This chain lock features Oxford’s strongest ever lock with an integral alarm. The Boss Alarm lock 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.The Oxford Boss and Big Boss alarm have been independently approved by Sold Secure (Gold standard), SBSC Intygad Produkt, ART 4074 (14mm version)), ART 4075 (16mm version), ART 4076 (chain lock)
• The padlock features a 16mm hardened steel shackle
• The chain has 12mm hardened steel links
• Reliability is assured by 5-year life-cycle testing (by Thatcham Research)
• Removable, sealed unit alarm module
• Water, vibration, frost and heat-proof
• Batteries Included (6 x LR44)
• Free Minder Cable
• Three keys and a key replacement service are provided
• Can be used as a disc lock or padlock
• 100db alarm
• (Also available in a 14mm version)Spares available:
• Batteries x 6 (Oxford part number: OF229B)
• Alarm module (Oxford part number: OF3A)

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This product has met the high demands of the Police Preferred Specification and has been accredited “Secured by Design (SBD)SBD is a police initiative which seeks to achieve sustainable reductions in property theft. By encouraging good design and practice, SBD aims to reduce the demand on police forces and help us all live in a safer society. To see the full list of our SBD approved productsclick here

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Find out more about our Security products by exploring our dedicated website:

Free delivery on all orders £100 and over*

All orders over £100 are delivered FREE*. All orders from the Mega Motorcycle Store are dispatched using secure couriers, which are a fully insured and trackable. All customers receive an online tracking number when their order is dispatched, which enables them to track the location of their delivery online.

*Free Delivery over £100 includes mainland UK only. Excludes Northern Ireland.

UK Delivery Charges

Our UK delivery charges remote areas such as Shetland and Highlands. For all other destinations, please add your items to the shopping cart on the website and calculate the delivery costs to your destination.

UK Delivery Times

Orders must be placed before 1pm for same day dispatch.

Please allow 1-2 working days from your order within the UK and for deliveries outside the UK please allow 5-7 working days.

Next working day delivery cut off time is 13:00.

Orders placed on a Bank Holiday will be dispatched on the following Working Day.

Ireland and Scotland delivery can take a extra day depending on your location.

Orders placed on a Saturday or Sunday will be dispatched on the Monday- If you have paid for Next working day delivery then your delivery will be due on the Tuesday.

UK Delivery Charge

All orders over £100 are delivered FREE of charge. Orders under £100 are charged at £4.99.

European Delivery

Since 1 July 2021, most goods to the EU (including gifts) are now subject to VAT and potentially a clearance fee. The taxes and duties applied depend on the individual contents of the parcel, the weight and the value. We cannot estimate the costs that may occur and we are not responsible for any fees you may need to pay.

To get a shipping quote for your country please follow the checkout and input your delivery address.