The customized price of children's mountain bike dental disk varies due to a variety of factors, generally ranging from tens of dollars to hundreds of dollars. Here are some price range references and factors that affect prices:

- Price range:

- Low-end products: usually the price is around 20-80 yuan. This kind of tooth disk may be made of ordinary materials, such as iron or low-quality aluminum alloy, the process is relatively simple, the number of teeth and size may be limited, and it is suitable for ordinary children's bicycles with low performance requirements.

- Mid-range product: the price is about 80-200 yuan. The material will be better, such as the use of better aluminum alloy material, the processing process is more refined, the accuracy and strength of the dental disk are guaranteed, and there may be more tooth number choices and more reasonable design, which can meet the needs of most children's daily riding and general mountain riding.

- High-end products: the price is more than 200 yuan, or even thousands of yuan. This type of dental disc is usually made of high-quality aluminum alloy or other special alloy materials, and is manufactured with exquisite technology, with higher accuracy, better strength and lighter weight. For example, some dental discs using hollow integrated design, special tooth shape or surface treatment technology can provide more efficient power transmission and better riding experience, suitable for children or professional riders who have higher requirements for bicycle performance.

- Factors affecting the price:

- Material: Aluminum alloy material is more expensive than iron, because aluminum alloy is lighter and corrosion resistant; High-end materials such as special alloys or carbon fiber are even more expensive.

- Process: The manufacturing process is complex and the precision of the tooth tray, such as after precision machining, heat treatment and other processes, the price will rise. For example, the tooth tray of the hollow integrated molding process has a relatively high price.

- Number and size of teeth: Different number and size of teeth for different riding needs and bicycle types, special or customized teeth, size may increase the cost.

Brand: Well-known brands usually invest more in research and development, design, quality control and after-sales service, and their product prices may include a certain brand premium.

- Custom requirements: Additional costs will apply if there are special design requirements, pattern printing or personalized customization.