A3 iron lock body The bike lock uses an A3 iron lock body for robust anti-theft and shear protection. It is thoroughly tested for impact resistance and strength to deter theft. PVC protective layer The shackle is made of durable steel and covered with a protective PVC layer. This provides strong anti-theft protection while resisting water, oil, dust and other environmental factors to keep your bike protected. Portability and stand Includes a portable stand for easy access and transport. It is convenient for outdoor use and helps keep your bike safe and protected when using the U-lock away from home. Double anti-lever technology The lock core and needle are specially treated to increase unlocking difficulty, delivering an advanced locking mechanism for enhanced security. Practical use scenarios - Daily commuting on campus or at work: secure your bike at racks or storefronts with confidence. - Errands and shopping trips: quick, reliable locking during short stops in town. - Outdoor trips and travel: protect your bike during camping or hostel stays when you are away from your usual storage.