What is the difference between the security rating?
1. Diamond locks: "provide the highest level
of security ... aimed at very high value bicycles and e-bikes."
2. Gold locks: "offer the next highest level
of security, aimed at mid-to-high value bicycles."
3. Silver locks: "offer a compromise between
security and cost."
4. Bronze locks: "typically offer defence
against the opportunist thief."
Colour of Chain: Gold
Sleeve Colour: Black Chain sleeve