1. ENHANCED SECURITY PROTECTION: This bicycle shackle lock is crafted from durable 15mm performance steel, offering resistance against cutting and levering attacks. It's an ideal choice for securing bicycles, motorcycles, gates, fences, and more. Its strong grip and robust construction ensure unmatched safety. 2. LONGLASTING DURABILITY: Our Ulock features a PVCcoated alloy steel design, providing yearround protection for your bike. It's effortless to open, close, and lock, and the included strap ensures convenient storage. 3. USERFRIENDLY DESIGN: Comes with a Ulock and two keys—one for daily use and the other as a spare at home, so you'll never face the hassle of losing access. Easily attach it to your bike stand when not in use for compact storage. 4. INCREASED EFFICIENCY: Simply mount our Ulock to your bike using the practical mounting bracket. The PVC cover not only extends the lock's lifespan but also prevents scratches on your bike. Enjoy the convenience of quick lock storage while riding.