Folding Bike Chain Lock, Heavy Duty Alloy Steel, Bicycle Foldable Lock with Mounting Bracket, Anti-Theft Strong Security, with 3 Keys, Glow-in-the-Dark, Solar Charging, Compartment, 79cm/31inch ??Stable and durable? : High-quality folding bike lock made of zinc alloy and ABS, sturdy and durable with high anti-theft, anti-break, and cut protection function. The hamburger lock material is zinc alloy and ABS, providing theft resistance, cut protection, and tamper-proof security. ??Anti-theft and waterproof design? : The lock core is fully sprayed with rubber paint, reducing noise during transport and preventing damage to your bike frame. The waterproof coating ensures durability in all weather conditions. ??Solar-powered glow-in-the-dark technology? : Absorbs sunlight during the day and glows at night, making it easier to find and use in the dark. No batteries required! ??Bicycle lock with 3 keys? : The high-security level lock includes 3 precision-cut keys. Keep one with you and store the others safely in case of loss. Note: The key can only be removed when locked. ?? tracking compatibility? : Features a dedicated Apple compartment, allowing you to track your bike's location using Apple's Find My network. ??Flexible and portable? : Equipped with special rivets, allowing the lock to fold comfortably and flexibly. The included mounting bracket ensures easy installation and portability, perfect for mountain bikes, road bikes, and e-scooters. ?‼️100% after-sales service‼️ : This bicycle lock comes with a 90-day no-reason return or exchange policy. If you have any questions, contact us anytime. To prevent theft, always park your bike in a safe place.