Best Large Cycling Locks of 2025

The Gadget Zone UK D Shackle Lock is designed to provide robust security for both regular and large bike frames, measuring 180 x 310mm. This heavy-duty lock comes with two keys that are crafted to ensure maximum security, giving you peace of mind when securing your bike. It is perfect for locking not just bicycles, but also motorbikes and gates, making it a versatile choice for various needs. Additionally, you can easily secure your helmet with your bike, ensuring all your belongings are safe.

The Unibos U-Type Lock offers a durable solution for securing your bicycle or motorcycle. Its hexagonal PVC cover protects against corrosion, ensuring longevity even in harsh weather. With a quick locking mechanism, you can easily secure your bike and wheels without hassle. The lock comes with two keys, providing convenience; keep one for daily use and another as a backup at home. Additionally, the high-quality mounting bracket allows for easy storage, attaching seamlessly to bike tubes measuring 25-35mm.

The NDakter Bike D Lock features a convenient 4-digit code, eliminating the need for keys and allowing you to secure your bicycle effortlessly. Its generous internal locking space ensures you can easily lock your bike frame and wheels together, providing peace of mind. Made from hardened alloy steel, this lock offers outstanding resistance to cutting and leverage attacks, ensuring high security. Additionally, the resettable combination is easy to set, allowing you to customise your security while keeping it simple to use.

The Burg-Wächter Shackle Lock is designed for quick and secure locking of your bicycle, motorcycle, scooter, or garden tools. With a height of 255 mm, its robust U-lock provides excellent security. You will appreciate the practical transportation support, accommodating maximum diameters of 27 mm or 36 mm. Opening the lock is simple and fast, thanks to the easy-access keyhole and double locking hardened shackle. Additionally, the plastic coating protects the lock from scratches, ensuring it remains in good condition while you use it.

The ZELENY Bike Lock features a reinforced plug and lock core made from strong zinc alloy, providing excellent tamper resistance and durability. Its upgraded combination wheel ensures smooth operation and rust resistance, giving you peace of mind. The thickened alloy steel chain is designed to deter thieves, while the protective cloth cover prevents frame scratches, extending the lock's lifespan. With a 5-digit code offering up to 100,000 combinations, you can easily customise your password for enhanced security and convenience.

The Zeleny Bike Lock offers exceptional security for your bicycle with its high-strength zinc alloy cylinder and plug, ensuring durability against impacts and pressure. Its advanced digital combination wheel, made from resistant ABS material, prevents rust and misalignment, making it easy for you to set and use. The thickened 7 mm galvanised chain resists cutting, providing peace of mind against theft. Additionally, the anti-scratch nylon fabric cover protects your bike frame from scratches, extending its lifespan while you secure it.

The SeatyLock Bike Lock offers robust security for your bicycle, scooter, or motorcycle with its premium quality triple braided steel cable. This flexible cable features loops that provide a strong anti-theft system, ensuring that your vehicle remains safe from theft. The universal fit means it can be used with various lock types, including U-locks and chain locks. Additionally, its soft coating not only protects the bike frame from scratches but also resists corrosion, making it suitable for all weather conditions.

The MOMIMO U Lock offers robust security with its heavy-duty 20mm shackle, which is heat and shear resistant, ensuring your bicycle remains protected against theft. The built-in pure copper cylinder enhances anti-theft performance, allowing you to feel secure when leaving your bike unattended. Additionally, its 4ft thick steel cable is easy to use and install, making it user-friendly for all cyclists. The lightweight design further ensures portability, so you can conveniently carry it with you wherever you go.