Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [lock]

Locks are used to secure bikes. Common varieties are cable/chain locks and U-locks (D-locks).

-1
votes
0answers
40 views

Onguard bulldog lock jammed. Unable to fully insert key (99% times it won't work) [duplicate]

I cannot get my key fully into my Onguard lock. It happens that sometimes after hundreds of times it will work. Then I can even take key a little bit out of the mechanism, put it back inside. But if I'...
1
vote
0answers
36 views

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 ...
4
votes
1answer
849 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?
4
votes
4answers
176 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 ...
10
votes
3answers
2k 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 ...
3
votes
3answers
962 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 ...
1
vote
4answers
167 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 ...
3
votes
2answers
2k 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 ...
5
votes
1answer
620 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 ...
4
votes
2answers
249 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 ...
4
votes
7answers
283 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 ...
-1
votes
4answers
178 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 ...
4
votes
1answer
714 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 ...
0
votes
2answers
185 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 ...
3
votes
3answers
4k views

lock jammed on bike

My cable lock is jammed. The key fits in but wont turn. What can I do? My bike is locked up outside on the streat so I guess the first thing would be to put a second lock on it encase the first ...
4
votes
3answers
1k 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 ...
3
votes
2answers
823 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 ...
2
votes
1answer
90 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 ...
1
vote
3answers
556 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 ...
4
votes
1answer
570 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 ...
4
votes
2answers
95 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 ...
4
votes
3answers
1k 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 ...
16
votes
6answers
6k views

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-...
7
votes
3answers
1k views

Commuting daily with an Expensive Bike, tips?

I have been commuting to work daily for years now. Sadly I just switched jobs and there is no bike parking, so I have to leave it in the street. My main problem is that I'm riding a Colnago Single ...
3
votes
5answers
599 views

Parking a bike with wide tyres in a narrow bike rack

I park my bike at work in a rack like this: At the moment I have 26 x 1.9" knobbly tyres and the wheel just squeaks into the rack. However I'd like to replace these with 26 x 2" Schwalbe Marathons ...
4
votes
2answers
523 views

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 ...
3
votes
1answer
71 views

Abus Folding Lock: Adding Dampening to Joints

I want to add dampening 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 ...
5
votes
2answers
4k views

Is frame number the same thing as serial number?

I'm registering my bike with Kryptonite anti-theft scheme and it asks for the serial number. My local dealer wrote down the frame number for me, saying I might need this for insurance purposes. Are ...
1
vote
2answers
653 views

How to keep bikes safe while camping with a car

I'm planning to make a trip through Europe this year with my girlfriend. Bikes are going to travel on a roof rack. We are going to sleep on campgrounds in tents most of the time. So my biggest concern ...
7
votes
3answers
364 views

Lighter bicycle locks not made of steel

Nowadays there are so many different high-tech materials, so I wonder if there is a suitable material for bicycle locks that would be much less heavy than hardened steel. If there isn't one, can ...
42
votes
5answers
9k views

Leaving lock on the parking rack - is this rude?

We have a bicycle parking rack near the office building. It's rather large: for about 30-35 bikes. Someone has left their lock (chain or whatever) locked around one part of the rack. So, I've got ...
4
votes
2answers
120 views

Lock to fit around Big Apple tyres (28x2.35)

I have a new bike on the way which has Big Apple tyres (28x2.35), which will be my first experience with tyres this big. I'll also be installing fenders. I'm wondering if my Kryptonite Evo Mini-5 is ...
6
votes
1answer
2k views

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 ...
4
votes
1answer
361 views

Trouble with spiral folding bike lock - jammed

I use a spiral folding bike lock similiar to the one here: http://www.amazon.co.uk/RockBros-Theft-Folding-Hamburg-Colors/dp/B00MB7NUB6 It was a fairly decent lock, but now it's jammed; I've tried all ...
0
votes
3answers
2k views

key broke and stuck in U-lock with bike locked [duplicate]

Luck would have it my key broke off when I was trying to unlock my bike. The lock is U shaped ABUS. I've read people had this before, however biggest problem is that bike is now stuck at the school, ...
4
votes
4answers
391 views

How to fix folding lock holder

I've got an ABUS Bordo Lite folding lock and the holder it came with which attaches to the bicycle's frame using two thin metal strips and/or two Velcro straps is now broken: As you can see, the soft ...
5
votes
1answer
224 views

How popular is the “Sold Secure” certification among reasonable-quality lock makers?

I'm a recent convert to cycling, having moved to Amsterdam, and I intend to buy a U-lock for a bike I'm getting. Now, people have recommended that I buy U-locks with a "sold secure" label - but in a ...
2
votes
2answers
1k views

What is the best way to secure a bike on a bus bike rack?

This question involved a bicycle stolen off the front of a San Francisco muni bus. Up to now, I never thought much about how vulnerable my steed is on a bus. What is the best way to secure a bicycle ...
6
votes
2answers
3k views

U-lock mount bracket on carbon frame?

I took my bike to the bike shop to get remove the quick release wheel things, so that I can use only one U-lock, anyways they changed it for me but the bike mechanic really got mad at me and said 'you ...
13
votes
3answers
2k views

How can I paint a kryptonite key?

I now have 4 kryptonite keys on my key ring that I carry around for my family. These are the ones with a black plastic bulb on the key's bow. In order to make my life easier, I would like to paint ...
4
votes
2answers
620 views

How do I remove this back wheel axle nut? 90s Peugeot mountain bike

It's a 16mm nut that won't turn, and I don't want to bend my cone wrench. The other side came off easily but was a normal nut. This side seems to have some sort of lock/ hole for a pin but I'm not ...
2
votes
2answers
4k views

Folding ABUS Lock will not UNLOCK [duplicate]

My bike is locked to an indoor bike rack with a folding ABUS keyed bike lock. Today I couldn't turn the key to release the lock after work. No problem locking it in the morning. Tried wiggling, ...
11
votes
3answers
2k views

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 ...
2
votes
2answers
151 views

OnGuard U-Lock key mechanism partially activated

I have a mini U-lock from OnGuard. The lock is not attached to the bike, so that's not a factor is this question. I can see the locking mechanism jutting out partially into the key hole, which is ...
0
votes
2answers
859 views

Where do you leave your bike on cafe stops and water breaks?

Where should I leave my bike on longer rides when stopping at a cafe or going into a store to get water? Do you carry a lock in your jersey? Leave it outside? What is a good lock? What should I do ...
3
votes
2answers
328 views

Rekey a Kryptonite lock outside North America

Kryptonite offer a re-keying service in North America for those who failed to register their keys and have since lost all of them. I'm in Europe, and such a service is not offered here, I'm wondering ...
0
votes
1answer
540 views

bike keyhole broken

I had parked my bike outside my local grocery store and when I came out I saw that my lock had been tampered with. The keyhole where I insert my key was broken in half and the rubber coating was also ...
2
votes
5answers
3k views

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'...
-6
votes
3answers
585 views

Convenient bike-security measures for rural, small-town, and remote-touring environments [closed]

I originally titled this question as "I'm looking for a convenient absolutely fail-safe automatic lock that works all the time". But, judging by some rather cold responses, that title seems to be ...
1
vote
3answers
140 views

Broken Key/Lock

I have a Kryptonite U-lock and my key doesn't seem to be working, I'm not sure if the key is broken or the U-lock. How do I unlock my bike? Kryptonite isn't open and both the key and lock worked an ...