Designed by expert engineers, the Kovix Steel Folding Bicycle Lock provides robust, reliable protection against theft with advanced features. The 120 decibel alarm activates upon any attempt at tampering or unauthorized access, and the lock incorporates a disc-style lock cylinder with high resistance to prying and manipulation. The 220mm internal locking space accommodates a variety of bike sizes, and the folding plates are coated to help prevent scratches on your bike frame. A mounting bracket is included for storage and folding when not in use.