I recently moved and my new bike lock broke, and I found my old one, but I forgot the combination. I used to have a paper that had the code, but I lost it during the move. I tried pulling both sides and listening for the click or feeling for unlock but it didn’t work and when I pulled it to far the combination wasn’t turning. any suggestions?

by No_Comment_5888

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17 Comments

  1. That’ll take like two hours to brute force. Put in a TV show and start turning!

    Could also try important numbers to you first.

  2. Thick_Carry7206 on

    put on a few good podcasts and start turning. 9999 possible combinations, 2 seconds per try, 5 and a half hours max.

  3. blueeyesblacktee on

    Brute force it. 10.000 combinations. Trying 1.000 a day it should be ready on average by day 5.

  4. NikolitRistissa on

    If you can afford it, I’d get a new lock entirely.

    Combination and cable locks are both more of a suggestion than an actual security measure. A determined thief can get through just about any lock, but these ones in particular, are very easy to get by.

  5. RideAltruistic3141 on

    It’s not really worth it. The actual easiest way to unlock this lock is to do exactly what a bike thief would do, which is take a good pair of bolt cutters to it and have it open in <2 seconds. Unless your bike is a beaten up old boneshaker, you should be locking it up with something stronger.

  6. Radiant-Style-5839 on

    You could try putting pressure on the mechanism by pulling on both ends of the lock or wedging something in the gap where it opens and feeling for resistance when turning the dials. Set the number that it pops into after the sudden increase in resistance.
    If the combination is not right try the same method but rotate the dials the other way.

    It’s a design flaw on a lot of cheaper combination locks.

    Good luck!

  7. Economy_Care1322 on

    Put one end of the cable under your foot. Add a little tension with one hand. Find the one disk that doesn’t spin freely. Turn that dial until it clicks free. Now do the same for each of the other three.

  8. If you pull on combination locks and spin the barrels one by one, sometimes you can feel a tightness when it hits the right number.

    Some locks are pathetically easy to crack. Others can be much less susceptible. Worth a shot

  9. We used to pick these as kids in middle school. It took seconds once you got the feel of them clicking into place.

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