General description The CSPARKV Bike Lock is a universal, high-security bicycle cable lock designed for excellent anti-theft performance. Made with high-quality materials, this lock ensures your bicycle remains safe and secure, allowing you to use it with confidence. Technical specifications Lock head material: Zinc alloy Cable material: Steel wire with PVC protective edging Inner diameter of the lock: 8 cm Outer diameter of the lock: 11.8 cm Thickness of the lock: 1.2 cm Usage Can be easily locked without a key Equipped with two high-quality keys Suitable for mountain bikes, road bikes, MTBs, scooters, and city bikes Ideal for students, office workers, and cyclists Other information Portable and easy to carry; can be hung on bike handles or stored in a backpack Unique design allows for disassembly and assembly, enabling connection of multiple locks for added security