- Compatible with all bicycle chains
- For modern 9 and 10 speed chains, replace chain at or just before the 0.75% readings
- For 11 speed chains, replace at or just before the 0.5% reading
A password reset email has been sent to the email address on file for your account, but may take several minutes to show up in your inbox. Please wait at least 10 minutes before attempting another reset.
Registering for this site allows you to access your order status and history. Just fill in the fields below, and we will get a new account set up for you in no time. We will only ask you for information necessary to make the purchase process faster and easier.Create an Account Login
To alleviate poor shifting and uneven drive train wear, manufacturers recommend chain replacement before rear cog replacement. Now you can quickly and accurately determine the wear and stretch of any chain...