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OnGuard Bulldog STD Bike U-Lock – 13 mm Hardened Steel Shackle (115 × 230 mm) – X2P Double Bolt, Z-Cylinder Core, 5 Keys & Mount Bracket Large
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em até 6x de R$ 125,82 sem juros
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Avaliação média de 4.8 estrelas com base em milhares de clientes satisfeitos.
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Sobre este item
- Dependable Daily Security: X2P Double Bolt mechanism locks both sides of the shackle to block prying and twisting, delivering trusted protection for urban riders and commuters.
- Optimized Locking Size: Internal locking area of 115 x 230 mm (4.53 x 9.06") provides practical reach for securing bikes to racks, poles, and railings.
- Tough 13 mm Hardened Steel Shackle: Strong steel construction helps resist cutting, leverage, and jacking attacks in city environments.
- Advanced Z-Cylinder Core: Precision locking cylinder defends against drilling, picking, and bumping for reliable long-term anti-theft performance.
- Complete Lock Kit Included: Comes with five laser-cut keys and an all-tube mount bracket for convenient on-bike storage.

KB (comprador verificado) –
Great bike lock!
I love that this lock has a mounting bracket! It’s a substantial lock so it does add some weight but I think that’s what you want when you get a U-Lock. It’s easy to mount and easy to use. It comes with 5 keys including one lighted key. It can be difficult to decide where to keep your lock but that good thing is that you can move the mounting brackets around if you need to relocate it. Great lock and great price!
J. Hoeler (comprador verificado) –
Effective Beast
See this YouTube video. This was the only U-Lock the guy couldn’t cut off.http://www.youtube.com/watch?v=QYUf4h0Lv_8Why? Because it’s got a 1/2 bolt. Not bad. It’s heavy, but not noticeable when you use the bike adapter to carry it.I feel way more confident with this on the bike than my prior lock. Key also opens it quite effortlessly, which I cannot say for prior locks.
Sheng Chung Cheng (comprador verificado) –
Good lock for an regular bike.
Using this on a bike worth less than 20 dollars on a university campus. The bike is still with me after 2 months. I am guessing it is better than my previous 15 dollar cable lock from local store that someone tried to saw through before I replaced it with this one. It is heavy and has a mean look that deter away bike thief. So far so good. I would not trust it with a multi-hundred dollar bike, though.
Michel Hamel (comprador verificado) –
Livre à temps
Pas cher et livré à temps
David Morales Bello (comprador verificado) –
Good value
It works well to secure my e scooter, however the bracket doesn’t fit around the steering column (about 2″ diameter) so I have to put the lock in my back pack.Perhaps a bracket that allows it to fit onto e scooter steering columns would be a great selling point since these are so popular at this time.
Mike (comprador verificado) –
Solid, well built lock
This is just great, well made and so thick
Martin (comprador verificado) –
Tip top
Perfekt
gene miller (comprador verificado) –
Great lock
The perfect lock to prevent bicycle thieves.I lock one to stationary object with my bike frame. Then I put the other lock around my front tire. And yes someone stole my front tire before using a lock. They give you plenty of keys. The lock is sturdy. Based on where I live, I have to keep my bicycle inside My apartment, otherwise, people steal it from outside, even with the best of lock. So these locks are for when I am out in the public. Overall a great brand and design 👌 the price is fair and worth it.
Arya D. (comprador verificado) –
Great value lock
It’s a high quality lock. I haven’t tested it to see how fast I can grind it down, but it looks strong enough to make thieves not want to bother. You just want something that makes the thief move on to the next bike.
Alexis Rangel (comprador verificado) –
Calidad
La calidad del candado se siente, es una buena opción y se siente seguro, lo recomiendo 🙂
Brianda (comprador verificado) –
Excelente seguridad
Excelente calidad y precio
George D (comprador verificado) –
a good buy
Sturdy, easy to lock/unlock.
EB (comprador verificado) –
Plastic key cover fell off and lock stopped functioning on first unit – Good Customer Support
Fortunately got jammed while not on the bike. But customer service has promptly sent a new one – hopefully good to go now.