BIGLUFU Motorcycle Chain Lock 150cm with U Lock - Heavy Duty Security

In this review the BIGLUFU Motorcycle Lock Chain is evaluated for riders and owners of outdoor equipment who need a tough, portable theft deterrent. The lock's single biggest selling point is its heavy-duty construction: a 12 mm square-linked chain made from 3T manganese steel wrapped in a nylon sleeve, which aims to resist common cutting and leverage attacks while protecting painted surfaces. For anyone who prioritizes physical strength and a durable cover over ultra-lightweight convenience, this chain lock is worth considering.

Key Features

• 3T manganese steel construction: The core chain is built from tough manganese steel that provides high tension and shear resistance for cut protection.
• 12 mm square links: Thick square-linked chain geometry increases difficulty for bolt cutters and provides substantial mass for deterrence.
• Water-resistant nylon sleeve: The sleeve prevents the chain from scratching paint or metal and helps the chain resist surface wear in outdoor use.
• Stout U lock and coated shackle: The included U lock has a 14 mm hard zinc alloy shackle with PVC coating to resist cutting and reduce frame contact damage.
• Four ergonomic keys: Multiple stainless steel keys reduce the risk of losing the only key and feel sturdy in use.
• Long reach options: Available lengths up to 150 cm (5 ft) make it practical for securing multiple motorcycles or larger items together.

Who It's For

The BIGLUFU chain lock suits motorcycle owners, scooter riders, and cyclists who need a heavy, cut-resistant lock to secure a vehicle or several items together, and who accept extra weight in exchange for stronger steel. It is also useful for securing generators, gates, ladders, or tool storage outdoors where physical cut resistance matters more than portability.

Riders who want the lightest possible carry option, or who need an ultra-compact lock for frequent daily carry, should look elsewhere; the chain is intentionally hefty and will add noticeable weight when transported. Those who need electronic or alarmed locks should consider alternative products with those features.

Pros & Cons

Pros

• Robust chain and U lock construction provide strong resistance to cutting and lever attacks.
• Nylon sleeve protects vehicle finish and reduces wear from the chain rubbing on surfaces.
• Multiple keys and a coated shackle add user convenience and reduce damage risk during locking.

Cons

• The lock is heavy, which makes it less convenient for riders who prefer lightweight security options.
• Some users report variability in welding quality on the cinch ring, so inspection before use is prudent.

Specifications

Material	3T manganese steel chain with zinc alloy U lock
Chain link thickness	12 mm square-linked
Chain length options	60 cm or 150 cm (approx 2 ft or 5 ft)
Chain cover	Water-resistant nylon sleeve
U lock shackle	14 mm hard zinc alloy with PVC coating
Keys	4 stainless steel ergonomic keys
Tensile/shear resistance	8 KN tension, 17 KN shear (manufacturer stated)

Our Verdict

The BIGLUFU Motorcycle Chain Lock is a practical choice for anyone who values cut resistance and durable construction over lightweight convenience. Its 12 mm manganese steel links, protective nylon sleeve, and included U lock make it a sensible option for securing motorcycles, scooters, or outdoor equipment. It offers solid value for users who need strong physical protection and do not mind the extra weight.

Frequently Asked Questions

Is the chain sleeve waterproof?
The chain is wrapped in a water-resistant nylon sleeve that helps repel moisture and reduce surface wear.

How many keys are included?
The product ships with four ergonomic stainless steel keys so you have spares for multiple users.

Can it secure multiple motorcycles?
Yes, the 150 cm (5 ft) length is long enough to lock several motorcycles or larger items together.