High security D-locks designed to protect your bike against theft.

Rigorously attack tested to withstand dedicated attack, give your bike the security it deserves with our ultra-tough range of Sold Secure approved D-locks.

Squires premium UK made Stronghold D16 MAX delivers the ultimate in anti-angle grinder protection for bikes.

This formidable bike lock is reinforced with tungsten carbide armouring material, proven to defeat multiple angle grinder discs!

Squire D-locks are available in a range of sizes, strengths and optional D-lock and security cable kits for additional security.

Engineered with heavy-duty tungsten carbide armouring material.

• Highly effective against angle grinder attacks.
• Reinforced 16mm boron hardened steel shackle.
• Heavy-duty TPU anti-scratch shackle moulding.
• 25mm solid hardened steel reinforced lock body.
• 6-Pin high-security cylinder, 530,000 key differs.
• Restricted section key system.
• 2 precision engineered keys included.
• Personal security key card included.
• Sold Secure Powered Cycle Diamond approved.
• Made In Britain.

The Squire Stronghold D16 MAX delivers maximum-security anti-angle grinder protection for your e-bike or motorbike.

Engineered for use in high-risk environments, it features heavy-duty tungsten carbide armouring proven to resist multiple angle grinder discs.

The D16 MAX also achieves the highest Sold Secure Powered Cycle Diamond accreditation to ensure the ultimate peace of mind for all riders.