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ROCKBROS Bike Chain Lock 3.18ft Heavy Duty Motorcycle Chain Locks 8mm Thick Anti-Theft Security Bicycle Lock with 2 Keys for Mountain Road Electric Bike, Motorcycles, Scooter, Door, Gates

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$23.99

$ 11 .99 $11.99

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About this item

  • STRONG CUT RESISTANT -- Our bike security heavy-duty lock is made up of solid manganese steel, 8mm diameter thick square-linked chain is strong and tough, can withstand 6KN tension and 13KN shear force providing maximum cut resistance and more safe. What’s more, the bicycle lock designed with Non-drilling lock core to make your bikes more secure
  • EXTREME DUAL PROTECTION -- 1. Protective cloth sleeve: The chain lock is wrapped by a non-slip nylon sleeve, which is wear-resistant and scratch-proof. 2.Dust Cover: The inner dust covering on the lock effectively prevents dust and water from entering, provide a nice protection of the lock cylinder
  • SECURITY CHAIN LOCK -- This motorcycle lock come with 2 serpentine groove pattern design keys, made of hard and durable stainless steel, not easy to be imitated and stolen, ensures your equipments safety
  • MULTIFUNCTIONAL -- ROCKBROS bike chain lock is 3.18ft / 97cm length, which is ideal for bicycles, ebikes, motorcycles, lawn mowers, sports equipment, garages, farms, tool boxes, electric cars, shops, glass doors and trolleys, etc
  • EASY TO LOCK -- This anti theft lock doesn't need the keys to lock, just snap it when you lock it



Product Description

security motorcycle locks
security chain and lock

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 bike chain lock

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 .

motorcycle locks anti theft

Quick Lock

This anti theft lock doesn't need the keys to lock, just snap it when you lock it.

heavy duty locks cut proof

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.

bike lock with key

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.

anti theft bike chain lock

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.

heavy duty bike chain lock

Yanitza Mejias
Reviewed in the United States on April 8, 2025
🙂
Cesar AMV
Reviewed in the United States on April 24, 2023
Me siento seguro al dejar mi bicicleta con esta cadena Gracias !!!!
Patricia Torrey
Reviewed in the United States on July 9, 2022
Large double gate is now secured.
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