Key benefits - Keyless security: unlocks with a 4-digit combination, no key required, so you can leave the bike or scooter without carrying a key. 10,000 possible combinations for strong resistance against guessing. - Strong protection: built to resist common theft tools, with a zinc alloy U-lock that helps prevent hydraulic shear and sawing. Durable and long-lasting. - Low maintenance, high durability: wear-resistant construction designed for regular use, with a black finish that stays looking good over time. - Easy setup and use: simple password configuration at the bottom, allowing quick changes without any tools. Product features - Compatibility: suitable for bicycles, motorcycles, or electric bicycles. - Material and build: lock body and cylinder made from galvanized zinc alloy; outer layer of the lock cylinder made of PC material for anti-scratch protection. - Appearance: solid black color with a clean, simple design; designed for comfortable handling and reliable operation. - Password system: 4-digit combination offers many possible codes for security. How to setup password - The U-shaped lock includes a bottom combination adjuster. - To set a new password: move the dial from position A to B, set the desired 4-digit code, then return the dial to the original position (A). The process is fast and simple. Use scenarios - City bike parking: secure your bicycle on a rack while running quick errands, without worrying about carrying a key. - E-bike or scooter stop: leave your e-bike safe at a cafe or transit hub by using a robust combination lock. - Short-term motorcycle or scooter stop: protect your ride during brief stops in urban areas where key management is inconvenient. This U-lock provides reliable security with a keyless 4-digit combination, durable zinc alloy construction, and a simple password setup, making it suitable for bicycles, motorcycles, and electric bicycles.