Originally Posted by
indyfabz
There are 10,000 possible combinations. 0000-9999. Even if one could try a different one every 3 seconds (those numbers don't spin easily) it would take over 8 hrs. non-stop. And it comes with a metal tag with the combination on it. I tucked mine away for safe keeping.
Back when I was a teenager, I quickly figured out only one of those disks was holding the tang in. Try up to 10 numbers, one would let the tang move a little. Figure out which disk was next, and repeat. I could open our locks inside a minute.
Maybe Master has better QC than those cheap bike locks, but I'd think a professional bike thief would have a better feel for the lock than a bored teen.