![]() Unless you’ll be parking your bike long-term where it will be exposed to potential thieves who will have time to spend cutting your lock, your best bet is a compact lock you can stuff in your jersey pocket. Locks in general are most effective at countering thefts of opportunity. ![]() That means choosing the best lock for you comes down to two factors: a quality build that counteracts compressive and shear forces as much as possible, and a design that allows you to carry the lock with you easily so you’re more likely to actually use it. Cutting a bike lock isn’t a complicated affair and pretty much any bike lock on the market can be cut with the right tools. Ottolock is very upfront about the fact that it’s possible to cut through its locks with the right tools and enough time. If it’s possible to cut through locks, why should I bother buying one at all? Which lock should I buy? Ottolock founder Jake VanderZanden explains the different types of forces thieves use when cutting a bike lock. Instead of getting cut, in other words, the internal bands slip against each other, dispersing some of the cutting force. The bands within the lock slide against each other, essentially counteracting the shear force from the cutting tool. In order to counter shear cutting force, the Ottolock features a slip-plane design. This type of force works best when cutting a bike lock that’s got a more flat profile, like the Ottolock. Instead, they ‘shear’ alongside each other as they press through material. Think of tin snips: the blades of tin snips don’t line up directly against each other. Shear force, on the other hand, offsets the angle of attack. This is particularly effective when cutting a round cable the force applies at a single point on each side of the cable. ![]() That’s how heavy-duty bolt cutters work: the jaws clamp the lock from opposite sides, pushing directly against each other to destroy the material in between. As it turns out, there are two primary forces: compressive force, and shear force.Ĭompressive force employs direct pressure applied directly on each side of your lock. In the video above, Ottolock founder Jake VanderZanden walks us through the different types of forces one can use when cutting a bike lock. Cutting a bike lock with compressive or shear force While any bike lock can be cut if a thief is determined enough, it’s possible to hedge your bets by understanding the two primary forces used to cut locks: compressive force, and shear force. It helps to understand the different types of forces a thief can use when cutting a bike lock. So how do you know which lock to buy? Which one will keep your bike safest?
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