90 x 140 x 13mm Dispatched in 1-2 days ID: 62324-182592
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OnGuard Bulldog Mini D Lock reviews verified by reevooReevoo

Ease of installation
Ease of use
Value for money
Overall rating
Scores 9.0 out of 10 based on 2 reviews
9 out of 10

Confirmed purchaser

If you want a small light lock that is more secure than a basic cable then you can't do better than this. I know it won't defeat a determined thief - but I didn't buy it for that purpose and I would get a different lock for that.
Slightly clunky and fiddly locking mechanism - but OK once you get used to it.
Confirmed purchase: 02 September 2015
Published on: 25 September 2015
9 out of 10


London GB
Compact and (relatively) lightweight - a lot easier to transport than most D-locks.
Small size makes leverage attacks a lot harder if not impossible.
Plenty of spare keys, keys are very compact (key with light is much larger however - similar to car key size).
Frame mount bracket seems sturdy.
No sold-secure rating, so may be unable to use with bike insurance.
Compact size makes it more challenging to find a good place to lock up bike, and very difficult to secure wheels (additional cable/lock would be required)
Confirmed purchase: 28 April 2014
Published on: 08 May 2014

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We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

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Christmas delivery

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BullDog level protection in a compact design. For those who travel light and fast but need the extra security of a X2P Double Bolt lock. OnGuard’s bestselling U-locks featuring best-in-class X2P Double Bolt lock mechanisms and super strong 13mm (0.51”) hardened steel shackles for a full circle of protection

Shackle dimensions: 90mm x 140mm x 13mm (W x H x Diam)

Key Features:

  • X2P Double Bolt Locking Mechanism locks shackle on both sides
  • NEW Z-Cylinder is bump-proof and resists picking, pulling or drilling
  • Hefty 13mm (0.51”) hardened steel shackle resists cutting, prying and jacking
  • Rounded design and centred keyway eliminates pry points
  • Double rubber coated crossbar cover protects paint and finishes
  • Extra thick moulded end caps protects against bumps and hits
  • 5 laser cut keys, 1 with bright micro LED