Provides solid security for bicycles, greatly reducing the risk of theft at stops, in parking areas, and during daily riding. Password lock design: eliminates the trouble of lost or forgotten keys. Allows setting and modifying multidigit passwords, offering a large number of password combinations to increase resistance to cracking. The operation is simple, and many models unlock by rotating the number wheel, making it easy for seniors and children to use. Lock frame compatibility: many bicycle lock products include a lock frame that can be securely mounted on the bicycle frame. When not in use, the lock can be firmly fixed to the lock frame, avoiding carrying inconvenience and preventing the lock from shaking or colliding with the bicycle during riding. It remains readily accessible for use, making it practical for daily cycling or longdistance travel. Portable folding design: built with multiple sturdy folding components that can be folded into compact shapes. It is lightweight and easy to carry in a backpack or to hang on the bicycle. Particularly suitable for commuters and users who frequently need to carry bicycles for travel, such as stopping at different locations during the commute. Use scenarios Urban errands: stop at shops or services near your route. Secure the bicycle with the password lock while you are inside, and use the lock frame for quick mounting and access during reentry and exit. Daily commuting: carry and store the lock during transit between home, transport hubs, and workplace. The frame mounting keeps the lock accessible and secure on the bike between stops. Longdistance rides and travel: the folding design enables easy packing for trips or multilocation stops. Keep the lock on the frame when riding and fold it compactly when carrying it in a bag or attaching to the bike.