OnGuard

OnGuard Brute STD

Name: OnGuard Brute STD
Brand: OnGuard

16.8 mm hardened TriRadius steel resisted bolt cutters entirely in OutdoorGearLab testing and needed two separate grinder cuts, all for roughly $55. No composite armor here, so pair with awareness in grinder-prone areas.

$55 typical

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EDITION 01RESEARCHED 2026-08-042 SOURCESREFRESH DUE 2027-01

SUBSTANCE SCORES

substance7.8/ 10

design6.0/ 10

value6.5/ 10

WHY THE PRICE IS JUSTIFIED

It is cheap because it uses conventional steel, not because it is flimsy: 16.8 mm hardened steel and X4P lockwork were independently tested as bolt-cutter and hacksaw resistant. It is the value choice, not a grinder-safe choice.

MATERIALS

Shackle16.8 mm hardened TriRadius steel

Too large for many bolt-cutter jaws and highly resistant to hand tools.

Locking systemX4P Quattro four-point deadbolt

Holds the shackle at four points to resist twist and pry release.

CoatingRubberized protective coating

Reduces frame damage and corrosion exposure.

CRITERIA

8/10

Attack Resistance

OutdoorGearLab found bolt cutters ineffective and required two grinder cuts; no composite grinder armor.

9/10

Locking Architecture

16.8 mm shackle and X4P Quattro four-point retention.

8/10

Real-World Reliability

Smooth mechanism after months in OutdoorGearLab use; maintain keyway.

8/10

Fit And Versatility

4.5 × 8 in locking area fits frame, wheel and standard racks.

6/10

Carryability

3.6 lb measured; mount is functional but not class-leading.

10/10

Operational Value

Comparable hand-tool security to expensive locks for around $55, with five keys.

IDEAL FOR

·Budget-conscious city commuters
·Moderate-risk daytime locking
·Leaving a lock at work or school

NOT FOR

·Known grinder-heavy theft areas
·Overnight high-value e-bike parking without a second armored lock

DESIGN & ERGONOMICS

Honest, functional and frame-friendly, with five keys. The mount works but is less polished than Litelok/Hiplok systems; the lock is hefty enough that a pannier is nicer for long rides.

LONGEVITY

Lifetime warranty and five replaceable keys. The basic mechanism is durable but deserves regular dry lube, especially if left outdoors; bracket is the most likely replaceable part.