BBB Bicycle Key Type Lock CHAINLOCK 3 Keys Included Thickness x Length 100cm Black 30402 (Chain Lock) 4.5mm BBL-67

Size: 4.5mm x 100cm Color: black quick chain. The combination of a locking system covered in a high-strength steel housing and a sturdy steel chain provides high security. A nylon cover that protects your bike from scratches. 3 keys included.