The numbering of used frames is in the gray zone. There is a reason for number scraping: However, number scraping is a product with a translation. Overseas bikes may or may not have a serial number. There are some parts usually sold separately. Some bike parts have no serial number: The bike is not a collection of individual parts. There is a number engraved on the top tube in front of the frame, and it is the bike serial number. There is a stamp on the frame for domestic bicycles, city cycles, and common bicycles. It is a number for product management that has no unique format as the manufacturer and factory decide arbitrarily. Meaning of bicycle serial number: As mentioned above, the body number of the bicycle is the serial number. For any accident, the police officer will only look at the crime prevention registration. The number is vital in product management, but it is not so essential in crime prevention. Otherwise, wheels and cranks also have serial numbers. It is an industrial serial number that is on the frame. General commercial bicycles have a body number.

Vintage mongoose bmx serial numbers