KOVIX Disc Lock Reminder Cable Product Details [Size] Cable Diameter: About 4mm Cable Max Extension: About 140cm-150cm This is a cable that prevents you from forgetting to remove the disc lock. Of course, it can be used for U-shaped locks as well as disc locks. This is an essential item to keep your brake calipers and disc rotors free from scratches. The stretched wire is coated with resin to protect the vehicle from damage. In addition, it can be used as a helmet anti-theft cable using the motorcycle helmet holder. Use it when you use Disk Lock.