Bike locks / ONGUARD

ONGUARD Bike locks

This collection features high-security U-locks and folding plate locks constructed from hardened steel. These tools offer professional-grade protection for e-bikes and bicycles in high-risk environments

Keyed bike locks Hardened steel locks Locks with mounting brackets Heavy duty U-locks Flexible cable locks 4ft long bike locks 14mm thick bike locks Heavy duty bike locks High security bike locks Compact folding locks 16mm thick bike locks Heavy duty chain locks 10mm thick bike locks 6ft long bike locks Combination bike locks Lightweight bike locks 4-digit combination locks 12mm thick bike locks Locks for electric bikes U-locks with security cables
See the locks Our method
Featured listing
Standard Hardened Steel U-Lock with Mounting Bracket See details
What stands out

Hardened Steel Shackles

Shackles range from 13 mm to 16.8 mm for maximum resistance.

Advanced Locking Mechanisms

X4P Quad Lock and X2P Double Bolt systems secure the crossbar.

Integrated Mounting

Most models include a bracket for convenient on-bike transport.

About this lineup

Precision Security Engineering

The lineup centers on the Brute, Pitbull, and Bulldog series, utilizing Z-Cylinder cores and hardened steel. These models incorporate rubberized coatings to protect frame finishes during use.

  • X4P Quad Lock mechanism
  • 16.8 mm hardened steel shackles
  • Z-Cylinder core technology
  • Folding hardened steel plates
  • LED-equipped laser-cut keys
  • Rubber-coated finish protection
Designed around

U-Lock Standards

The Brute and Pitbull series offer varying shackle thicknesses up to 16.8 mm.

Folding Portability

The K9 Link Plate Lock provides a compact folding alternative to traditional shackles.

Key Technology

Locks include five laser-cut keys, with one featuring an integrated LED light.

Frame Protection

Rubberized coatings on the steel components prevent scratches on e-bike frames.

Listings

15 locks from ONGUARD

Notes

First-hand notes

Vincent 4.7

The 16.8 mm shackle on the Brute STD feels incredibly solid on my e-bike.

Brandon 4.2

I appreciate the LED key on the Pitbull DT when locking up at night.

Joshua 4.8

The K9 folding plate lock fits perfectly in its mount bracket while I ride.

Before you buy

ONGUARD Questions

What is the thickest shackle available?

The Brute STD U-Lock features a 16.8 mm hardened steel shackle.

Do these locks come with mounting hardware?

Yes, models like the Bulldog and Pitbull include a mount bracket.

How many keys are provided?

Most models include 5 laser-cut keys, including one with an LED.

What is a Link Plate Lock?

The K9 is a folding lock made of hardened steel plates.