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Your favorite , lightest weight, least bulky, bike Lock

Old 04-19-15, 11:01 PM
  #1  
cyclezealot
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Your favorite , lightest weight, least bulky, bike Lock

Any recommendations. ? Two friends have had their bikes stolen of late. One a Six thousand dollar carbon bike, the other a 1500 dollar commuter. All they had been using were thin cable locks.
Do secure bike locks have to be clumsy and heavy weight? I will soon be touring and hope not to have to carry a lot of weight or use up great lengths of my down tube, it is already cluttered with accessories. Any ideas.?
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Old 04-20-15, 02:00 AM
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I would never use a cable lock as my only means of locking my bike up. I use a Kryptonite U lock, and then the cable for the back wheel. It will be a trade off for you however. Big and bulky and a better chance at keeping your bike, or flimsy and light like a cable lock where you come out to it cut and your bike gone.
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Old 04-20-15, 02:18 AM
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So nothing exists that is light and strong . ?
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Old 04-20-15, 06:59 AM
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Originally Posted by cyclezealot View Post
Any recommendations. ? Two friends have had their bikes stolen of late. One a Six thousand dollar carbon bike, the other a 1500 dollar commuter. All they had been using were thin cable locks.
Do secure bike locks have to be clumsy and heavy weight? I will soon be touring and hope not to have to carry a lot of weight or use up great lengths of my down tube, it is already cluttered with accessories. Any ideas.?
You could go heavyweight on the lock and compensate with e-assist like flykly or copenhagen wheel or go for embedded locks, the lightest locks being those that are the bike itself like the seatylock, the saddle lock, the bendy bike...though i don't think they are very secure. The good news is that a thief may have to damage the bike itself in order to steal it which may deter some.
You could also go for folding bikes.

Last edited by erig007; 04-20-15 at 07:04 AM.
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Old 04-20-15, 09:21 AM
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So nothing exists that is light and strong . ?
its an Either/ Or, and location is the 3rd Variable component.. So California Or south Coast of France?

I have 2 Locks on one bike (its not a Light Bike ) a Ring lock on the frame closes around the rear wheel, and a chain with a pin that snaps into the ring lock
secures the front wheel, and secures the Bike to Something..

Other good but not light Locks: Abus steel chain with attached lock, and Bordo folding link lock..

Some people tout the TiGr lock, a long strip of Titanium flat bar with a lock closing it into a flat-ish loop.

it can be cut by Bolt cutters but its said to take longer than a quick snip with those same 4' long bolt cutters.

Last edited by fietsbob; 04-20-15 at 09:26 AM.
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Old 04-20-15, 09:32 AM
  #6  
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Originally Posted by cyclezealot View Post
Any ideas.?
A dog leash. The other end goes on a pit bull.
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Old 04-20-15, 09:38 AM
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Kinda like locking the door when they can just break the window. I'm struggling with this right now. I'm thinking of buying a cheap used bike to commute, w/ lock. The nice bikes for fitness/fun rides.
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Old 04-20-15, 09:39 AM
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I use a rear wheel lock (almost all bikes in the Netherlands come with this lock preinstalled) and an Abus U lock. My bike is also insured for three years (as are most new bike bought here in Holland).
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Old 04-20-15, 09:41 AM
  #9  
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Originally Posted by Dave Horne View Post
I use a rear wheel lock (almost all bikes in the Netherlands come with this lock preinstalled) and an Abus U lock. My bike is also insured for three years (as are most new bike bought here in Holland).
In the US most insurance companies have such high deductibles , as to render them useless when it comes to bikes.
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Old 04-20-15, 09:59 AM
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For a lightweight option, I would recommend a (good quality) mini U-lock along with Pitlock or Pinhead security skewers to lock your wheels. Pitlock and Pinhead also make locks for your saddle.
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Old 04-20-15, 10:03 AM
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Atomic22 - The ultimate bicycle security solution has security bolts with special fastners to secure components to resist stripping the bike while locked up..
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Old 04-20-15, 01:03 PM
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Maybe a quality Kryptonite lock? Those aren't light by far but at least they have insurance which covers bike theft even if you don't have homeowners' insurance. Avoid the Kryptonite chain locks. Kryptonite requires that you have the broken lock in your possession. The problem is that if a chain is broken, it still has value. The thief just broke one link. The other links are perfectly serviceable. And high quality, case-hardened security chains are pretty valuable. I've heard of people who had their Kryptonite chains broken and taken by the thieves. They were then out of luck with Kryptonite ...

Abus locks are relatively light because they use special steel ... but that's like comparing a Ford Ranger to a Ford F-150. Okay, one is lighter, but not really by much, and both aren't exactly light vehicles.
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Old 04-20-15, 01:24 PM
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Apparently such a secure solution that you need a username and password to even view their site!
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Old 04-20-15, 02:00 PM
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As Fitesbob mentioned, a TiGr lock is the ultimate solution to the OP's requirements.
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Old 04-20-15, 02:49 PM
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Originally Posted by chaadster View Post
As Fitesbob mentioned, a TiGr lock is the ultimate solution to the OP's requirements.
Not really much more secure than a cable lock though.

