ROCKBROS Bike Lock Set Heavy Duty Bike U Lock with 4 Ft Security Steel Cable

Enhanced Security: Our brand-new bicycle U lock features an 18.76mm U lock and a maximum 25mm hardened steel shackle, along with a 14.73mm carbon steel alloy body. It is designed to withstand bolt cutters and leverage attacks, ensuring maximum protection for your bike.(If you buy a group and do not receive the steel cable, please contact us and we will resend it for you!) Additional Security Cable: This combination includes a 4 Ft Security Steel Cable for added security. The cable is made from durable steel and provides an extra layer of protection, allowing you to secure both your bike frame and wheels. Protective Coating: The U lock is fully covered by a 4-11mm premium silicone coating, preventing scratches and damage to your bike's frame. This weather-resistant coating also protects the lock from rust, ensuring its longevity even in harsh weather conditions. Convenient Key System: With 2 non-rust keys included, you have spares for backup and convenience. The keys feature a complex serpentine slot design, tested to withstand various weather conditions. Remember to fully remove the lock before unlocking to prevent key twisting. Versatile Usage: This U lock and cable combination is suitable for a wide range of bicycles, including road, mountain, and scooter bikes. Its inside dimensions of 5.95.32'' and outside dimensions of 8.37.28'' provide ample space to secure your bike to various objects, such as metal posts and bars.