A worn chain slides slowly and quickly wears out the sprocket.
For this reason it is important to check wear with the Unior 1644/4 tool, made of precisely laser cut steel.
- Use:
The tool is a "go no go" gauge designed to accurately indicate when a chain is worn.
Measurement: from 0 to 0.6 % - there is no wear. 0.7 to 1.2% - the chain is worn out and needs to be replaced.
Reviews