Dual Lock Systems
Combinations of 12mm chains and 16mm U-locks maximize security.
Professional grade chain and U-lock combinations featuring 12mm thick steel links. These keyed systems provide robust anti-theft protection for bicycles, mopeds, and scooters
Combinations of 12mm chains and 16mm U-locks maximize security.
Thick metal components are built to resist manual cutting.
Sized for bicycles, mopeds, scooters, and motorcycles.
The inventory focuses on 12mm thick anti-theft chains paired with 16mm U-locks. These systems use keyed disc locks for reliable operation in outdoor environments.




AKM BICYCLE focuses on Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Heavy duty chain locks in the current models.
AKM BICYCLE models in this range lean on the details already in the listings: Bicycle chain lock with 16mm disc lock; Heavy duty chain with 16mm U-lock 3ft.
Pick a AKM BICYCLE model from Keyed bike locks, Heavy duty bike locks, Electric scooter locks, Heavy duty chain locks when that is the job you have.
Titles already name the split: Bicycle chain lock with 16mm disc lock; Heavy duty chain with 16mm U-lock 3ft.
Also in 12mm thick 16mm thick
The 12mm chain and 16mm U-lock combo provides great security for my moped.
I appreciate the 4 keys included with the 4 ft heavy duty chain lock.
The 16mm U-lock is very solid and works well with the thick bicycle chain.
The heavy duty chain links are 12mm thick.
Yes, these sets include a 16mm U-lock disc lock.
The chains come in 3-foot and 4-foot lengths.
The security sets come with 4 keys.