Questions tagged [lock]
Locks are used to secure bikes. Common varieties are cable/chain locks and U-locks (D-locks).
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How interchangeable are security wheel skewers?
When I bought my bike a few years ago I fitted these 'security' wheel clamps: https://www.decathlon.co.uk/p/seat-post-and-wheel-security-bike-clamps/_/R-p-170559
I've now managed to lose the ...
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Chain lock vs U lock harder to break?
I watched a video from youtube where lockpicking lawyer recommended a Kryptonite chain lock due to being harder to break into with an angle grinder because it's not stable versus an U-lock.
Does this ...
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How expensive of a bike can be safely locked outside [closed]
How much would a bike cost at most that can be reasonably left outside before it's too much risk of theft? Areas like
grocery stores
parks
gyms
etc. I think a $500 bike can be safely locked ...
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Someone else's lock on my bike
Earlier today, I had to leave my bike in the street to run some errands. Just after I was done attaching it to a barrier, a person came to me and asked me about my kryptonite lock as he was locking ...
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What kind of cutting wheels cut hardened U-lock shackles best?
I have a question which might be asked by honest people wanting to protect their bike from thieves, but unfortunately can also be asked by bike thieves. I hope this won't be downvoted, my intentions ...
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U/D lock or folding lock?
I have the black mounted lock you see below, and would like to buy a U/D lock or folding lock, so the bike can't be moved. I would prefer a 12mm wire where one end goes into the mounted lock, but many ...
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If you can only secure one wheel when locking bike which wheel is better
When I lock my bike I always lock the front wheel with my bike to the rack since front wheel is easier to remove. Is this the right choice?
I have only one U-lock so can only secure one wheel, not ...
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Is it worth paying double price for Kryptonite 10/10 lock?
The Kryptonite 10/10 or 9/10 security cost around 100-110 euro and the Evolution which is 8/10 security is 50.
Is it worth the double price?
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Silencing a rattling u-lock
I'm not sure if they're all like this, but my u-lock is a bit loose between the two pieces, the U and the bar. The provided mount snaps very very tightly onto the U, leaving the bar to fend for itself,...
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Could you please recommend bike lock for long rides and quick stops? [closed]
I have a high-end carbon bike. I do ride long on it, like 100 miles per day.
I am looking a bike lock for quick stops (grab water, food, visit a restroom) therefore requirements are simple: ...
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How do I obtain a duplicate bike key for my kryptonite U lock?
I want a duplicate key for my Kryptonite U-lock. I have the key number.
Where can I order an additional key that will work?
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Bicycle locks with alarm
I have a new bike, not very expensive... but still doesnt want it to disappear the next day and I was looking at different locks and came across lock that have an alarm which triggers a siren. Not ...
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Is my bike safer when parked in crowded places?
Is it safer to leave a bike somewhere where there are a lot of people like Walmart parking lot or somewhere with less people like at a park?
Locked in both cases but which case is more likely to get ...
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How to remove this skewer? A security feature?
I have this skewer but it seems to have, what looks like some sort of security feature and I can't figure out how to remove. Can anyone identify this or have any suggestions on how to remove it?
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Where to park a bike during a year for free ? (in the Netherlands?)
We are two French in love with the Dutch people and culture. Each time we have the time we rush there. Rather than hitchhiking (as we used to), we plan to travel across the Netherlands by bike as it ...
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Better Padlock for outdoor bike shed
I have a padlock for my outdoor bike shed. In two years I've got through 2 of them.
It is of the type pictured.
They have both jammed in different ways, but ultimately I need something that survives ...
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What is a good bike-to-lock ratio in price?
What is a good ratio, in prices, between your bike and your lock so that it would be reasonable. Say if your bike is 200 GBP, a lock of 20 GBP might be too cheap (or just right!). So where do people ...
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Ever seen a locking bag that could be locked to the bike?
This might take a little explaining.
I've got stuff on my bike that removes easily and could be stolen: head light, tail light, cyclometer. If I'm riding to a concert or something, I don't want to ...
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Recommendation for easily breakable bike lock
I want to purchase a bike lock which I can break easily if it gets jammed, preferably without any tool(or a very small/light tool which I can carry in my bag-pack).
I have tried two locks and both of ...
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How can I avoid tearing the valve loose from an inner tube with a wheel lock?
The problem
It sounds foolish, but I have too often torn the valve loose from the inner tube by rotating the wheel so that the valve is pressed against a closed wheel lock. Wheel locks are common in ...
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Securing a Penny Farthing- HOW?
Penny-Farthings aren't cheap as anybody who owns one will attest to at £1,300+ for a UDC Penny-Farthing. So I'm keen to secure it from theft, especially since I'd need to be able to evidence that I ...
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Modern bike security, a lock with GPS and SIM card?
These days many things are getting GPS and these things often also have a SIM card, so they can connect to the internet. (I think some call this internet of things)
Is there any bike lock out there ...
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Frame lock that can lock without key inserted
Does a frame/wheel lock that can be locked without the key being inserted exist? And if so, how secure is the lock itself (I heard that this style of locks that can be locked without the key inside ...
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Zip ties to hold smart-lock on frame
I've recently bought a smart lock for my bike that can be mounted directly on the frame. Problem is that my frame has no hole for screwing it on the frame. So I improvised with with 3 zip ties on each ...
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How can I prevent bicycle theft while bikepacking?
I’m planning a multi-day gravel ride with a few friends. We would have to sleep in public campgrounds, which are also full of people because of the camping season. What is the best way to secure our ...
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Can I copy my u-lock key?
