The item is a practical anti-theft disc brake lock to protect the motorbikes or bikes from being stolen. Mainly made of premium zinc alloy with surface sprayed, this lock has good and water resistant performance, sturdy and durable to use. Features - Color: Black. - Material: Plastic. - Size: 8.5 x 6.5 x 3 - Anti-Theft. Adopts professional anti-theft tamper proof lock core to be scarcely opened by other keys, keeping your riding partner and your belongings safe. - Auto-alarm and system. Easy to lock. Directly press the lock cylinder and lock it to enter the alarm status at the same time, and you just need to use the to open the disc lock to release the alarm. - 110 alarm device. A blaring siren will go off if there is anyone trying to steel your vehicel with constant shaking and . - Water proof and weather resistant. Full zinc alloy body with surface sprayed, this lock has good and water resistant performance, sturdy and durable to use. - Wide application: for motorcycles, bikes, scooters, etc. 7 mm lock pin diameter makes it possible to fix on most wheels with holes or spokes. Package list: 1 x Disc lock