Squire Strongloop J4 Chain Lock

The Strongloop J4 Lasso Chain is a versatile security solution designed to safeguard bicycles and other valuable outdoor equipment. Constructed with 8mm hardened alloy steel chain links and a robust 15mm diameter hardened steel loop-end, this innovative design allows full use of its 1200mm chain length, maximizing your locking options. Ideal for pairing with any D-Lock with up to a 14mm shackle diameter, the Strongloop J4 is Sold Secure Pedal Cycle Silver approved—offering dependable protection in medium-risk environments.

Features

• 8mm hardened alloy steel chain links
• 15mm diameter hardened steel loop-end
• Optimised design enables full use of the 1200mm chain length
• Compatible with any D-Lock up to 14mm shackle diameter
• Sold Secure Pedal Cycle Silver approved
• Lightweight yet strong, weighing just 2.42kg
• Squire Security Rating: 8/10+

Specifications

• Sold Secure Level: Pedal Cycle Silver
• Chain Length: 1200mm
• Chain Link Diameter: 8mm
• Weight: 2.42kg