Modulus Bike Lock

Cyclists who don’t live in big cities like New York, Los Angeles and Boston often can get by with less lock than their big-city brethren. A new option for these pedalers who only need medium security is the Kryptonite Modulus 1010S, a lock with two independent 3.5-foot cables that debuted at last fall’s Interbike trade show. I got one at that time and have been using it ever since in my non-big-city town of Mammoth Lakes, Calif.

The Kryptonite Modulus, $36, is unlike any lock I’ve used before. Each cable acts as a noose: Just thread the cable through the closed loop and around your wheels and/or frame and then around a fixed object and feed the cable plug-like tip (similar to the ends of the “U” on a U-lock) into the base. You’re locked! Use the other noose to increase security, lock another wheel up, or even add another bike to the secured mix.

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Kryptonite Modulus 1010S Bike Lock

After about five months of use, the lock has performed flawlessly. I have used it around Mammoth Lakes, Calif., where I live — and where bike theft is not a big concern (knock on titanium). I never worry about my bikes with this lock. Although I wouldn’t use it in a big city on an expensive rig, I would go for it on a less expensive bike even in a metro area. The Modulus 1010S offers plenty of deterrent.

A final note: Last weekend, I discovered a great off-label use. It does double duty as a snowboard/ski lock. Much beefier than the vast majority of anemic ski locks, I wasn’t worried to leave a few brand new boards I’m demo-ing for next year locked to a ski lodge while I went inside. So if you’re looking for a lock that does a little of everything, is fairly light and packable, definitely check out the Modulus.

(Note: The lock is not currently on Kryptonite’s web site. Retailers like REI sell the 1010S for $36 or less. REI link here.)

—Stephen Krcmar has had bikes stolen in Boston, Los Angeles and Black Rock City. His semi-regular alleycat, Thus Climbed Zarathustra, is this weekend in Los Angeles.

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