90 cm long and 6 mm thick. The bicycle chain is 90 cm long. It is long enough to lock multiple bicycles. The chain made of hardened special steel has a thickness of 6 mm, which can prevent scissors and theft.
eBay
4 Digit code Helmet Lock for Motorcycle Whole Helmet Anti-theft Lock for Bicycle Electric Scooter Small Convenient Chain Lock
Aliexpress UK
It can be easily mounted around the bike seat. Bike Lock with 2 keys. [WATERPROOF]: The lock cylinder has a waterproof and dustproof cover to prevent dust from entering the lock hole and blocking it, protecting the lock cylinder from rusting and extending its service life.
eBay
WEST BIKING Heavy Duty 4KG Chain Lock 2-in-1 U Lock Anti-Theft Bicycle Motorcycle Scooter Lock High Security Bike Equipment
Aliexpress UK
Strong Disc Brake Lock with Security Keys for Motorbike Scooter Motorcycle. Heavy Duty Motorbike Bicycle Bike Security Chain Combination Lock Padlock 4Digit. Heavy Duty Chain Padlock Strong Motorcycle Motorbike Bike Security Lock Safe.
eBay
WEST BIKING Heavy Duty 4KG Chain Lock 2-in-1 U Lock Anti-Theft Bicycle Motorcycle Scooter Lock High Security Bike Equipment
Aliexpress UK
About GRIFEMA. Bike Chain Lock 5 Digit Combination. [WATERPROOF]: The lock cylinder has a waterproof and dustproof cover to prevent dust from entering the lock hole and blocking it, protecting the lock cylinder from rusting and extending its service life.
eBay
WEST BIKING Bicycle Lock 4-Digit Password Anti-theft Bike Chain Lock Thickned Motorcycle Scooter E-bike Lock Bike Accessories
Aliexpress UK
Heavy Duty Padlock Long Shackle Waterproof 3 keys Security Outdoor Garage Shed. Size ; 50mm. HEAVY DUTY WITH 3 KEYS EACH. All padlocks are supplied with 3 keys. Heavy Duty High quality Padlocks.
eBay
【M】Bike Chain Lock Bicycle Heavy Duty Safety Lock 60CM Metal Anti-theft Mountain Bike Road Motorcycle Scooter Padlock With Key
Aliexpress UK
Includes 2 keys.
eBay
DOMEN Bicycle Heavy Duty Chain Lock 8mm Thick Anti-Theft Steel With 2Keys Safety Lock Motorcycle Bike Lock Bicycle Accessories
Aliexpress UK
Durable 90cm Bicycle Chain Lock. ⛓️Thick Hardened Chain: Crafted from a7mm high-quality thick hardened steel chain, this heavy-duty bicycle lock significantly reduces the risk of theft by preventing thieves from violently removing the lock.
eBay
ABUS 4-digit combination bicycle lock with chain lock, 85 cm, suitable for mountain bikes, road bikes, anti-theft locks, electri
Aliexpress UK
High Security - Bicycles are mostly quick-release seats,there are security risks, can easily take away. Wheel and seat distance of 23cm or less, can lock the wheel and seat. Easy T0 Carry, Compact, and Flexible - The Folding lock fits most bikes, it only weights 575g easy to carry featuring special rivets that make folding easy.
eBay
WEST BIKING Anti-theft Bicycle Lock MTB Road Bike Safety Chain Lock With 2 Keys Outdoor Cycling Bicycle Accessories Bike Locks
Aliexpress UK