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Knog Strongman D-Lock

Knog Strongman D-Lock

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Product Description

The toughest, rock solid, and high-security Strongman. Combining hardened steel housing with investment cast stainless steel cover and a 13mm hardened steel shackle, over-moulded with UV resistant silicone. Basically means it won't mark or scratch your bike but could kill a beast.

The Knog Strongman has a torsional strength that can withstand forces of up to 2kNm of combined twist ÔÇÿn' mass force and is frost, dust and corrosion resistant.

The Strongman U-lock is both Stitching ART (3 star) and Sold Secure Gold accredited*, which are the highest security accreditations in the UK and Netherlands for Bicycle Security Systems.



  • Dimenions: 200 x 130 x 35mm
  • Shackle: 13mm hardened steel shackle
  • Weight: 1.1Kg
  • Lock Barrel: High security disc style lock barrel with over 5000 unique key variations.
  • Accessories (INCLUDED): Dedicated mounting bracket system to attach the Strongman U-Lock to your bicycle.
  • Minimum mounting Bar Diameter: 25mm



  • U-Shackle Security: Heat-treated specifically to create balance between hardness (cutting resistance) and toughness (for tensile and impact resistance).
  • Secure Mechanical Assembly: The main advantage to a single-piece investment cast lock housing is that it forms a highly-secure mechanical assembly by reducing available points of leverage.
  • Lock Mechanism: Double deadlock mechanism with spring-loaded keyhole.
  • Accreditations: The Strongman is ART 3-star accredited and Sold Secure Gold Rated.
  • Material: Silicone overmoulded plated hardened steel U-lock.
  • Weather Resistant: Dust, corrosion and frost resistant.
  • Body: Investment cast steel, with compression moulded silicone outer. Injection moulded engineering plastic, UV painted exterior.

Occasionally, without notice, manufacturers change product design and/or specifications.

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