Biometric Fingerprint Access
Smart U-locks provide keyless entry using advanced fingerprint sensors.
Specializing in heavy-duty chain and U-lock configurations, these security tools utilize fingerprint technology and 5-digit combinations. These hardened steel systems are built for high-security outdoor protection for bicycles
Smart U-locks provide keyless entry using advanced fingerprint sensors.
Chain locks feature high-security resettable codes for keyless operation.
Heavy-duty links are designed for maximum anti-theft resistance.
The catalog centers on 3 ft and 4 ft heavy-duty chain locks and smart U-locks with integrated cables. These models use hardened steel and 5-digit combination mechanisms for outdoor security.




3 locks listed here, grouped as Combination bike locks, Heavy duty bike locks, Heavy duty chain locks, Cheap.
APECYC models in this range lean on the details already in the listings: Three foot heavy duty combination chain; Four foot heavy duty combination chain; Fingerprint heavy duty steel U lock.
The range is aimed at the uses named in Combination bike locks, Heavy duty bike locks, Heavy duty chain locks, Cheap, not a catch-all.
The useful differences sit in Combination bike locks, Heavy duty bike locks, Heavy duty chain locks, Cheap, not in a brand slogan.
Also in Heavy duty 5-digit combination locks
The fingerprint U-lock is incredibly fast to open and the extra cable adds peace of mind.
I chose the 4 ft chain lock because it is long enough to secure two bikes at once.
The 5-digit combination is easy to set and feels much more secure than my old lock.
No, these models use 5-digit combinations or biometric fingerprint sensors.
The heavy-duty chain locks are available in lengths up to 4 ft.
The locks are constructed from heavy-duty hardened steel for anti-theft security.
The smart fingerprint U-lock includes an integrated cable for extra coverage.