The OnGuard Mastiff chain lock offers great security in high crime areas with oversized titanium reinforced hexagonal links. These links are tough against saws, bolt cutters and prying attacks.
OnGuard’s Double Bolt Mechanism is strong against picking and drilling. Chain bike locks like the Mastiff give you more flexibility to lock your frame to different locations.
A durable chain cover prevents scratching on your frame while 5 keys mean you’ll always have a spare.
hefty nylon covered chain likely to deter any but the most well equipped thieves. plenty of spare keys and light in one for ease of unlocking in dark.
hefty nylon covered chain likely to deter any but the most well equipped thieves. plenty of spare keys and light in one for ease of unlocking in dark.Close review
We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and value.
Please note: bulky products and bikes shipped to outlying UK regions are excluded from free shipping - Click here for more info.
Christmas is one of the busiest time of year for us at Tredz. We will try our best to get your products delivered before Christmas. To help you, please see our last postage dates for first class and 24 hour courier services below:
Any order dispatched on the 22nd & 23rd December will be delivered between 28th December and 30th December.
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It’s easy to return a product with our 365 day, hassle free returns.
We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).
For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.
For more information please visit our Returns & Warranty page.