Squire’s Stronghold® cycle security sets the Diamond standard

Our toughest ever Stronghold® cycle security range, achieving the highest Sold Secure Bicycle Diamond and Gold standards. 

Diamond standard for Squire’s Stronghold® cycle security sets

Stronghold® is universally recognised as Squire’s most trusted maximum security brand.  It symbolises our 245-year heritage and represents the best in British made locks. 

Designed for e-bikes and all high-end cycles, the new Stronghold® cycle range includes a D-lock (D16/230), folding lock (FL/850) and integrated lock and chain set (IC/850).

Our Stronghold® D-lock (D16/230) is Sold Secure Bicycle Diamond approved.  Features include an incredibly tough 16mm hardened boron steel shackle, hardened steel lock body, 6-pin cylinder with over 500,000 key differs, ultra-secure restricted key system and personal key card to prevent unauthorised copying of keys. 

The Stronghold® integrated lock and chain set (IC/850) is also Sold Secure Bicycle Diamond approved.  It features a 10mm square hardened alloy steel 850mm long chain, integrated hardened steel lock body with hardened steel body, 6-pin cylinder with over 500,000 differs, ultra-secure restricted key system and personal key card to prevent unauthorised copying of keys. 

And our Stronghold® folding lock (FL/850) combines incredibly tough performance with functional convenience.  Compact, easy to carry and Sold Secure Bicycle Gold approved, features include 5mm hardened boron steel links, 6-pin cylinder with over 500,000 differs, ultra-secure restricted key system and personal key card to prevent unauthorised copying of keys.  It can be neatly packed into its own carrying bracket and safely secured to the bike frame with a strap.

Check out our new video below.