The Vevor bicycle chain lock is a heavy-duty keyed security lock designed to help protect bicycles, motorcycles, scooters, gates, and other valuables. It features a forged steel chain with a 10 mm diameter for strong resistance to cutting, hammering, drilling, and other forced attacks. A soft black fabric sleeve helps protect surfaces from scratches while maintaining a clean appearance. The integrated chain lock design includes 3 keys for convenient everyday use and backup access. Its 47.24" length provides flexible locking options for a variety of parking and storage situations.