How to Crack a Combination Bike Lock in Under 30 Seconds
Have an old bike combination lock that you can't remember the code for? If it's a simply four-digit lock, you can pretty easily figure out the combination with a quick peck-and-go method.
Best of all, this method doesn't require any tools or special know-how. All you need is a bit of patience and you'll have your combo in no time. Also, it should also go without saying—don't be a jerk and use this to steal bikes.
Get all the digits to line up with at the starting position. You can with any digits, but it just makes sense to start at 1.
The method here to to tug at each end until you see a gap form. For example, when the first number has the correct digit, you'll notice a small gap between the first and second slots.
As you can see below, once the first number reaches 3, you can notice a small gap when tugging at each end. This means we have our first combination digit.
Go down the line until you each the final number. Here, when you get the correct digit and pull on each end, your lock will open up.
For more information, check out the video guide below from YouTube user diilonp23.