https://www.youtube.com/watch?v=kb8YoT9Q9VA

FYI my bike was stolen by someone with similar apparatus to the woman in this video, although I had a cable lock.
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Old 04-20-15, 08:28 PM
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The wider version of the TiGr is not as easy as this to cut. Would require something much more robust than what you'd find someone typically carrying around with them. But anytime you say light as a requirement, you'll lessening the security of the device.
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Old 04-20-15, 08:35 PM
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^^^
To be honest, I don't believe those bolt cutters in the video would cut a good mini Ulock. To cut a Ulock with a 16mm shackle would require 48" monster size bolt cutters. Even a 13mm shackle is extremely difficult to cut with 48" bolt cutters, and I don't think it's possible with the 36" size cutters. If the mini-U has an 18mm thick shackle or more, I don't believe any bolt cutters will get through it. At that point it will require power tools.
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Old 04-21-15, 12:36 PM
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Originally Posted by SouthFLpix View Post
^^^
To be honest, I don't believe those bolt cutters in the video would cut a good mini Ulock. To cut a Ulock with a 16mm shackle would require 48" monster size bolt cutters. Even a 13mm shackle is extremely difficult to cut with 48" bolt cutters, and I don't think it's possible with the 36" size cutters. If the mini-U has an 18mm thick shackle or more, I don't believe any bolt cutters will get through it. At that point it will require power tools.
Agreed.
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Old 04-21-15, 11:10 PM
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Originally Posted by SouthFLpix View Post
^^^
To be honest, I don't believe those bolt cutters in the video would cut a good mini Ulock. To cut a Ulock with a 16mm shackle would require 48" monster size bolt cutters. Even a 13mm shackle is extremely difficult to cut with 48" bolt cutters, and I don't think it's possible with the 36" size cutters. If the mini-U has an 18mm thick shackle or more, I don't believe any bolt cutters will get through it. At that point it will require power tools.
That's why one should consider resistance to prying attacks. The best u-locks were designed with prying attacks in mind. On YouTube videos of bikes getting stolen, most of the time it's a pry bar - not a bolt cutter - that's being used.
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Old 04-21-15, 11:22 PM
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Any lock can be defeated . . .
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Old 04-22-15, 04:31 AM
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Originally Posted by Deontologist View Post
That's why one should consider resistance to prying attacks. The best u-locks were designed with prying attacks in mind. On YouTube videos of bikes getting stolen, most of the time it's a pry bar - not a bolt cutter - that's being used.
While you may want to go with the wider 125 TiGr if 3ft bolt cutters are an issue for you, none of the TiGr locks can be pried open.

In any case, ultimate security was not the OP's priority, so absent that, there is nothing on the market at this time that provides as much security combined with light weight, ease of use, and discreet, on-bike portability as the TiGr.

Additionally, I'd suggest the TiGr, due to it's scarcity and cost, offers more theft deterrence that more common and least expensive locks of any type which theives will be more familiar with.
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Old 04-22-15, 04:55 AM
  #22  
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Originally Posted by zonatandem View Post
Any lock can be defeated . . .

Originally Posted by fietsbob View Post
its an Either/ Or, and location is the 3rd Variable component.. So California Or south Coast of France?...
I'm not sure if fietsbob is drawing a distinction about the relative safety of California vs the South Coast of France, or which is the more safe. But I depend on location for my (expensive) bikeís safety.

I do believe that at any lock can be defeated, so I donít carry one to save the weight and volume. When Iím out for a long dayís ride, the only time I might abandon my bike is for a bathroom stop. By the time I need one, Iím usually out in the suburbs, where everyone travels by car, and would have to load my bike to flee. I always stop at a fast food restaurant and bring the bike inside, and quickly do my business (donít even wash my hands ). Outdoor pit stops in relatively populous Metro Boston does carry some risk for arrest as a level 3 sex offender.

Furthermore, I figure Iím conspicuous as I clack-clack-clack in cycling attire across the floor, and a would-be thief would be conspicuous as not-the-owner of my bike. I do admit that threads like this make me nervous, and maybe Iíll start carrying a light cable lock this season as a deterrent for those quick stops (or bring the bike all the way in).

Otherwise, for extended visits indoors, I only do so if I can bring my bike in, or I plan my errands without the bike, if I canít.

When my wife and I used to tour in the 70's and 80's we carried a long heavy cable and padlock for both bikes, so the weight was shared. Again we tried not to let the bikes out of sight, and at night when camping they were locked immediately next to the tent.

Last edited by Jim from Boston; 04-22-15 at 05:38 AM.
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Old 04-22-15, 06:38 AM
  #23  
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Originally Posted by Jim from Boston View Post

I do believe that at any lock can be defeated, so I don’t carry one to save the weight and volume
I like your reasoning it throws away all my years learning maths at school

Probability of successful attack knowing that i have the lock X: 0 = 50 = 25 = 63.5 = 100 (%)

A lock will defeat a certain number of attacks depending on many factors. How many attacks no lock at all will defeat?

I believe there is other means to protect a bike that adds up to a lock but a lock is an essential part of security at least if you want to leave your bike in the street in most cities in the world.

Some have tried other means but it wasn't utterly efficient at preventing theft, if at all.


Last edited by erig007; 04-22-15 at 07:29 AM.
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Old 04-22-15, 07:19 AM
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The issue is in treating security as a binary system when it's really a spectrum of varying levels of security.


Yes, any lock can be defeated by a sufficiently motivated thief, even if it means he waits for you to show up and orders you to unlock the bike at gunpoint.


So since any bike can be stolen, it's merely a matter of scaling the locking to the type of threat and the circumstances in which the bike is unattended. Overnight at an urban university dorm bike rack where you leave it at the same rack every night calls for a different approach than running into a rural/suburban shop for ten minutes to recycle the previous gatorade and buy a new one.


Here's a good read: The Best Bike Lock | The Sweethome
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Old 04-22-15, 07:32 AM
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Originally Posted by cyclezealot View Post
So nothing exists that is light and strong . ?
No. Anything less than the heaviest u lock you can find is a waste of money and time. Locks just make your bike harder to steal. Even the best lock cannot prevent all thefts.
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