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3
votes
1answer
99 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 ...
0
votes
5answers
148 views

Good locks seem awfully heavy [closed]

I am looking at buying an electric bike (possible the smart ebike) -- these are not cheap. So I began to look at locks and stuff and -- these are ridiculous! 3.5-4kg even 6kg for a chain?? How do ...
4
votes
4answers
170 views

Are there electronic/active theft deterrents for bicycles?

In addition to mechanical/passive deterrents (locks, chains, etc.), what electronic/active bicycle theft deterrents exist? * My dear bicycle was stolen two weeks ago and I then vowed to dedicate my ...
-2
votes
2answers
142 views

keyed (locking) skewers and seat bolts: recommendations? [duplicate]

I know nothing is thief proof, but some systems are more of a deterrent than others. Looking for recommendations for good systems. Perhaps more importantly I'd like to hear about systems found to be ...
6
votes
2answers
100 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
283 views

My bike key is broken off inside the lock

My bike key is broken off inside the lock, I already remove the key from the lock but I have no backup key to unlock it. It is a very ordinary key, just like this: Is there any way to unlock my ...
17
votes
6answers
819 views

Lock my bicycle on busy or quiet places?

When I lock my bicycle I try to lock it on quiet spots, usually on street racks situated on secondary streets. I think it will be less visible so it will attract less looks. On the other hand, if a ...
7
votes
2answers
793 views

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 ...
1
vote
3answers
1k views

Jammed Giant brand U-Lock. Unable to insert key

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 ...
11
votes
4answers
737 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 ...
4
votes
1answer
860 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 ...
1
vote
5answers
496 views

What's a good second lock option for around the frame and wheel?

I've seen a few people, specially bike messengers that use a main lock to secure their bike to a post/fence/etc. but also have a second smaller one to lock the other wheel around the frame. Which is ...
3
votes
4answers
2k views

what is the most secure bicycle combination lock?

Which bicycle lock that is a combination lock (with a code instead of keys) is the most secure device available on the market? Of course everything can be broken, and its only a matter of time, but ...
4
votes
3answers
923 views

Bike lock for a Mountain bike with easily removable wheels

I have a Trek 3500 that I need to lock up when I ride city trails, but I have been nervous as both of the wheels are incredibly easy to remove (flip a switch, rotate a lever a few times and they ...
7
votes
8answers
3k views

How to deal with lock that keeps jamming?

I have a kryptonite U lock and lately it's been sticking a lot while trying to turn the key. Usually I can eventually get the key turned. It was getting worse though and a few days ago I (unable to ...
2
votes
3answers
1k views

Alternate mount for Kryptonite U-Lock?

My wife's bike doesn't have room on the upright to mount the Krytonite U-Lock she was given as a gift. The plastic mounting bracket sticks out way too far. She has a small framed Specialized Vita. ...
5
votes
5answers
1k views

U-lock stuck on a bike

Some time ago, I stuck a U-lock on my bicycle for safe keeping, on the top tube below the seat. It's annoying when riding, and I'd like a way to remove it. I've lost the key some time ago, or I would ...
8
votes
3answers
618 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 ...
3
votes
2answers
160 views

Is there a lock rating system in the US?

There are several questions already about what's the best bike lock. I'm just looking for information on lock rating systems. I've found a couple rating systems in countries like UK (Sold Secure) and ...
10
votes
7answers
4k views

What is the best bicycle lock on the market?

What is the best bicycle lock on the market, defined by: Best security Easiest usability when securing your bike Easiest method of transport Lightest without other compromises Edit: In addition, ...
9
votes
8answers
5k 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 ...
1
vote
4answers
356 views

Non U-Lock that can be mounted for carrying?

I recently moved away from NYC to the suburbs. In NYC, I always locked up my bike with the New York Lock, which is a super heavy duty U-Lock. With a plethora of signs and parking meters, NYC works ...
2
votes
2answers
3k views

When registering keys, which number is the Kryptonite key#?

I've just bought a new Kryptonite lock and am about to register the keys at www.kryptonitelock.com, but which number do I enter in the Key# box? Both? The keys each have two numbers, one LXXXX and one ...
5
votes
5answers
2k views

What's a good bike lock that costs less than $30?

I already have the cable cable kind with the combination lock. It just seems cheap and easy to break into. Is that sufficient or are the U shaped ones better?
5
votes
5answers
3k views

Kick-stand on a commuter bike?

If I get this commuter bike, should it have a kick-stand? One LBS said "no": they explained that stands are difficult to attach, weigh a bit, don't stay on well, and/or scratch the frame. I've never ...
8
votes
2answers
828 views

Installing a lock mount on a carbon fiber frame

Let's ignore the question, for a moment, of should I install a lock mount on my new TCR Advanced. But assume that I want to. Given that the frame is carbon fiber, should I be worried about the ...
6
votes
6answers
2k 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 ...
23
votes
15answers
2k 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. ...
6
votes
4answers
9k 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 ...
10
votes
5answers
385 views

Lock for extremely frequent use

Are there lock products out there specifically designed for easy handling when locked unlocked dozens of times a day? I'm using a normal, chain-based lock at the moment and I'm annoyed because I'm ...
22
votes
8answers
1k views

Best bike lock

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 ...