Material: The bicycle chain wear indicator is made of high-quality carbon steel, which has good wear resistance, is not easy to wear, and is sturdy and durable for long-term use.

Size: 14.5 cm long, with a flat design, it is lightweight and portable to carry and store without being bulky and takes up less space.

Easy to use: Insert the chain wear checker into the bicycle chain, if the (.75) end cannot be inserted, the chain wear is normal and there is no need to replace it; if the (.75) end can be inserted, it is recommended to replace the new chain; and if the (1.0) end can be inserted, the chain must be replaced as soon as possible.

Significant bicycle repair tool: The chain gauge can be used as a basic and important tool in daily life, helping you to measure chain wear to determine if a new chain is needed, which can effectively prevent accelerated wear on the flywheel.

Application: The bicycle chain measuring tool can be used for most types of bicycles, a good helper in daily life, keeping your bicycle in normal condition and providing more convenience for most people.