The Chain 10 is a maximum-security, heavy duty chain lock. It is part of Oxford's Advanced Accessories.

The Chain 10 has a key replacement service. When you buy your Chain 10, simply note down the number which comes attached to the keys on a metal tag. Keep this in a safe place, then in the event that you are unfortunate enough to lose all your keys, it will be possible to get a new key made up for you.

This Chain 10 has undergone rigorous independent testing and has Sold Secure Bicycle GOLD.

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