Sure, there are plenty of days that a quick and lightweight cable lock will do the trick, but that won't suffice in the city, and certainly can't be trusted to keep your pricey steed safe for your full 8-hour work day at the office. That's what the Kryptonite Evolution Series 4 1016 Integrated...

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The Kryptonite Evolution Series 4 1055 Mini Integrated Chain Lock might look petite at first glance, but don't let its small statue fool you, it packs a serious punch. It's made from burly 10-millimeter, six-sided, 3T manganese steel links that withstand cutting and shattering with resilience,...

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Bike thieves should beware of the Kryptonite Evolution Series 4 1090 Chain Lock. With 10-millimeter, 6-sided chain links made from 3T Manganese steel, it's anything but easy to break. This burly lock can secure your pride and joy with confidence, and it won't scratch your frame in the process...

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For over 40 years, Kryptonite has been the leader in action sports security, and their Evolution Series 4 Disc Lock shows exactly why they'll continue to lead the industry. Its 14mm hardened MAX-Performance steel shackle resists cutting and leverage attacks, while the double deadbolt locking...

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No matter what your reason is for riding a bike, protect it with the Kryptonite New-U Keeper STD with 4' Flex Cable to ensure your beloved steed never falls into the wrong hands. Built with a Hardened Performance Steel construction, the lock's double deadbolt resists twist-and-leverage attacks...

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