Sturdy and Durable - High quality zinc alloy and ABS lock, sturdy and durable with high anti-theft, anti-breaking and anti-cutting function. The material of the bike lock is zinc alloy and ABS special material, which serves as anti-theft, anti-cut and anti-tampering. High anti-theft - Carry 5mm steel rods, embedded rivets and anti-drill lock cylinder from Finland to increase the safety of the bicycle. Anti-theft class 8/12. The inner structure of the lock core is complex, and the design is mature and stable, difficult to copy. Foldable size and easy to install - Flexible bike lock can be folded into a cylinder. With mounting bracket, can be hung on the seat post or bike frame. Ideal lock for cycling enthusiasts, scooters and other items. Anti-theft and waterproof design - The surface of the lock core is fully sprayed with rubber paint, and the shockproof bumper during transportation reduces noise, effectively prevents damage to the bicycle frame, and can directly be locked on the lock frame to protect the folding lock and prevent the lock from being locked. Quick Installation and Easy to Carry - Convenient, high-quality mounting bracket, installation takes only a few minutes. After testing, it can lock three bike tires together or lock the bike to a telephone pole or other safe place. Lightweight, compact and flexible, this bike lock fits most bikes and is easy to carry with special rivets for easy folding. Never worry again.