Questions tagged [lock]

Locks are used to secure bikes. Common varieties are cable/chain locks and U-locks (D-locks). If you're asking about suspension systems then use [tag:lockout] instead.

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Find replacement Electric bicycle battery lock / cylinder

I have a XEED E CITY electric bicycle and the company utilizes a simple wafer battery lock The lock itself comes from a company called TKM. I have lost my key and I would like to replace the whole ...
Genesis_GDK's user avatar
1 vote
1 answer
75 views

How to adapt a tube-mounted clamped accessory for a larger diameter tube?

I bought an Abus bike lock which came with a tube mount called the Abus EaZy KF. The issue is that this mount only supports up to 36 mm diameter tube but the smallest tube on my bicycle is 38 mm. I ...
Daniel's user avatar
  • 153
3 votes
1 answer
82 views

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 ...
philipnye's user avatar
  • 193
6 votes
4 answers
4k views

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 ...
Lightsout's user avatar
  • 1,639
0 votes
2 answers
118 views

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 ...
Lightsout's user avatar
  • 1,639
3 votes
2 answers
629 views

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 ...
juhist's user avatar
  • 18k
0 votes
4 answers
480 views

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?
Fahrrad123's user avatar
28 votes
4 answers
12k views

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 ...
Dorian's user avatar
  • 383
3 votes
7 answers
965 views

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: ...
zoonman's user avatar
  • 206
1 vote
3 answers
352 views

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 ...
MashmanBM12's user avatar
5 votes
2 answers
2k views

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?
Chris Cooke's user avatar
0 votes
1 answer
212 views

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 ...
EdL's user avatar
  • 103
8 votes
6 answers
3k views

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 ...
Lightsout's user avatar
  • 1,639
11 votes
10 answers
10k views

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 ...
Lightsout's user avatar
  • 1,639
1 vote
1 answer
251 views

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 ...
Mark's user avatar
  • 113
3 votes
2 answers
368 views

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 ...
F1Linux's user avatar
  • 2,203
2 votes
1 answer
282 views

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 ...
KcFnMi's user avatar
  • 139
5 votes
3 answers
489 views

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 ...
Luca Matteis's user avatar
  • 1,025
28 votes
20 answers
12k views

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 ...
MaplePanda's user avatar
  • 15.5k
0 votes
2 answers
938 views

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 ...
user51016's user avatar
12 votes
7 answers
4k views

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 ...
vaughan's user avatar
  • 229
2 votes
1 answer
483 views

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: ...
biketoeverything.com's user avatar
3 votes
1 answer
561 views

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 ...
Lucas Wiman's user avatar
2 votes
1 answer
142 views

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 ...
StefG's user avatar
  • 676
4 votes
2 answers
234 views

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 ...
StefG's user avatar
  • 676
1 vote
0 answers
201 views

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 ...
jimjim's user avatar
  • 111
7 votes
1 answer
3k views

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?
Robert Tellander's user avatar
11 votes
6 answers
4k views

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 ...
Yujin Kim's user avatar
  • 129
7 votes
1 answer
428 views

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, ...
begs-the-hessian's user avatar
2 votes
1 answer
672 views

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 ...
Wayne's user avatar
  • 21
5 votes
1 answer
1k views

Kryptonite lock falling apart?

Just a quick question but should the Kryptonite lock fall apart like this when it's open without they key in? To me it feels too loose but I'm not sure. Guess it locks anyways?
Ola's user avatar
  • 1,037
4 votes
4 answers
537 views

Why am I breaking Pitlock spring washers so frequently?

I'm hoping some pitlock users out there can help me out. I've installed these on a pair of new bikes to add some protection for some expensive wheels. They seem to be a decent deterrent. My problem is ...
WPNoviceCoder's user avatar
10 votes
3 answers
10k views

Where are stolen bikes sold?

