We attacked five heavy-duty bike locks with a variety of tools commonly used by thieves to see which lock is best for protecting your ride. The weapons of destruction we used included 24-inch bolt cutters (easy to conceal, since they need only leverage and a firm grip to cut), a 10-inch hacksaw fitted with a metal-cutting blade, and an 18V angle grinder (a loud, spark-shooting cordless tool used in metalworking). Most bike thieves use just one of these tools to steal your ride. We used all three. To see which locks kept up the best defense, click on the gallery below. Launch Gallery >>
Photograph by Plamen Petkov
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