Diyife 18mm Bike Locks Heavy Duty Anti Theft, 10.24''x7.1'' Large Size — Open-Box, 18% Off

【No Key Needed, Ultra Convenient & Secure】 Say goodbye to the hassle of losing, damaging or forgetting your keys! This 4-digit combination bike U-lock is resettable, boasting 10,000 unique password combinations for upgraded security. If you ever forget your passcode, we include 2 reset keys to help you recover it (Please note: these keys cannot unlock the lock directly). Plus, the adjustable bracket fits bike frames with a diameter of up to 6.5 inches. Easy to mount and carry while riding, it delivers reliable anti-theft protection wherever you go!

【18mm Durable & High Anti-Theft】 The bicycle lock's metal U bar measures 0.7 inches/18mm thick, while the steel cable is 0.47 inches thick, offering exceptional resistance to cutting and sawing to effectively prevent theft. The combined weight of the U-lock and cable is 3.75 pounds(1700g), with the U-lock alone weighing 2.4 pounds(1088g). The U bar's exterior is covered with a 0.04-inch thick PVC protective layer that provides waterproofing and rust resistance while preventing scratches on the bicycle frame. This sturdy and reliable lock is suitable for bicycles, e-bikes, and electric scooters.

【Oversized U-Lock for Multiple Bicycles】 With internal dimensions of 7.87 × 4.72 inches and external dimensions of 10.24 × 7.09 inches, the Bicyle U lock offers ample space to securely lock various large items. Paired with a 5 ft steel cable, it can simultaneously secure 2-4 bicycles, efficiently addressing multi-bike theft prevention needs. It also securely fastens bicycle frames, handlebars, wheels, helmets, and other accessories, providing comprehensive protection against component loss.

【Easy to Use & Set Up】 1. Step-by-Step Password Reset: ① Unlock the lock with the default code 0000. ② Push the RESET button inward until it clicks into the exposed position. ③ Rotate the dials to set your new password. ④ Push the RESET button back to its original position to finish setup. 2. Password Recovery Steps: ① Insert the reset key and turn it 90° clockwise. ② Flip the number dials upward one by one; the number that cannot be turned is your password. ③ Turn the key back 90° and remove it.

【Widely Applicable & All-Around Protection】 This bike u lock combines a large keyhole space, robust anti-theft features, and easy operation. It not only protects bicycles, e-bikes, e-scooters, motorcycles, and other transportation tools but is also ideal for high-theft areas like school campuses, parking lots, garages, and shopping center perimeters. It can also secure items like lawnmowers, gates, grills, ladders, toolboxes, and more, providing comprehensive protection for your property.

Bike U Lock