1. Unyielding security: Made of durable 15 mm performance steel, this bicycle shackle lock maximises protection against cut and lever attacks. Its impressive barrier provides unyielding safety for bicycles, motorcycles, gates, fences and more, making it the ideal choice for protecting valuable items. 2. Wearresistant material: Ensure the safety of your bike with our Ulock, which is made of alloy steel and coated with a PVC layer for extra safety. Its sturdy design features straps for convenient storage, making it easy to use and a musthave for any bike owner. 3. Convenient to use: The Ulock comes with 2 keys to prevent loss. Attach it to your bike stand when not in use and carry 1 key for daily use. Leave the other at home and keep your bike safe. 4. Practical function: With the practical mounting bracket of the Ulock, you can easily store your bicycle lock when cycling. The durable PVC cover protects your bike from scratches, extends the life of your lock, and increases practicality.