NDakter Bike Locks Heavy Duty Anti Theft, Bicycle U Lock for Ebike, 18mm Shackle with 3 Keys for Electric Escooter, Mountain & Folding Bike, Tri-Bike Wheel Lock Sturdy

Features

• Larger Size & Upgraded Anti-Theft Performance: This ergonomic heavy-duty anti-theft Bike U lock weighs 1.8 lbs. Its shackle is crafted from 18mm hardened steel and can withstand hydraulic cutting force up to 12 tons for superior security. Exterior dimensions: 8.15 x 4.9 inches; interior dimensions: 5.9 x 2.6 inches. It firmly secures wheels or frames of bicycles, e-bikes, strollers, mopeds and scooters to posts, fences or poles
• 3 Backup Keys for Peace of Mind: Includes 3 solid brass keys that resist bending and breaking. Keep one with you and store the other two at home or in the office, so you'll always have a spare if your primary key is lost or forgotten. Enjoy worry-free access to your bike whenever you need it
• Dust Cover & Silicone Protection: The keyhole is protected by a built-in dust cover that helps keep out sand, dirt, and debris to prevent blockage and ensure smooth unlocking. The heavy-duty 2.5 mm silicone cover adds water resistance while helping resist rust and corrosion. It also protects your bike frame from scratches, keeping both your lock and bike in great condition
• Versatile Security: Use the U lock alone or together with the included steel cable to secure up to 45 bicycles. It's also ideal for protecting e-bikes, motorcycles, scooters, gates, fences, grills, ladders, toolboxes, sports equipment, lawn mowers, lawn equipment, and more. Note: Mounting bracket is not included
• Advanced Protection & Great Gift Idea: Designed with a double deadbolt locking system and a precision-engineered high-quality zinc alloy lock cylinder, this U lock helps resist cutting, sawing, hammering, drilling, picking, and leverage attacks for enhanced theft protection. It also makes a practical gift for students, family members, friends, and cycling enthusiastsespecially those who regularly park their bikes on campuses, outside cafs, or at shopping centers