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Product Description


ROCKBROS Bike Chain Lock Anti-Theft Cut Resistance Bicycle Lock with 2 Keys
ROCKBROS bike lock chain constructed with hardy manganese steel and has a 8mm-thick chain for strong cutting resistance. And the nylo protective cover over it shields against corrosion and dirt as well as protects your bike from scuff and chip. Besides, Our bicycle lock has a lock cover to shield it from dirt and rust for better long-term functionality. You can secure it to racks, poles and more!
Lock your bike securely and conveniently every time with the ROCKBROS Anti Theft Security Bike Lock Chain!
- Material: Zinc Alloy + ABS Plastic
- Color: Black
- Length: 3.18FT (97cm)
- Chain Thick: 0.31in (8mm)
- Net Weight: 2.67lbs (1.2kg)
- Comes with 2 ergonomic keys.
Anti-theft Lock Cylinder
The lock cylinder structure design makes it harder for thieves to open for added security of your property, it also features excellent waterproof and dustproof performance .
Quick Lock
This anti theft lock doesn't need the keys to lock, just snap it when you lock it.
Security Chain
Our heavy duty bike lock measures 8mm/0.32inches thick, made of premium manganese steel, even a carbide hacksaw isn’t enough to saw through it.
2 unique and ergonomic keys
One for daily use, other one is self-assigned and difficult to duplicate or wear out. Made of hard and durable stainless steel, never bend or twist.

The steel bike chain is 97cm / 3.18ft length,it is the perfect to be used for securing the bikes are a number of other possessions which is quite beneficial. Like bicycles, motorcycles, electric bicycles, scooters and all other two-wheeled vehicles that want to prevent theft.