I live in a city on the east coast. I recently had my bike stolen. The frame was locked to a bike rack using a u-lock. They either picked or cut the u-lock. My simple question is: where do thieves ...
sam's user avatar
  • 759
3 votes
3 answers
7k views

How to lock up a bike with a rear wheel lock?

Really did try searching for this but couldn't find an answer. I'm getting a bike with a rear wheel lock like this: Since the rear wheel is locked to the frame then would securing the front wheel and ...
Marco's user avatar
  • 31
1 vote
4 answers
2k views

Protect chipping frame from metal bike lock with Sugru

What's the best method to stop a Kryptonite Mini d-lock scratching/chipping an aluminium frame? Stickers have already been applied as a first layer of protection. Is there something similar to the ...
Turkeyphant's user avatar
4 votes
2 answers
18k views

Lock jammed - key will go in and out but cannot turn

I know that similar questions have been asked here, but I can't find a question with the exact same problem encountered here. My bike was left locked during a week or two of sub-zero temperature, and ...
Hakim's user avatar
  • 479
5 votes
1 answer
878 views

Jammed lock (shackle stuck in crossbar)

Yesterday evening, my Kryptonite U-Lock was pretty stiff when I unlocked it after work. The key turned fine, but removing the shackle from the crossbar took a few minutes of pulling and jiggling. I ...
Mr Bobinski's user avatar
4 votes
2 answers
510 views

Does carrying a chain lock around on the frame reduce a bicycle's performance?

I have a Montra rock 650B MTB. I use 2 lock systems - 1 cable and 1 chain lock for added security. Both are attached to the frame while I cycle. The chain-lock is pretty heavy (around 700 grams). I ...
VMG's user avatar
  • 41
4 votes
7 answers
663 views

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 ...
PJTraill's user avatar
  • 221
-1 votes
4 answers
289 views

Securing belongings when entering a store that forbids outside bags

Where should a cyclist secure his valuables before entering a store that forbids carrying bags into the building? Normally, when cycling, I carry my wallet and phone in the small compartment of a ...
Damian Yerrick's user avatar
3 votes
1 answer
1k views

Can I buy a Locking Thru Axle for extra security?

I've seen security skewers for quick release wheels such as pitlock or pinhead which provide some level of additional security for wheels without carrying bulky locks for wheels (Still wise to use a ...
Benzo's user avatar
  • 18.1k
0 votes
2 answers
238 views

Which bike lock should I choose? [closed]

For a long time I was a happy owner of an Abus Catena chain lock. However, last night someone tried to steal my bike. Luckily, they either didn't have enough time, or the lock was too tough for them ...
Leta's user avatar
  • 117
3 votes
3 answers
18k views

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 ...
northerner's user avatar
4 votes
3 answers
4k views

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 ...
skyking's user avatar
  • 141
3 votes
3 answers
2k views

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 ...
Gerard Bosch's user avatar
2 votes
1 answer
215 views

Fox Talas FIT RLC 32 - broken lock and problem with the right leg

I just finished my first Marathon race today, it was super cool, the best MTB experience in my life -- but there was a super frustrating part. Something broke in my fork right leg, and now that one ...
trialboj's user avatar
  • 141
2 votes
3 answers
2k views

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 ...
newenglander's user avatar
3 votes
1 answer
1k views

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 ...
RoboKaren's user avatar
  • 29.1k
4 votes
2 answers
379 views

Non-rusting D-Locks

I use a D-Lock to secure my bike (along with other locks.) But every lock I've had has developed rust in the prongs and lock mechanism, that is messy and eventually seizes up. The problem can be ...
Brondahl's user avatar
  • 333
4 votes
3 answers
4k views

How comfortable is it to wear a u-lock holder this way? [closed]

I have never used a bike lock holder or holster but this handmade one looks practical and cool: https://www.vespoe.com/contourandco/shop/u-lock-holder. I would like to know if it's practical to use on ...
john's user avatar
  • 41