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

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What's the most secure type of 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?
3
votes
1answer
155 views

How to clean a combination bike lock?

So a bit of chai latte (yes, it was mine; I don't like coffee) got spilled over the front of my bike yesterday (NOT MY FAULT, I swear). My bike didn't care... but my combination lock did. The numbers ...
3
votes
1answer
130 views

How to find a durable lock mount?

I've had one Kryptonite D-lock for the last two years, and it's worked great. I typically don't ride with a pack, so I've used lock mounts (this kind) to keep it secured to the upright on my bike. ...
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votes
5answers
368 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 ...
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votes
2answers
902 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 ...
4
votes
3answers
3k 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 ...
35
votes
15answers
5k 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 ...
6
votes
5answers
5k 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 ...
12
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7answers
5k 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, ...
7
votes
2answers
7k 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 ...
4
votes
2answers
3k 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 ...
12
votes
8answers
20k 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 ...
6
votes
1answer
3k 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 ...
6
votes
4answers
11k 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 ...
2
votes
5answers
1k 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 ...
4
votes
3answers
2k 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. ...
12
votes
5answers
517 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 ...
4
votes
2answers
357 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 ...
2
votes
4answers
1k 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 ...