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Your cart is empty.The OnGuard Bulldog ATB U-Lock features a wider crossbar dimension to provide extra room for securing ATBs and scooters. The X2P Double Bolt Locking Mechanism locks the shackle on both sides for best-in-class protection. The 11-13mm hardened steel shackle resists cutting, prying, and jacking, while 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 your bike's finish. Extra thick molded end caps offer additional protection against bumps and hits. The lock includes 8 laser-cut keys, 1 with a micro-LED, and an all-tube mounting bracket.
CesarClaro
Reviewed in the United States on September 19, 2022
I got two because of the great price and variety of different sizes this company has.Having an Ebike in NYC or anywhere really. Once a thief sees two or more locks. They go onto the next bike. So do yourself a favor. Have at least two locks.
Dmytro Kalifat
Reviewed in the United States on August 30, 2021
Conveniently attaches to the bike, easy to use.
stardust
Reviewed in the United States on July 30, 2020
Works great to lock my motorcycle cover to the front wheel.
A A
Reviewed in the United States on November 10, 2020
Used this on my bike which is almost always parked in a covered / indoor location. Worked well for 2.5 years and then suddenly, the key stopped fitting into the keyhole. Tried loosening it up with WD-40 lubricant but that didn't help.
Sammy Sannan
Reviewed in Canada on August 1, 2019
I think I am sending it back, the bracket is not wide enough it does not fit on my bike. I need a wider bracket.I used it on my other bike (don't need it there) and I find it not stable and not study, it keeps moving up and down left and right no matter how much I make it tight. even the scrows are almost flat.it is very heavy. not easy to put on and off, I heart my fingers 2 times.I want to send it back and get a better one.
AP
Reviewed in the United States on May 24, 2018
After less than a year, the lock mechanism stopped working, making it practically impossible to turn the key
Steve Ludwig
Reviewed in Mexico on November 18, 2018
Bueno hasta el momento no han robado mi bici
JLK
Reviewed in the United States on October 22, 2017
Works great! Quite heavy. Comes with extra keys.
Diegoboy
Reviewed in the United States on April 18, 2017
Very nice U-lock. It is wide enough to accommodate a Fatbike wheel. 90mm wide rim, 4.6" wide tire.2015 Specialized Fatboy SE
A C 21
Reviewed in the United States on March 15, 2016
I received this item on the mail couple days after i ordered it.I'm happy with it, it's a little heavy for my fixie bike (i know it says atb, but i saw the review & the price).It came with 5 keys, the biggest key has a led light when you press it. I like the bracket, it's a snap on style.Once i learn how to unlock it properly, it didn't take time to unlock it.
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