Questions tagged [lock]

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

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3
votes
1answer
143 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?
1
vote
0answers
47 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 ...
11
votes
6answers
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 ...
3
votes
1answer
165 views

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 ...
7
votes
1answer
192 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, ...
2
votes
1answer
96 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 ...
20
votes
10answers
33k views

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 ...
8
votes
2answers
6k views

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 ...
0
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0answers
40 views

Lock advice, kryptonite vs Abus [duplicate]

Iam getting an expensive bike with thru axles in front and back I wanted to know what kinds of locks would be good for overnight in a suburb area and I have to lock the bike outside of my apartment ...
3
votes
1answer
802 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 ...
18
votes
7answers
8k 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-...
3
votes
4answers
12k views

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 ...
5
votes
6answers
3k views

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 ...
2
votes
5answers
4k 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'...
1
vote
0answers
90 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
3answers
2k 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 ...
4
votes
7answers
336 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 ...
2
votes
2answers
1k 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 ...
4
votes
4answers
238 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 ...
44
votes
9answers
6k views

Best type of bike lock (materials, style, etc.)

I recently lost the keys to my lock and had to borrow a bolt cutter to free my bike. It was a bit of an eye opener to realise a) just how easy it was for the bolt cutters to cut through my D Lock (<...
4
votes
1answer
925 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?
14
votes
6answers
3k views

How do you lock your recumbent?

I have a pair of recumbents and I have difficulties locking them safely when I have to park them in the street for long period of time. The conventional wisdom is to use a U-lock to attach the frame ...
4
votes
2answers
359 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 ...
10
votes
3answers
5k 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 ...
14
votes
2answers
9k views

Can a chain-lock be better against cutting than a U-lock?

I'm looking for a bike lock and, in 2013, Kryptonite have a new lock, the Evolution Series 4 Mini Chain: The chain is quoted as being only 55 cm long, and 10 mm thick. Is the blue mark below a ...
3
votes
3answers
2k 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
484 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 ...
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 ...
4
votes
2answers
7k 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 ...
13
votes
10answers
15k views

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 ...
12
votes
7answers
81k views

My key jammed in my U-lock. How can I unlock/break it?

I've been biking for 2 months now with my U-lock still on my bike, it sort of gets in the way of pedaling sometimes and I'm kinda tired of it. Does anyone know of any ways to get the remnants of the ...
3
votes
5answers
740 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 ...
5
votes
1answer
706 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 ...
5
votes
3answers
917 views

Removing key from kryptonite lock

I can't remove the key, or open, my brand new Kryptonite lock. I can twiddle the key with about 60 degrees of movement from current position; and have attempted every movement I can think of. Have ...
4
votes
3answers
8k views

How hard is it to remove a European-style rear-wheel ring lock?

I have an old Breezer Uptown 8 with a European-style ring lock on the rear wheel. I am thinking of removing it. Does anyone have experience doing this? Is it as easy as unscrewing a bolt? It looks ...
1
vote
3answers
790 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 ...
-1
votes
4answers
197 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 ...
3
votes
1answer
885 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
202 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 ...
2
votes
1answer
100 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 ...
14
votes
10answers
7k views

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,...
3
votes
3answers
8k 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 ...
5
votes
2answers
8k 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 ...
19
votes
6answers
5k views

Deterrents against partial (component) theft

Big question: Is there any way to increase the security of bolted on portions of a bicycle? Specifics: I cycle as my primary mode of transport (in East London) on a early 90s steel road bike with ...
3
votes
2answers
2k views

Would an original Abloy padlock and [toughened] chain make a good bike lock?

Why are bike locks so fancy, so specialised? Would a small padlock, e.g. original Abloy make a good bike lock when connected to a chain? http://simple.wikipedia.org/wiki/Abloy (first image) Are ...
4
votes
2answers
128 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 ...
6
votes
3answers
442 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 ...
4
votes
3answers
2k 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 ...
7
votes
3answers
2k 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 ...
48
votes
17answers
9k views

Locking your bike in public areas

I recently saw a small clip about how to securely lock your bike. I was wondering what are your tips for minimizing the chances of getting your bike stolen. Here ...