Features1Zinc alloy lock head is anti-theft and anti-pry, sturdy and durable, anti-corrosion and anti-rust. 2The integrated PVC wraps the lock body, feels comfortable, has a long service life, and can effectively prevent frame from being scratched. 3Doublesided blade antitheft key, the key is complicated and difficult to copy, which improves the security and antitheft performance. 4It is convenient and quick to lock, no key is needed, and it can be locked by gently inserting it. 5It can be held with one hand, and the ring shape is small and mini, which can be carried with you. The side reflective strip design makes it safer to ride at night.SpecificationCondition: Item Type:BicycleRingLockMaterial: Zinc Alloy, PVCSize: Approx. 140 x 110mm/5.5 x 4.3inLock Ring Thickness: Approx.12mm/0.5inPackage List1 xBicycleRingLock2 x Key