1. MAXIMUM PROTECTION: With an extremely level of security, this Ulock for bicycles is made of 15 mm performance steel to ensure a strong hold and withstand cut and lever attacks. Suitable for securing bicycles, motorcycles, gates, fences, etc., to ensure safety after a valuable training session. 2. LONG DURABILITY – Our Ulock features a PVC coating and an alloy steel construction to protect your bike yearround. Easy to open and close, and comes with an included strap for convenient storage. 3. Easy to Use: The Ulock includes 2 keys to prevent loss. Attach it to the bike mount when not in use, and carry one key daily. Keep the spare key at home to ensure your bike stays secure. 4. Practical – Use the included mounting bracket to keep your Ulock secure while riding. The PVC protective cover extends the lock's lifespan and prevents scratches on your vehicle. Enjoy the convenience of outdoor storage features.