Best Combination Bike U-Locks of 2025

The USHAKE Bike Combination U Lock is a heavy-duty, keys-free lock designed for bicycles, electric scooters, motorcycles, and metal fence gates. You can set your own 4-digit combination, and the smooth dials provide ease of use. The 10mm hardened zinc alloy shackle resists cutting and leverage attacks, and the 4mm PVC coating protects against scratches. The high-security plastic-covered cylinder is dust-resistant, and the lock weighs 1.25 pounds for added security. The USHAKE team offers excellent customer service for after-sales support.

The Kryptonite U-Lock offers top-notch security for your bike and more. With a robust 12.7mm hardened steel shackle, it resists cutting and drilling, ensuring your belongings stay safe. You can set a personalized four-digit code, adding convenience to your security routine. This lock features a double deadbolt mechanism, which secures both ends of the shackle independently, enhancing its strength. Its compact design makes it easy to carry in a backpack or attach to your bike, so you’re always ready to secure your items.

This V·RESOURCING® bike lock features a heavy duty shackle that is heat and shear resistant, and is covered with silicone to prevent scratches. The 4-digit combination lock offers 10,000 combinations for enhanced security, and the shackle can be fully drawn out and adjusted from 12cm to 14cm, making it suitable for various indoor and outdoor uses. Made from zinc alloy and hardened steel, this lock is rustproof, waterproof and cutting resistant, and has a complex serpentine key slot. It is portable, practical, and perfect for mountain bicycles, motorcycles, electric bikes, scooters, and courtyard gates.

The USHAKE Bicycles U Lock is a keyless lock that allows you to secure your bike, motorcycle, e-scooter or gate without worrying about forgetting your keys. It has a 14mm hardened zinc alloy shackle that resists cutters and leverage attacks, and it's protected by a 4mm PVC coating to prevent scratching. You can easily set your own 5-digit combination, and the smooth dial turning gives you confidence in the quality. The lock also has a high-security plastic-covered cylinder to avoid dust, and it weighs 2.55 pounds for top security of your belongings.

The Sportneer Bike U Lock Combination provides a keyless design with a 4-digit resettable combination, offering 10,000 possible passcode combinations, making it tough to crack. It also comes with an additional 5-foot double looped steel cable that can be used to lock bikes to frames, fences, gates, racks, poles, and more. The U-lock is made from hardened zinc alloy, tamper-proof, and comes with a 4mm PVC rubber covering to protect your bike from scratches. It is portable and easy to carry, taking up very little space in your bag, with an adjustable mounting bracket to fit round pipes up to 60mm in diameter.

The NDakter U Lock is a heavy-duty bike lock that offers excellent anti-theft performance. Made of hardened high-performance alloy steel, the 14.6mm diameter U lock is resistant to cutting and leverage attacks, providing enough strength and security for your bike, electric scooter, motorcycle, gate, or door. The lock head is made of zinc alloy for added durability. The included 12mm x 1.5m steel cable allows for multiple locking options and provides solid security in any location. With its 4-digit resettable combination, you can enjoy keyless convenience and never worry about losing or disconnecting your keys. The U lock has a larger interior locking space compared to other locks, providing more versatility and allowing you to lock multiple items. In addition, the lock and cable are easy to carry and store, making it perfect for on-the-go use. The NDakter U Lock is suitable for a wide range of applications and is a reliable choice for keeping your belongings safe and secure.

The KENRONE Heavy Duty U Lock is a bike lock suitable for bicycles, motorcycles, or electric bicycles. It is unlocked using a 4-digit password, eliminating the need for keys. Made of special environmental protection zinc alloy, this U-lock is strong, wear-resistant, and has a long service life. It also has a simple appearance and can be used on various applications such as bicycles, office doors, warehouses, gates, and store doors.

The Febabilo Bike U Lock offers a convenient 4-digit resettable combination, eliminating the hassle of keys. This heavy-duty lock features a durable 0.57-inch hardened steel shackle, ensuring excellent resistance against cutting and leverage attacks, providing you peace of mind. Its large U-shape allows for easy locking of multiple bikes, with a flexible 5-foot steel cable for added versatility. Setting your own combination is simple, allowing you to customize your security effortlessly. With this lock, you can secure your e-bike and other valuables with confidence.

The QYKSONIC U-Lock offers a secure way to protect your bicycle or motorcycle. With a customizable 5-digit code, you have access to 100,000 different combinations, ensuring your lock remains secure. In case you forget your code, you can conveniently unlock it with a key. The sturdy construction, made from ABS shell and zinc alloy, resists cuts and scratches, making it ideal for various uses, including gates and fences. This lock is portable and practical for different types of bikes and even for securing store or fence gates.

The KEMIMOTO U-Lock is designed to provide superior security for your bicycle, e-bike, or scooter. Its heavy-duty 14.6-mm shackle and 70.6-inch cable ensure that you can secure your ride in various locations without worry. With a customizable 4-digit combination, you can forget about lost keys and enjoy the convenience of setting your own code. Built with a robust alloy steel interior, this lock is resistant to cutting and leveraging attacks. Plus, its weather-resistant design protects against corrosion, making it a reliable choice for all seasons.