1. This four-digit combination lock for bicycles is designed for mountain bikes and ordinary bicycles, making it a good choice to protect your beloved bike when traveling. It is suitable for both men and women, as well as those who prefer a neutral style. 2. It is made of metal, which is sturdy and durable, providing reliable anti-theft protection for bicycles. With a combination ring lock design, you can freely adjust the four-digit combination to set your own exclusive password, eliminating the worry of losing keys. 3. The overall design emphasizes both practicality and aesthetics. Its simple and fashionable appearance adds a unique charm to the bicycle. 4. This product is in stock, so you don't have to wait for a long time. You can quickly own it and start a worry-free cycling journey. Moreover, it is not restricted by geographical location. Whether on the vast land of Africa, the romantic streets of Europe, in the tropical scenery of Southeast Asia, or in different environments in North America, Northeast Asia, and the Middle East, it can demonstrate excellent anti-theft performance.