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Your cart is empty.The OnGuard Bulldog Mini U-Lock offers Bulldog-level protection in a compact design, perfect for those who travel light and fast. Featuring the X2P Double Bolt Locking Mechanism, this U-lock provides excellent security by locking the shackle on both sides. The 11-13mm hardened steel shackle resists cutting, prying, and jacking, and the Z-Cylinder is bump-proof and resists picking, pulling, and drilling. The rounded design with a centered keyway eliminates pry points, and the double rubber-coated crossbar cover protects paint and finishes. Extra thick molded end caps offer additional protection against bumps and hits. This lock includes 10 laser-cut keys, 1 with a micro-LED, and an all-tube mounting bracket.
C.P.J.BARRY
Reviewed in the United Kingdom on April 24, 2024
Excellent product
DJ
Reviewed in the United States on June 7, 2021
This is about the fifth of these that I've bought for different bikes. It's very sturdy and effective as a lock. Perhaps the only knock is that, as with essentially all locks with a partially-plastic mounting for the bike itself, eventually the bracket will break. It'll take a lot of time and abuse, but it will happen over time.
Juicy Dipa
Reviewed in Canada on June 7, 2021
Awesome lock, love the size. fits into any bag, or even my gal's purse/sling bagwe didn't use the bicycle holster, but it looks and feels much more rigid than an EVO u lock holster - which flapped around endlessly.the one concerning thing is that apparently there's some cancerous product/ingredient in this Lock and they warn that it could cause birth defects... anyone know where to store this safely? cus it's just sitting by our bikes in the apartment.
Colin
Reviewed in Canada on June 28, 2019
Nice little lock; lighter because of the small size, yet still feels super sturdy. Fits perfectly around standard bike lockups in vancouver, and railings/signposts
Daniel Santiago
Reviewed in Mexico on January 31, 2019
Me gustó la rapidez del envío , solo dos días (envío gratis) el producto original nuevo sellado todo bien , los materiales se perciben super fuertes , el tamaño me lo imaginé más largo , pero no fue así, el tamaño es el que se describe pero si se debe tener en cuenta para que se va a ocupar, me encantó !
RAM
Reviewed in Mexico on October 31, 2018
Definitivamente el tamaño fue lo que me convenció para llevarlo.Pero si puede ser un tema si acostumbras dejar tu bici en la calle, ya que el tamaño también lo limita.En mi caso hay bici-estacionamientos en el trabajo y puedo sujetarlo sin problema.Por su tamaño lo puedo transportar más fácilmente y cuenta con varias llaves (incluso una con luz).
Mike Wilkerson
Reviewed in the United States on September 6, 2016
I purchased this basically for the image of security. Fortunately I don't have to leave my bike locked out in public too often, so it isn't used too much. The mounting bracket is nicely made and the lock goes in and out easily. My complaint about this lock is its size. If the pole you're locking to is a large tube pole, then this lock will not fit around the frame, the front wheel AND the pole. You have to pick two of those three. For my needs, though, it is good enough.
Mr. E
Reviewed in the United States on August 21, 2015
This U-lock, is pretty darn great. I've had this lock for almost a year now, and living in the city of angels, there are thefts of anything and everything all the time. My bike has not been touched, or from what I have inspected. I have left my bike in south central and deep into the not so good places in downtown, to the nice neighborhoods for countless hours daily and have returned every single time to my bike where I left it. This lock will not give anyone problems, if you know how to properly take care of it. As soon as I got it, I put some WD-40 into the key slot and where you slide the U lock into so it locks into place. Left it there for a day, worked like a charm every time after that. I usually repeat this process every month or so. I have also left this out in the rain, and it did not give me any problems after. This product was great for me since my Shimano road bike has quick release wheels. I used this lock on my back wheel and frame, and it fit perfectly with the bike rack, with about an inch and a half of room to spare. For the price, I would recommend this sturdy little lock.
Jen Chen
Reviewed in the United States on June 26, 2014
I bought this exact lock because I borrowed an older version and fell in love.The size is perfect for my bike and the multiple keys is a godsend.I could not ask for a better lock! I feel very safe and secure when I leave my bike alone with this baby latched on.It's light weight and super easy to use.However, compared to my friend's older version, the keyhole seems to shift and get stuck a little. Also, turning the key inside the locking mechanism doesn't seem as smooth as the older version.Still, I can't complain. I definitely recommend this lock if you're a college student on the go looking for a sturdy, reliable lock!
El Outsider
Reviewed in the United States on April 18, 2014
Gets the job done for pretty much any situation I need to lock the bike in. Most locks are too big to let you put the bike on a bikerack or something without getting in the way.While the lock is durable, the mount broke after only a few months of daily use. Additionally, the u-bar wasn't very snug in the cross-bar when locked, so the lock would rattle like crazy while riding. I had a previous version of this lock that I liked much more, though the mount also broke on that (though after many more uses).I think I'm going to try a different brand, unfortunately.[Update]I've gone back to this lock after losing my replacement Kryptonite. Luckily, the local bike shop had a spare mounting bracket that they gave me for free.Sadly, it broke. Again. The plastic tabs that hold the lock in place slowly crack and chip away after regular use. Bumpy roads seem to cause stress on them.Luckily, they had ANOTHER spare mount. I installed it again. And again, it is broken.I need to be able to carry the lock. Sadly, the product is only as good as the mount is, and it is evident that they have a very poor mount design made of brittle plastic. I really wish the mounting bracket were metal.
l2
Reviewed in the United States on September 28, 2013
If you've avoided U-locks in the past because they were so big and heavy, give this one a try. Hardened steel, double locking construction is pretty secure (certainly much better than any cable or chain with similar weight). The "mini" size should work on any good quality bike rack, though it is not big enough for parking meters. It is also not big enough to lock both wheels; use another lock or a cable to secure the other wheel. Because of the smaller size, the lock is a reasonable weight and size. The package comes with a generous set of 5 keys, for people who are always losing theirs (leave a spare at work and at your friends house and in your car). Some people are complaining about the lock jamming after years of use in the rain, but realistically all locks will have that problem; you really need to oil any lock after every use in the rain. For the $20 price, I really couldn't ask for any more. There are more secure locks out there, but for much higher prices and heavier weights.
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