2pcs Motorcycle Helmet Steel Ring Lock Bracket General Motorcycle Bicycle Helmet Anti-theft Extensions Buckle Padlock Connector _x000D_ Description: _x000D_ _x000D_ _x000D_ 1. Made of aluminum alloy, practical and corrosion-resistant. 2. designed for helmets with quick release buckle. _x000D_ 2. Specially designed for helmets with quick release buckle. _x000D_ 3. Convenient and practical, perfect for locking helmet. 4. _x000D_ 4. You can use similar locking device as this one. _x000D_ 5. Simply insert the crossbar through the helmet buckle into the padlock. This makes it easy to lock your helmet to any part of your bike. _x000D_ _x000D_ _x000D_ Specification _x000D_ _x000D_ _x000D_ Name: Motorcycle helmet lock buckle _x000D_ Material: Aluminum alloy _x000D_ Size: 89*30mm _x000D_ Hole diameter: 13mm _x000D_ Color: Black, Silver _x000D_ Quantity: 2pcs _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_