The Oxford Alarm Chain 10 10mm Square Link General Purpose Chain Lock 1.5m (LK131) is part of the latest Oxford collection. The Alarm Chain 10 combines a 10mm square link chain with a loud 90dB alarm. This multi-purpose alarm chain lock will keep your bike and other valuable items secure from attack and the alarm will scare off any would-be thief. The Alarm Chain 10 has a key replacement service so that if you are unfortunate enough to lose all your keys a new one can be made up. Just remember to take note of your key number and keep this in a safe place. Key Features / Points: 10mm Square Link Chain 90dB Alarm Siren Hardened Steel Construction 3 Keys 1.5m x 10mm View all Oxford Motorcycle Chains and Locks. View all Motorcycle Chains.