Anti-Theft Long U-Lock | Adjustable Rustproof Waterproof Heavy Duty Bicycle Padlock | Multifunctional Carbon Steel Cycling Security Lock Accessories for Motorcycle E-bike Baskets and Doors

Dimension: 43cm x 13cm [Durable and Sturdy] The bicycle U-lock is made of heavy-duty, thick carbon steel and zinc alloy lock core. It has high security and cut resistance, reliable quality, and is strong and durable, ensuring your bicycle has more secure protection.[Keyless Anti-Theft U-Lock] This security only needs the password to lock and unlock. There is no need to bring any heavy keys that are sometimes misplaced too. It is resistant to cutting, sawing, and prying, so it has excellent safety and can effectively prevent theft.[Waterproof and Dustproof] The bicycle lock's outer layer is coated with thick PVC material, making it waterproof, dustproof, and resistant to scratches. This prevents rainwater from penetrating and protects the lock core from rusting, ensuring durability during use.[Easy to Use & Carry] Portable, easy to carry, and store anytime. Just make sure that the assigned combo numbers are on the same convex line when opening. The U-lock length is adjustable from 18cm to 34cm according to your preferred usage.[Wide Application] This bicycle U-lock can be applied to all types of bicycles and can be used in office doors, warehouses, gates, fences, and store doors. With our bicycle U-lock, you can get maximum security.Please note: do not forget the newly set password; otherwise, the lock will not be able to be opened.