Refined title: Heavy Duty Anti Theft Bike U Lock, 13.7mm Carbon Steel High Security with 2 Keys, Mount Bracket, Extra Long for Scooter Mountain Road Bike

🔒【STRONG AND ANTI-THEFT】: The LuTuo bicycle u-lock is crafted from 13.7mm thickened A3 carbon steel, undergoing a meticulous heat treatment process to enhance its hardness and strength. This robust design provides excellent protection for your bicycle, effectively guarding against cutting, sawing, and smashing attempts. Note: To ensure the absolute safety of your bicycle, it is recommended to park it in a secure location.

🔒【LONGER DESIGN】: In contrast to the smaller u-shaped locks commonly found on the market, our u-bike locks are designed with a larger and longer frame. With an inner size of 9.6 inches long and 4.1 inches wide, this high-security u-lock can effortlessly secure a wide range of bicycles, including motorcycles, mountain bikes, road bikes, scooters, and electric bikes. Furthermore, it can simultaneously lock two bikes at once.

🔒【EASY TO INSTALL】: The included bracket makes it incredibly simple to attach the bike D-lock to your bicycle, ensuring convenient portability. (Note: This cycle U-lock is double-open, so please be cautious when unlocking it to avoid any accidental drops.)

🔒【TWO KEYS】: The bicycle locks heavy-duty package comes with two copper keys, providing added convenience. You can keep one key at home as a backup in case of inadvertent loss. The zinc alloy lock core structure offers superior anti-theft protection, while the dust cover plays a crucial role in safeguarding the lock core, ensuring waterproof and dustproof functionality.

🔒【AFTER-SALE SERVICE】: We offer a 100% warranty, providing the best guarantee in the market. You can rest assured that this u-lock bike lock from us is a reliable and safe companion for your bicycle. If you have any questions or concerns, please do not hesitate to contact us, and we will be more than happy to assist you.

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