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I have once again had my disk brake stolen on my bike in my apartment building. Being a high rise they forbid us taking bikes up in the elevator (and I don't really have the space to store it anyway). But they don't put any camera in the locked bike room.

So, people from the building can just go in at night and take out the brakes. The first time (different building), it was the whole wheel and the brake. This time, they left the wheel alone, but took out the brake handle, cable and the clamp. It's incredibly annoying to replace a $150 part every time some loser decides to steal in his own building.

What are some possible strategies to deter that? Locking the wheel would be an option, using an extra lock. But I don't think it would stop someone from just removing the brake components.

I have had a suggestion for non-standard fixation bolts. Also, Deterrents against partial (component) theft they suggest gluing the parts together. Or soldering in the head of the bolts.

It's a nice, but old-ish bike that I don't intend to sell - I don't mind scuffing it up a bit to secure the brakes.

Any suggestions? Keeping in mind that it should stop someone from easily ripping off the brakes in a 15-30 minute time frame, using regular tools. i.e. just get the loser to steal from another unsecured bike.

Another would be to install a spy camera and catch the person in the act. That might work, but they could also steal the camera if they see it. And it's a 400-500 person building, no guarantee they are easily recognizable.

Or a sound alarm. But the bike can easily be jostled by someone just trying to get at his own bike in the next rack over.

In any case, the solution only really needs to work in my building, so it can be fairly heavy, as long as I can just leave it on my assigned bike rack.

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    Have you posted a warning saying theres a bike thief in the building? You should have the wheels (and seat) locked anyway. Non-standard/security bolts are the way I'd start -- whats your opposition to them? They're easy to use, you rely on the thief to have those particular tools, and you can remove them if you have the tool for service. – Batman Aug 9 '16 at 23:32
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    "they forbid us taking bikes up in the elevator" Tell "them" to go f_ themselves until they solve the bicycle security problem. – Kaz Aug 9 '16 at 23:55
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    One problem with building bicycle rooms (that are locked) is that everyone has the key and it never changes. By the time the building is ten years old, who knows who out there has the key. An important step would be for the owner's association ("strata" or whatever) to change the locks, and issue new keys to legitimate owners. – Kaz Aug 9 '16 at 23:56
  • @Kaz same with share houses. I lived in one place where there was a spare key outside that hadn't moved in 10 years... everyone who knew us knew where it was. One thing I do every time I move into a new house or apartment is re-key all the locks (and give a copy of the new keys to the manager). – Móż Aug 10 '16 at 0:07
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Realistically there's nothing you can do to stop a thief who has regular, unsupervised access to your bike from stealing parts of it. You can only have nothing he wants to steal, or not put your bike there. But you can make it more annoying for him (at the risk of vandalism, either accidentally when trying to steal stuff, or deliberately out of frustration).

There is a whole world of "secure" bolts out there, and a matching world of drivers for those bolts. At best it's "security through obscurity" but in reality someone who wants to steal your bike parts can buy a $20 set of "200 different security drivers" and remove 99% of those very easily. We've had a question about those closed as too broad, which really translates to "impossible to answer".

enter image description here

Most of the solutions I've seen just add time and tools to the removal process, which doesn't really help when the thief can check up on what you do then come back a few days later with different tools. Using ball bearings in the heads, or hose clamps over them, is unlikely to work for that reason.

One fairly easy approach is to buy a roll of stainless steel wire and a crimping tool. They're not too expensive and the wire is lightweight. Once you have one they turn out to be quite useful, and with ~2mm wire you can tie components to your bike. It's relatively easy to cut the wire with decent side-cutters or cable cutters, but hard to cut with bolt cutters because it's too thin. It's also harder for a thief caught in the act or on camera to argue that it's their bike they're working on... because if everything is tied on, where is their replacement wire and crimping tool?

small swaging tool

wire size vs weight chart (both via SWR.com)

One problem is that you don't know whether it was a one-off theft by someone who wanted the brakes for themselves, or a theft for sale. If the latter I'd expect more stuff to go missing on an ongoing basis, which means you reporting the theft is important. The sooner building management know there's a problem the sooner they can act.

  • "It's also harder for a thief caught in the act or on camera to argue that it's their bike they're working on..." Well, if there are cameras, you don't need to mess about arguing that it's not their bike because they don't have the right tools. You can just argue that it's not their bike because it's your bike. And, honestly, anybody other than you catching them in the act is unlikely to know what they're supposed to be looking for, anyway. – David Richerby Aug 10 '16 at 16:56
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Pitlock makes keyed bolts for disc calipers. You can also get them for most of the other theft-prone parts of your bike, and you can get them all keyed alike and order extra keys and sets for other bikes. Their products work really well. It is true that they're not going to stop someone with enough time.

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