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The U-lock OnGuard 5816 made of hardened steel offers a high level of security thanks to its modern locking cylinder. The bracket allows for convenient transportation of the lock on the bicycle.

Basic data

Brand OnGuard
Country of origin of the brand USA
Sport Bicycles
Gender Not applicable
Season Year-round
Leading colour Black
Model/product code ONG-5816
Type of Product U-lock
Code 2000126057

Product details

Lock type On key
Fastener length 20 cm
Clasp diameter 12 mm
Material Hardened steel
Technologies High Security Locking Mechanism

Warnings and producer's data

Producer Todson | Inc. 4 Cocasset Street Foxboro, MA 02035 | info@onguardlocks.com | AMP SOURCE Siulczyńska Spk | Wielkopiecowa 6 42-200 Częstochowa Polska | info@amppolska.pl

OnGuard 5816 U-Lock bicycle lock (ONG-5816)

The OnGuard 5816 U-Lock bicycle lock guarantees effective protection for your bike in demanding urban conditions and during daily commutes. It stands out for its exceptional durability and well-designed security system, making it a solid choice for those who value the safety of their equipment.

Hardened steel construction

The body and shackle of the OnGuard ONG-5816 model are made from high-quality hardened steel, which effectively withstands cutting attempts and forced entry with mechanical tools. This material ensures increased resistance to damage and long-lasting stability of the structure. Hardened steel creates a strong barrier to protect the bike from theft.

Mounting and ease of use

The lock is equipped with a practical mounting system for the frame, allowing for convenient transport while riding. The key lock type enables quick and intuitive securing of the bicycle. The high functionality of the accessory makes it suitable for both short stops and for longer periods of leaving the bike unattended.

OnGuard 5816 U-Lock bicycle lock - features:

  • Made from durable hardened steel, ensuring cut resistance;
  • Advanced High Security Locking Mechanism;
  • Secure keyed lock type for effective protection;
  • Frame mounting that enhances transport convenience;
  • Stable construction with increased resistance to mechanical damage;
  • Designed for daily bike protection in urban conditions;
  • Robust shackle providing effective immobilisation of the frame and wheel;
  • Simple lock operation ensuring quick use in any situation;
  • High durability of materials resulting in a long service life.
High Security Locking Mechanism
The high-security locking mechanism locks both ends of the riser, significantly increasing its resistance to tampering. The 14-16 mm thick hardened steel stays are resistant to tampering attempts, providing effective protection against burglary.
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OnGuard 5816 U-Lock bicycle lock

OnGuard 5816 U-Lock bicycle lock

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OnGuard 5816 U-Lock bicycle lock

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