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Best Ultimate Security & Large Reach

Hiplok DX1000

The Hiplok DX1000 is a heavy-duty fortress of a U-lock, engineered with graphene-reinforced steel for riders needing maximum protection and extra locking clearance.

Hiplok DX1000 – buy now
4.3(756 reviews)
$379 - $389

via Amazon.com

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Pros
  • +Graphene-reinforced hardened steel provides extreme resistance to angle grinders and power tools.
  • +Spacious locking area (205mm x 112mm) easily fits cargo bikes, e-bikes, and wider street anchors.
  • +Square shackle profile forces thieves to make two full cuts to breach the lock.
Cons
  • Heavyweight design at 5.7 lb (2.6 kg) makes daily carrying noticeable.
  • Premium price point represents a significant investment.
  • Dedicated carrying bracket (BR1000) is sold separately.
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The Hiplok DX1000 is engineered for high-value bicycles, e-bikes, and cargo bikes parked in high-risk environments. Built around a massive square-profile shackle reinforced with graphene steel composite, the DX1000 is virtually impervious to standard hand tools and offers extraordinary resistance to angle grinders. The unique square shackle profile prevents rotation, requiring thieves to execute two full cuts to open the lock. Carrying Sold Secure Powered Cycle Diamond certification—the highest level available—it withstands extreme bolt cropper, hammer, drill, and leverage attacks. A key advantage over smaller anti-grinder locks is its generous internal clearance (205mm x 112mm), allowing cyclists to comfortably fit thick e-bike frames and rear wheels around street light poles and large anchors. At 5.7 lb (2.6 kg), it is a substantial piece of hardware best suited for panniers or dedicated frame mounts. For riders prioritizing physical security and wide clearance above all else, the Hiplok DX1000 stands unmatched.

Last updated:

David ParkHome & Kitchen Specialist

David focuses on home appliances, kitchen tools, and outdoor equipment. He tests products in real-world conditions before recommending them.

Hiplok DX1000 – FAQs

Yes, for most buyers. The Hiplok DX1000 stands out for: Graphene-reinforced hardened steel provides extreme resistance to angle grinders and power tools. and Spacious locking area (205mm x 112mm) easily fits cargo bikes, e-bikes, and wider street anchors.. The main trade-offs are Heavyweight design at 5.7 lb (2.6 kg) makes daily carrying noticeable.. Check our full Outdoor Gear comparison for alternatives.