Technical > General Technical

Theft prevention

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John Saxby:
My general approach is the same as WorldTourer, above.

Occasionally, I'll bring my bike into a supermarket and arrange to leave it near the cash registers.  (Travelling in Sweden a few years ago, I asked one of the cashiers, and they said, "Just take it around the store with you."  I thought, "I could live here.")

I also have a TiGr Lock Mini+, about 400g, and take that along if I think my usual drill will need some backup..

ourclarioncall:
The “Attila the hun” method is the ultimate in protection

Never get off your horse 😁 and it’s free and weighs nothing

ourclarioncall:
What’s the two biggest weapons used in theft ?

Bolt cutters and Angle grinders?

So what products cannot be defeated by bolt cutters , but CAN be defeated by angle grinder ?

And what products are undefeatable by both ?

UKTony:
Life is a risk and all you can do is try and minimise the risk as far as is reasonable.
 I can think of more subtle tools to snip out a Rohloff hub.
If you google strongest bike lock, the Krytonite New York D lock comes up. Trouble is the D ring on this is quite small and likely won’t go round frame/back wheel AND immovable  object. So you’re going to need two or combine it with a less resistant cable.
Regarding JohnR’s point above about Gold secure rated locks  and bike insurance, I believe, but you’d have to check, that the TSB bike insurance discussed recently in this forum, does not stipulate any particular standard of lock.

PH:

--- Quote from: UKTony on January 08, 2021, 10:02:29 AM ---Regarding JohnR’s point above about Gold secure rated locks  and bike insurance, I believe, but you’d have to check, that the TSB bike insurance discussed recently in this forum, does not stipulate any particular standard of lock.

--- End quote ---
This is correct, I did try and get some confirmation, but the closest was that it should be appropriate.  I use a Kryptonite New York Std Sold Secure Gold lock and a Sold Secure Silver chain.  On an urban ride I'll just take the D lock if I know where I'm parking, the chain as well if I don't.  I take just the chain for day rides and touring, where I may leave the bike while I pop into a shop or at the campsite, but wouldn't leave it and go off for an hour.  I hope to never put it to the test, but I believe that would classify as appropriate.  My Gold rated lock weighs 2kg and there are Gold options a bit lighter, but not all offer the same protection, I also have an older Squire Gold D lock that weight a fraction over 1kg, but only have one key left so don't use it often. My Silver rated chain doesn't weigh a lot less 1.6 kg, but it does offer more options, both locking and carrying, due to the size.
Nothing is secure of course, the test for a Gold rating is only a few minutes, even heavy motorcycle locks that you wouldn't want to carry on a bike will only double it.  My D lock is claimed to resist any hand tools and is double locked so would need two cuts with an angle grinder.  I've had one bike stolen and one vandalised to death, both were cheaper bikes, that's not a big enough sample to draw any conclusions.

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