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Old 09-14-08, 09:29 AM   #1
PDR
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Bike security, so you think you have a strong lock?

I just thought that I would post this link to some tests of motorcycle chains being cropped.

I realise that these men where using a lot of force on the locks with full size bolt croppers but I think it goes to show just how vulnerable locks can be if the thief has a few moments alone with a locked bike. There again if you saw two guys with uniforms and hi-viz jackets cropping a lock and loading a bike into a van would you ask them what they where doing?

BTW, I don’t use any lock on my folder, I take it with me
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Old 09-14-08, 04:28 PM   #2
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Exactly the same thing I do with my own folders. I don't lock them up outside-ever!
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Old 09-14-08, 06:31 PM   #3
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I would still feel more secure with a giant chain lock over a u lock.
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Old 09-14-08, 06:59 PM   #4
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I lock mine outside, but only where I can see it.
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Old 09-14-08, 07:28 PM   #5
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Those are heavy motorcycle chains. What chance would any bicyclye lock or chain have?

One thought: If you keep the chain away from the ground then they wouldn't be able to use their body weight leverage on the bolt cutters.
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Old 09-15-08, 07:50 AM   #6
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lets not forget that this is a HUGE bolt cutter ...... those chains will deter 98 % of thieves ....
after all.

Remember that thieves are lazy they will pick the easy bike first all the time. Thats why even a flimsy but lightweight lock is better than a heavy 5 lbs lock, you have in your garage and not with your bike at all times....

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Old 09-15-08, 10:27 AM   #7
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Those are heavy motorcycle chains. What chance would any bicyclye lock or chain have?

One thought: If you keep the chain away from the ground then they wouldn't be able to use their body weight leverage on the bolt cutters.
I notice they are also using some paddings on the floor so the cutters has a grip on the floor.

How about dropping some oil or grease on the floor next to your bike.
That would be fun to watch. :-)
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Old 09-15-08, 02:22 PM   #8
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good info, but i can't believe those guys aren't wearing any eye protection. did you see the chunks of metal fly when the chain gave out?
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Old 09-15-08, 02:29 PM   #9
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I uglified my bike so it doesn't get stolen, and it worked! I locked my bike near the side of my house beside my bro's bike, and his got stolen, but mine was still there. I guess the thieves thought it was waaaaaaaaay too distinctive to steal.
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you should learn to embrace change, and mock it's failings every step of the way :p
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Old 09-15-08, 02:33 PM   #10
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I notice they are also using some paddings on the floor so the cutters has a grip on the floor.

How about dropping some oil or grease on the floor next to your bike.
That would be fun to watch. :-)
nice one, but seriously I dont think a thief would break into your house with a big ccutter like that through the window of your garage to break a chain. But you are right about the paddings, and as someone said, is a nice idea to keep the chain out of the ground or something so it wont be easy
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Old 09-15-08, 05:29 PM   #11
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Miniature Rottweilers might fit in a pannier.
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Old 09-16-08, 02:35 AM   #12
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There used to be a saying "All bikes weigh 60 pounds"
It worked like this:
A 20 pound bike needs a 40 pound chain = 60lb
A 30 pound bike needs a 30 pound chain = 60lb
A 40 pound bike needs a 10 pound chain = 60lb
A 50 pound bike needs a 10 pound chain = 60lb

BUT a 60 pound bike needs no chain at all!
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Old 09-16-08, 02:43 AM   #13
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When some people at my school have a thin cable and a locker combo lock locking up their $1000 Giant bike, while I have a $70 Kryptonite evolution mini protecting my beater road bike, and my $600 MTB, depending what I ride that day, I'm not too worried.
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Old 09-16-08, 05:00 AM   #14
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That's probably the best idea - park next to something better
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Old 09-16-08, 05:11 AM   #15
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It's actually more important what kind of lock you have on it. If it is easier to steal, even if it is a cheaper bike, the thief will generally go for the cheaper lock. So get a good lock!

My beater Sekine road bike: Lock is worth more than the bike!
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Old 09-16-08, 08:49 AM   #16
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Dude, where's my bike

check out this ex-bike thief on you-tube.

YouTube - How to steal a bike



I don't think any lock is really going to stop a determined thief
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Old 09-16-08, 09:16 AM   #17
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I use a half decent lock but also stick this little alarm on.

http://www.shedrite.com/itemdetl.php/itemcode/33

I don't usually leave my folding bike locked up if I can help it (Dahon MU SL), but use this on my commuter road bike all the time (Bianchi C2C). I haven't quite worked out how best to secure it to the frame so that it stays squealing with the bike if it's stolen....
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Old 09-16-08, 09:49 AM   #18
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I don't think any lock is really going to stop a determined thief
Exactly. So the point is to make sure he's not determined.
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Old 09-18-08, 05:34 PM   #19
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Cyclists need to use what President Bush calls "straterjurey" If a bike is going to be left on a public street in a big city for more than a few minutes, you need a "beater" bike that is too ugly to steal. Under the ugly paint, it can have Reynolds or Columbus steel, but it needs to be ugly.

Put a two pound u-lock around the front wheel and the frame. Put a five pound u-lock around the rear wheel and a beefy pole that is set in concrete. Park next to a shiny new Cannondale that is locked with a $5 cable lock. Which bike is the crook gonna take?
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Old 09-18-08, 07:22 PM   #20
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My strategy works for me... I stopped carrying a lock. This necessitates that I MUST leave the bike in a secure enough place, eg fold it, carry inside and place in an out-of-the-way corner in the same room where I have to be, like doctor's waiting room. I never ask permission, this can result in people refusing permission. But if I brazenly carry or wheel it inside as if it is the normal thing to do, nobody bats an eyelid. Don't give them opportunity to think about it.
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Old 09-22-08, 09:26 AM   #21
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But if I brazenly carry or wheel it inside as if it is the normal thing to do, nobody bats an eyelid. Don't give them opportunity to think about it.

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There ya go! I figured out that technique long ago. Just stare straight ahead and walk with a purposeful stride, and you'll fool 99% of the people into thinking you belong wherever you just snuck in and know WTF you are doing there!
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Old 09-22-08, 09:28 AM   #22
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I agree with Alanb, too. That's why I like to keep my bikes, and my motor vehicles, looking as ugly as possible.
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