Extended reach
The 5.25 ft length easily secures frames to fixed objects.
Bike locks
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Grentay
Grentay Bike locks
Grentay provides high-security chain solutions for riders requiring maximum physical protection. These heavy-duty locks secure bicycles and larger vehicles against theft using thick, cut-proof materials
Top pick
Why this brand
Cut proof
The 0.6 in thick links resist aggressive physical attacks.
Multi vehicle
The design secures motorcycles, scooters, and strollers effectively.
Why we keep it
Heavy Duty Security Standards
The catalog features 15 mm thick anti-theft chains designed for high-risk environments. These keyed systems are built for versatile outdoor applications.
- 15 mm thick cut proof links
- 5.25 ft total length
- Keyed locking mechanism
- Motorcycle grade security
- Gate and fence compatibility
- Heavy duty chain construction
The lineup in short
Maximum thickness
With 0.6 in thick links, these chains are built to withstand heavy cutting tools. They are the heaviest option for high-value assets.
Versatile utility
The length and strength make these suitable for gates, fences, and strollers. They serve both residential and transit needs.
Keyed reliability
Each unit utilizes a dedicated key system for secure access. This ensures traditional mechanical reliability in all weather.
Vehicle compatibility
The heavy-duty build is rated for motorcycles and electric scooters. It provides a robust anchor for larger motorized frames.
The lineup
Current locks from Grentay
Heavy duty anti theft chain lock with keys
Keyed bike locks · Heavy duty bike locks · Electric scooter locks · Heavy duty chain locks · Motorcycle grade locks
Long security chain lock for motorcycles
Keyed bike locks · Heavy duty bike locks · Electric scooter locks · Heavy duty chain locks · Motorcycle grade locks
Notes
Buyer notes
The 15 mm thickness gives me peace of mind when locking my motorcycle outside.
I use the 5.25 ft chain to secure multiple bikes to my garden fence simultaneously.
This heavy duty chain lock is exactly what I needed for my electric scooter.
Common questions
Grentay Questions
How thick is the Grentay chain?
The heavy duty chain is 0.6 in or 15 mm thick.
What is the total length of the lock?
The chain measures 5.25 ft or 160 cm in length.
Can this lock be used for gates?
Yes, the catalog lists it for use with gates and fences.
What vehicles does this lock support?
It is designed for bikes, motorcycles, scooters, and strollers.