1This lock applies to bike, glass door, motorcycle or electric bike and more. 2Made of zinc alloy, this lock is beautiful and lightweight. 3 This 4-digit combination password offers a choice of 10,000 password combinations. U-lock combination with user-adjustable steel ball click combo gear system with 10,000 possible variations Sturdy hardened steel shackle resists cutting, trimming and lifting NEW double-coated rubber strip cover protects paintwork and surfaces This is a 4 digit U password lock that can lock your motorcycle and motorcycle or glass door. This zinc alloy lock. so it's nice and easy. This lock has a 4-digit combination password, so you can choose between 10,000 combinations, e.g. B. 1111 or 2222 or 1234, this password defines youThe operation method is simple and easy to understand.