Checks if your chainring teeth are worn-out
The Connex Chain Ring wear indicator tool allows you to check whether you need to replace the chainring or the single speed sprocket to protect your chain from excessive wear.
It is fast and simple to use and compatible with all bicycle chainrings and single sprockets (not suitable for use on cassettes)
Easy to use
Laser cut stainless steel
Handy format in pedal design
Precision made in Germany
Suitable for chainrings or single sprockets