Durable: the lock surface is covered with anti-skid silicon coating to prevent cutting. With anti hammer, anti saw, anti cutting, anti drilling and other functions, high security, do not have to worry about thieves! Comes with a mounting bracket, so this bicycle U-lock provides the best protection for your bicycle, whether indoors or outdoors. Scratch resistant silicone design: the surface of bicycle U-shaped lock is covered with soft silicone, which has anti-skid function, so that you can hold the lock more firmly. It is wear-resistant and durable, and can be waterproof, antirust, dustproof and antifouling, which can better protect the surface of the lock, so as to prolong the service life of the lock. High quality silica gel can effectively prevent scratches and ensure that your bicycle frame will not be scratched or damaged. Easy to install and carry: buy a bicycle U-lock and you can get a mounting bracket for free. You can put it in your bag or use an additional mounting bracket that you can install under the bicycle seat tube. This convenient installation method enables you to quickly store the bicycle lock when cycling outdoors, which means you can carry it with you and provide security for your property. It is the best safety tool to protect your bicycle. Wide application: in addition to locking bicycles, the lock can also be used for electric bicycles, motorcycles, skateboards, strollers, ladders, fences, barbecue racks, lawn mowers, office doors, store doors and sports equipment. According to the distance of the parking position, decide to use the bicycle U-lock alone or together with the auxiliary cable to make your property safer.