I have an OnGuard u-lock with only one key. I contacted OnGuard about getting a backup, but it requires a serial number which was included with the original packaging. The number is not on the lock ...
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lock box to hold phone/wallet that attaches to my bicycle [duplicate]
I want to bike to the beach, lock my bike up and swim. I am looking for a high security box that either threads through my U-lock, bolts to my bike frame... so I can keep my wallet and phone in it ...
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Is there a ulock mount that uses the bottle cage openings?
I found one that a guy made I think with 3d printers or something but seems like an excellent solution.
I have a carbon frame bike and I don't want to use traditional ulock mount at the top because ...
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How should I lock my bike in a public front wheel bike stand
In front of my gym there is front wheel bike stand that means a regular D lock will not be able to reach from the stand to the frame.
Around the corner is some Sheffield style locks but they are out ...
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How secure are Security Wheel Skewers like Zéfal Lock'n'Roll?
I'm looking for a reliable locking system for my wheels to prevent being stolen, specifically for the front wheel as I always attach the rear one together with the frame with the U-lock.
I look for ...
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How does the Pog Security Washer work when using it with the Pinhead wheel locks?
I noticed when I got some Pinhead Wheel Locks that they came with an extra funky looking washer that looks like this:
They didn't describe much about it, but I did find some information about them:
...
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Lock jammed on bike
My cable lock is jammed. The key fits in but won't turn. What can I do? My bike is locked up outside on the street so I guess the first thing would be to put a second lock on it in case the first ...
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Attach Kryptonite Messenger Mini+
I got a Kryptonite Messenger Mini+ with a rear wheel extender. Really great design except for one thing: there's no way to clip it to the frame. The clip that I have depends on fitting on the straight ...
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How to register a custom built for Kryptonite's ATPO Program?
When registering for Kryptonite's ATPO Program here, you are asked for a bicycle make and model. With a custom-built, I have no idea what to provide there. I contacted customer service, with no reply ...
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When carrying a lock on body, which statistical data and experiences to consider re: safety concerns
With a custom-built bike in somewhat higher price regions, I now ended up with a high-security u-lock, which is also very heavy-weight. I also own a heavy-weight chain lock. For several reasons and ...
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New D-lock failed locked up
This doesn't appear to be a dupe of any of the stuck lock issues -- I've only been using the lock for 3 days and the key turns fine. It's an Abus Ultra 410 which locks at both ends and only one end ...
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Fluid combination lock resetting, forgot to turn the resetting knob back
Out of the box, tried to reset the combination, forgot the step after setting the new number, where we turn the knob back, I forgot to turn the knob back, locked it. now it wont open with neither the ...
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Warranty on lock damaged during attempted theft
Someone attempted to steal my girlfriend's bike tonight and they damaged the lock.
Do you guys know if we can use the warranty to get it exchanged? The lock has a 2 year warranty and I'm planning to ...
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Abus Folding Lock: Adding Damping to Joints
I want to add damping to the joints on an Abus Folding Lock, such that it maintains its shape if I stick it through a hole or something.
I received some brief feedback that I could use rubber bands ...
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Does Abus print blind bitting codes on their D-Lock bikes (or do thieves go through the trouble to
I've got several YourPlus Abus locks (all keyed the same) so that I can have one key for basically all the family bikes. The other day I noticed that one of my D-Locks had a plastic part missing, ...
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Heavy bike lock mount on a carbon frame
I have a foldable Abus Bordo 6500 which weights around 1.7kg. It came with a sturdy, rubber based case that can be mounted using bottle cage mounts.
Is this OK to do so on a carbon frame, or does it ...
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How can I keep my bike safe in my garage?
I just got a brand new bike. I keep it in the garage, but my wife has a habit of leaving the garage door up. Right now, there's nothing in my garage that I can really lock the bike to.
How can I ...
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Onguard U-lock jammed
I'm currently trying to unlock my bike that has been sitting on my porch for a while, the key works and turns, and I can hear the lock engaging/disengaging, however I cannot get the shackle to come ...
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Are U-lock "wheel extenders" sold separately?
I quite like the Kryptonite U-lock "wheel extender" idea - but I'm less attached to Kryptonite as a company - and even less so to the Messenger series of their locks, which is the only one that has ...
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How do you lock up your bike trailer?
Many of us pull bike trailers - whether one-wheeled or two-wheeled -- cargo or kids.
What is the best way to lock up trailers - especially when you're commuting? Most trailers come with a quick-...
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Jammed Giant brand U-Lock. Unable to insert key [duplicate]
The other day I locked my bike to a fence and upon my return about an hour later, I found the lock jammed. I am unable to insert my key fully into the keyhole. My friend suspects that while locking ...
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Is it normal that the Abus Bordo folding lock rattles?
I have the latest Abus Bordo Granite X-Plus 6500 folding lock:
It is cased inside a rubberized pouch that attaches to one of the bottle-cage locations:
Very convenient, but sadly, it rattles while ...
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Force open a U-lock
I have a kryptonite key opening u-lock, opening the lock had recently bocome stiff. But now the bike is locked outside and I can't turn the key the whole 180 degrees, only 90 degrees. It won't open. I'...
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Stiff, hard to use poplock, rockshox recon silver
My bike is equipped with front suspension Rockshox Recon Silver with PopLock remote lock. The use of that control is VERY stiff and HARD to lock (very easy to unlock though). Every time I need to ...
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Are modern frame locks "safe"?
In the older days I remember that frame locks were soldered onto the frame, but today they seem to be just screwed onto it (example film of installation can be found here).
Doesn't this open for the ...