Buy Cheap Master Lock 8184DSG 8-1/4-Inch U-Lock with Bracket 
Buy Low Price From Here Now For use on gym lockers, sports bags, bicycles, skateboards, snowboards, roller blades, motorcycles, generators, and ladders. Covered body and shackle prevents scratching. Double locking shackle withstands 3.5 tons of pull. Hardened steel shackle resists c utting and sawing. Includes carrier bracket for storage convenience. 8-1/4" wide case, 1/2" diameter shackle, and 5-1/8" horizontal shackle clearance.
Readmore Technical Details
- 8-1/4" (21cm) wide steel lock body for strength
- Hardened Steel Shackle resists cutting and sawing
- Withstands 3.5 Tons of Pull Strength
- Covered Body Prevents Scratching
- Carrier Bracket for Storage Convenience
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"decent, but poor mount design" 2009-08-24
By Austin Outhavong (Madison, WI USA)
this lock will rattle when mounted.
also, if you mount this on the vertical tube of your bike and you wear shorts, the shorts can catch on the lock. dangerous!
"absolute piece of garbage" 2009-06-10
By Jeremy M. Kirk (atlanta, ga usa)
Piece of junk. Waste of money. Garbage. Does not deserve one star. Zero stars. Negative stars.
It felt like a piece of garbage from the first time I put the key in, but it's for a crappy around-the-town bike that I only paid $10 for, so I wasn't too concerned about high security. I found that every time I locked or unlocked my bike I'd spend a few seconds trying to get it to open. After a month it stopped working entirely--my bike was locked up at the train station a mile from my house.
I called Master and they immediately offered to send a replacement. What about my bike, I asked. Just cut it off, they said. I cut the lock off with bolt-cutters, and the next day the new lock came it the mail. Great, I thought, that first one must have been a lemon. But the new one was just as crappy, and like an idiot, I used it for three weeks, struggling to get it open every time.
And now my bike is locked up and this piece of crap won't open. In the morning I'll call Master and they'll offer to send me a new one. I will demand my money back, and eventually buy the Kryptonite that I should have gotten in the first place.
"Worst lock ever!" 2008-11-12
By MC
The lock mechanism is the worst I've ever seen. My key jammed and broke off after only two months. Even under regular conditions, it'd still take an average of 60-90 seconds to lock or unlock the bike.
Unacceptable performance from a supposedly quality brand. Stay away!
"Worst lock ever" 2008-11-12
By MC
The lock mechanism is the worst I've ever seen. My key jammed and broke off after only two months. Even under regular conditions, it'd still take an average of 60-90 seconds to lock or unlock the bike.
Unacceptable performance from a supposedly quality brand. Stay away!
"Mechanism Doesn't Hold Up" 2008-10-01
By T. Penn (Philadelphia, PA)
I've had two of these U-Locks, the locking mechanism is just poorly designed. The first one I traded in because the key broke off in the lock after the third time using it. The second one no longer opens after only 1 year of use, the mechanism just froze up. I'd recommend spending a little more to get something that will last.
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