Durable Long Shackle U-Lock. Constructed from fully hardened 13.8 mm steel shackle for maximum durability. Greater flexibility provided by a 200 mm tall and 117.5 mm wide shackle. Shackle Thickness: 13.8 mm.
eBay
Falante Anti-theft Bike U Lock 2 Brass keys With Heavy Duty U Lock Motorcycle Front fork lock Bicycle Lock waterproof 3 Size
Aliexpress UK
HEAVY-DUTY CABLE LOCK: This heavy-duty black cable lock is perfect for all of your security needs. They're suitable for use with padlocks, u-locks, d-locks, and many other security devices. Each cable is made from durable steel with a protective polyvinyl covering.
eBay
ROCKBYE Motorcycle Lock Anti-theft Padlock with Cable Lock USB Rechargeable Waterproof Bike Alarm 120db Anti-theft Bicycle Lock
Aliexpress UK
HEFTY & STRONG CUT RESISTANT: Our bike lock is made of unbreakable 3T manganese steel, 0.6 / 15mm square-linked chain, strong and tough, can withstand TOTALLY 8KN tension and 17KN shear force providing maximum cut resistance and much safer than most of other chain lock in the market.
eBay
Bicycle Lock Bold Alloy Steel U-shaped Lock Bold Steel Cable Anti-theft Lock Electric Bicycle Lock Riding Equipment
Aliexpress UK
【Waterproof】: The trailer hitch chain lock is waterproof and rustproof, fearless of wind and rain, and effectively waterproof. We'd like to settle any problem in a friendly manner. 1 Set Glass Door Chain Lock.
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Multifunctional Helmet Lock Mountain Bike Wire Lock Safety Lock Bicycle MotorcycleElectric Vehicle Portable Password Cable Lock
Aliexpress UK
For Motorcycles, Bicycles, Bikes, Shed Lock. Light Weight Chain Lock.
eBay
ABUS bicycle Lock MTB Road Bike Lock 6800 Anti Theft Heavy Duty Safety Anti-Theft Chain Lock For Motorcycle Lock Accessories
Aliexpress UK
In addition, the 14mm thickness and the newly developed high-strength alloy materials ensure that it is tough enough. Only 3% of all other chain locks on the market use this material. It can be easily mounted around the bike seat.
eBay
Bicycle Motorcycle U-Lock Manual Disc Brake Lock Aluminum Alloy Anti-Theft Lock for Mountain Bike Tricycle U-Shackle Lock Easy
Aliexpress UK
HEAVY-DUTY CABLE LOCK: This heavy-duty black cable lock is perfect for all of your security needs. They're suitable for use with padlocks, u-locks, d-locks, and many other security devices. Each cable is made from durable steel with a protective polyvinyl covering.
eBay
Multifunctional Helmet Lock Mountain Bike Wire Lock Safety Lock Bicycle Motorcycle Electric Vehicle Portable Password Cable Lock
Aliexpress UK
Advanced security features: This lock features a four-digit combination lock, providing thousands of potential combinations, enhancing security and making it more difficult for thieves to crack. Material: Lock body: alloy steel + silicone, lock core: zinc alloy.
eBay
ROCKBROS Cycling Lock Password Helmet Lock Creative Ultra-Light Cat Steel Bicycle Cat Lock Anti Theft Bike Lock Accessories
Aliexpress UK