General description This Motorcycle Anti-Theft Disc Block is designed to protect motorcycles and bicycles while parked outdoors or at home. It features an interior sensor that detects vibrations and movements, triggering a loud 110dB siren to deter potential thieves. The lock emits warning beeps in case of minor collisions, ensuring you remain vigilant about your vehicle's safety. Technical specifications Alarm volume: 110dB Material: Aluminum alloy Battery type: 6 LR44 batteries Battery life: 8-10 months Compatibility and accessories This disc lock is compatible with a wide range of motorcycles and scooters, including but not limited to: Honda 125/SH150 BMW R1200GS Yamaha MT-07/MT-09/T-Max Peugeot Kisbee 50 Piaggio Zip 50 2T Harley Aprilia Buell Kawasaki Suzuki KTM Triumph Zero Installation Use the Allen key to unscrew the 4 fixing screws and remove the cover. Take out the battery set and replace it with the spare battery set, ensuring correct polarity (+ and -). Close the cover and