OnGuard Bulldog MINI TC 5013TC Bicycle U-Lock
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- Double bolt locking mechanism delivers up to 10 tons of pull strength
- Massice 13mm hardened ultra steel shackle provides maximum cut resistance
- Includes five laser cut keys 1 micro light key for nighttime use and 4 extra grip keys or four digit resettable combination on bombo models
- It has 24-40 multi position quick release mounting bracket
- Brand new and ready to ship
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|Item Dimensions||2.2 x 6.1 x 8.3 inches|
|Item Display Weight||2 pounds|
|Shipping Weight||2.25 pounds|
Top Customer Reviews
Any U-lock, even heavy top of the line locks from OnGuard and Kryptonite, can be cut with power tools in a few minutes. Still, those power tools make a hell of a racket, and most thieves want to avoid attention. If you live surrounded by neighbors who consider bicycle theft using power tools to be entertaining performance art, the Bulldog Mini is probably not the lock for you.
For those of us who live in lower crime areas, where the thieves use manual tools, the best mini U locks (such as the Kryptonite and OnGuard minis) can provide protection equal or superior to heavier, more expensive U-locks against brute force attacks. The mini locks don't provide enough space for a thief to insert a large metal bar or a jack, so he can't apply the force necessary to quickly break the lock. The Bulldog Mini is strong enough to resist bolt cutters and the other standard attacks. Still, one should keep in mind that a thief with a good hacksaw, some spare blades, plenty of time, and a strong arm can eventually saw through the shackle of any U lock. It is best to park your bike in a location where such activity would be noticed.
All the Bulldog Mini's surfaces are covered with plastic, to prevent scratching the bike. The lock comes with a carrying bracket that attaches to the bike frame. Five flat keys are provided, including one key with a built-in light. The 3.5" x 5.5" measurement cited in the ad describes the inside of the U locking area, not the entire lock.Read more ›
The very top is the Kryptonite New York Fahgettaboutit Mini Bicycle U-Lock (3.25 x 6-Inch), but I decided against that one due to weight and cost issues. My bike is old and new was only about $1000 when new, and so it isn't going to be the target that a more expensive bike would be.
Between this lock and the Kryptonite Series 4, both are high security. The reason I was in the market for a lock was that I had a cheap U lock cut with a pair of bolt cutters by an apartment manager unhappy that I had locked a bike to a railing. He sliced through that cheap U-lock silently, like butter, and both of these locks have been tested against that and neither lock was cuttable by bolt cutters. However, both can be defeated by a determined thief with power tools and a couple of minutes.
Both locks give you several sets of keys (at least 4) and let you either write down a code or register the code and they'll send free keys if you ask. Both locks include one lighted key, but the thing is huge and takes up so much room on my key chain that I took it off because I've really never needed the dim light it provides. Nice concept, but worthless - you can feel the key hole if it's pitch black.
Neither lock has a decent mounting system.Read more ›
If you're concerned about securing a quick-release tire on a mountain bike or hybrid in addition to the frame (say you live in a college town where kids like to steal things regardless of value just for the heck of it) you may want to consider one of OnGuards larger locks or this lock in combination with a cable lock to secure any parts that are less tempting targets yet are quick and easy to remove.
Most Recent Customer Reviews
This thing is a beast. I have abused this lock for the past several years, leaving it outside over several Chicago winters and still this lock won't quit. Read morePublished 5 months ago by joshua townsend
Rubber cover gets in the way when you try to lock it. Left in in rain/shine for a year and it's still going strong.Published 16 months ago by Tanner Morrill
I love this lock. Small, light but strong. I've used it for over three years now and it still works great. Bike hasn't been stolen yet!Published 17 months ago by Zoe
Small and useful when you leave your bicycle in a safe place. If you are leaving your bike in a risky spot. Read morePublished on December 29, 2013 by Luis Hernandez
It does what I expected. It locks and unlocks. To remove it with a hammer would probably demolish my bicycle and defeat the reason to steal it.Published on December 4, 2013 by yuri_nahl
Lock will jam and you will never get it opened again. The lock is so great only an angle grinder to cut it off will get it off your bike(sarcasm) because after a few uses the key... Read morePublished on November 20, 2013 by r
I've had the same problems with the key sticking that others have noted, usually when trying to lock it, not (thankfully) when trying to unlock it. Read morePublished on September 26, 2013 by Reviewer