Bike Lock, 17mm Heavy Duty Anti-Theft Bicycle U-Lock with Mounting Bracket and 3 Keys, High Security Alloy Steel Bike U Locks with Silicone Cover for Bicycles, E-Bikes, Scooters, 7.87 x 4.8 in

• BOOSTED SECURITY & ANTI-THEFT: Engineered with a premium zinc alloy lock core and a robust alloy steel shackle, this U-lock can withstand up to 12 tons of hydraulic shear force, easily resisting heavy-duty bolt cutters. It offers superior anti-pry and anti-smash protection to keep your bike safe anywhere.
• CONVENIENCE & PEACE OF MIND WITH 3 KEYS: Never worry about losing your only key again. Our heavy-duty bike lock comes standard with 3 keys. Carry one with you on the go and keep the other two safely stored as backups at home or in the office for total peace of mind.
• PORTABLE, STURDY & FRAME-FRIENDLY: Measuring 7.87 x 4.8 inches and weighing just 1.65 lbs, this 17mm (0.67") thick bike lock is tough yet highly portable. It features a 0.1-inch thick protective silicone coating that isolates the metal lock body, protecting your bike's paint from scratches and preventing annoying rattling noises while you ride.
• EASY & SECURE INSTALLATION: The included mounting bracket is incredibly simple to install and holds the lock securely. It perfectly fits bike frame tubes between 1.02" (26mm) and 1.5" (38mm) in diameter. Just attach the bracket with the anti-slip pad, tighten the two screws, and enjoy smooth, one-handed storage and removal of your U-lock.
• VERSATILE USE & GREAT GIFT: Beyond just bicycles, kids' bikes, e-bikes, and scooters, this heavy-duty U-lock is perfectly sized for securing ladders, barbecue grills, lawnmowers, sports equipment, and gates. It makes a thoughtful, practical, and reassuring gift for family, friends, and any cycling enthusiast.

Parts List: 1 x Bike Lock 1 x Lock Bracket 3 x Key Description： This U lock features a zinc alloy lock cylinder and alloy steel shackle . It can withstand hydraulic shearing force up to 12 tons and resists cutting by bolt cutters . Equipped with a 0.1inch thick silicone outer cover , it protects the bike paint from scratches during locking and unlocking . Key Feature : 【 Thoughtful Present Idea 】 This bike lock is also a practical and thoughtful present for family , friends and cycling enthusiasts . Specification : Product Name : Bike Lock Size : 20x12.7cm/7.87x5in Shackle Diameter : 0.7in/18mm Inner Lock Dimension : 15x6.5cm/5.9x2.56in Material : Silicone , Alloy Steel , Zinc Alloy Color : Black