1Durable: Bike lock has excellent heat resistance and hydraulic shear resistance, prevents scratching, and provides excellent safety protection for your bike, with a long service life. 2Security and Anti Theft: Bike lock is equipped with high strength steel cable lock and U shaped lock set, providing excellent anti theft performance, so that your bike can get the best security protection. 3Portable and Practical: The bike U lock has a size of 18x13x2 centimeters, is lightweight, easy to carry and store, and can be carried with the car. It can be locked at any time, making it an ideal cycling equipment. 4Waterproof and Dustproof: The bike U lock can effectively prevent water, dust, scratches, rainwater infiltration, and rust on the lock core. Durable housing ensures that the lock is not worn out during use. 5Adjustable Length: The length of the bike lock can be adjusted, which is suitable for bikes of different sizes, providing flexibility and convenience.