike, remember to adjust the saddle to the proper height before riding.
Check the tightness of the screws: check that the quick release for the front and rear wheels and seat post are locked, that the handlebars are securely fastened, and that the other screws are not loose.
Check the tires: check whether the tire pressure is enough, if not enough will be played to the appropriate pressure, check the wall of the tire whether there are cracks, cuts tire tread has been too shallow, if necessary, you must replace the outer tire.
Check the brakes: Try pulling the front and rear brakes to check if the brakes can stop.
Checking the front wrists: Brake the front brakes and rock the car back and forth. If you feel a wobbling gap, the front wrists need to be readjusted.
Check the transmission: After starting, try to change the front and rear gears respectively, whether you can change to each gear smoothly, and whether there is a strange sound.
- Previous article:English composition "How to make sandwiches"
- Next article:Explore the research content of traditional festivals
- Related articles
- China Classical Festival to be Forgotten
- Where is Zhengding furniture wholesale market?
- Which brand of chess is better?
- The significance of learning traditional national sports theory course and how to learn it well.
- Internship Summary Report. Seeking journals, reports, tips, etc. on internships in civil service organizations. 100 points will be added upon receipt. Thanks.
- Teach you ten kinds of fancy steamed buns
- Thoughts after reading "There is a thousand-mile horse in the world, and then there is Bole"
- What does it mean that "there are more people than mountains, and water can't be flooded"?
- Furniture made of paint-free board, there is a strong flavor how to do?
- The public relations industry public relations is the traditional advantage of the program for girls