Wide Application: Fits various vehicles with disc brakes up to 7mm with holes, such as motorcycles, mopeds, yachts, scooters, ATVs, electric bikes. Premium Quality: This motorcycle lock is made of aluminum alloy, high quality and durable. Waterproof, high temperature resistant, suitable for outdoor weather conditions. Disc Alarm Lock: This alarm disc lock with built-in shock sensors is able to detect vibration and movement. The 110dB alarm system deters potential losses at home or when parking outdoors and is convenient for cyclists when parking outdoors or at home. Easy to Use: Press the alarm lock button to start the locking process. 5 seconds later, a "beep" will sound to indicate that the alarm has been activated correctly. Use the key to unlock the alarm. The compact size is very convenient. Bonus Accessories: The motorcycle lock includes a reminder cable. The eye-catching yellow color reminds you to remove the disc lock before riding.