1. Maximum protection: This bicycle shackle lock offers tier security with its 15mm thick performance steel construction, ensuring a strong grip and resistance against cutting and levering. Ideal for securing bicycles, motorcycles, gates, fences, and more, it delivers unwavering protection for your valuable property. 2. Strong durability: The alloy steel shackle lock, featuring a protective PVC layer and convenient straps for storage, keeps your bike safe year round. It's a durable and user friendly solution. 3. Easy to use: Our U lock includes two keys to prevent loss. Simply attach it to your bike stand for hassle storage when not in use, and carry one key with you while keeping the other at home. 4. Improved efficiency: Effortlessly mount our U lock to your bike using the practical mounting bracket. The PVC cover extends the lock's lifespan and prevents scratches on your bike. Enjoy convenient features that allow quick storage of the lock while riding.