Use this 120db disc brake rotor alarm in tandem with your Rockbros lock or Compact Lock to really keep the thieves at bay. You can lock this immobilizing lock onto the rotor of the disc brake on any electric scooter or e-bike. Once it's locked it becomes a motion sensitive alarm, and prevents the tires from spinning. Shake the lock too much and it will blast at 120db alarm to deter thieves!

• For use on any disc brake rotor
  
• Disc brake rotor alarm comes in 5 colors: Yellow, Black, Red, Neon Green, Light Blue
• Comes with a colored lock, leash, and keys

Compare to Amazon @ $21.99!