Bike Lock Chain: Choosing the Best Security for Your Bicycle

Bike locks are a crucial tool for any cyclist who wants to protect their bike from theft. They come in various forms, including U-locks, cable locks, and chain locks. A bike chain lock usually consists of a metal chain paired with a padlock or integrated locking system. These locks are known for their durability and flexibility, which makes them useful for securing bikes to a variety of structures.

When choosing a bike lock chain, there are several key factors to consider. Material is crucial; hardened steel chains offer the best resistance against cutting tools. The length of the chain should be long enough to secure both the frame and a wheel to a fixed object. It’s also important to think about the weight of the chain; heavier chains are usually more secure, but they can be cumbersome to carry.

Having the right bike lock chain can make a big difference in preventing bike theft. I tested various chain locks to identify those that offer the best security and ease of use.

Best Bike Lock Chains

I’ve researched and tested the best bike lock chains. Below, you’ll find my top picks that offer both security and durability.

Kryptonite Keeper 785 Bike Chain Lock

This bike lock offers solid security and is a dependable choice for anyone looking to keep their bicycle safe.

Pros

• Tough and durable construction
• Weather-resistant design
• Innovative lock mechanism

Cons

• Somewhat heavy to carry
• Keys can be tricky to use
• May not deter highly determined thieves

The Kryptonite Keeper 785 Bike Chain Lock feels robust in my hands, giving me confidence in its ability to secure my bike. The 7mm chain links are made from high-quality manganese steel, which is incredibly strong. When riding through different weather conditions, I noticed the nylon sleeve effectively prevented any scratches on my bike.

Carrying the lock around can be a bit of a hassle due to its weight. I either wrap it around my seatpost or carry it in my backpack. The ergonomic keys are a nice touch, though they sometimes require extra jiggling to unlock.

In real-world use, I feel secure leaving my bike chained up with this lock. The disc-style cylinder and deadbolt design suggest it would be very hard for someone to pick or drill through it. While no lock can offer 100% protection, this one comes pretty close for everyday use.

Kryptonite Keeper 712 Bike Chain Lock

The Kryptonite Keeper 712 is a solid choice for anyone looking to keep their bike secure with confidence.

Pros

• Strong and durable chain
• Resistant to picking and drilling
• Weather-resistant sleeve protects your bike

Cons

• Quite heavy to carry
• Key turns too easily sometimes
• Can be cumbersome for small bikes

The Kryptonite Keeper 712 Bike Chain Lock really impressed me with its sheer durability. The 7mm four-sided chain links made from 3t manganese steel are incredibly solid and offer great protection. I felt pretty secure locking my bike up with this chain. It feels like it can withstand almost anything.

On the other hand, this thing is heavy. At about 4 pounds, it’s not exactly something you want to toss in your bag lightly. I noticed the weight immediately, and if you’re someone who needs to carry their lock around a lot, you may find this a bit burdensome.

Another point worth mentioning is the key turning mechanism. I found the key tends to turn fairly easily while you’re trying to lock up, which can be a bit annoying. Despite this minor hassle, the lock and the chain’s overall performance and protection outweigh this small inconvenience. The weather-resistant nylon sleeve is a nice touch too, keeping the chain from scratching up my bike’s paint.

Master Lock Bike Lock Cable

If you need a strong and flexible bike lock, this one is a reliable choice.

Pros

• Strong braided steel
• Keyless convenience
• Protective vinyl coating

Cons

• Plastic code structure
• Not for long-term security
• Requires correct code positioning

I used the Master Lock Bike Lock Cable for a few months, and it worked well to secure my bike. The steel cable feels strong and flexible, which made it easy to lock up my bike in different spots. The vinyl coating is great, as it protects the bike from scratches.

Setting the combination was straightforward and easy. The keyless feature is handy; I didn’t have to worry about losing a key. It’s lightweight, so carrying it around wasn’t a problem. The length of the cable allowed me to secure both the frame and the wheel.

One downside is the code mechanism, which is made of plastic. It feels like it could break if handled roughly. Also, it’s best for short-term use. I wouldn’t trust it for leaving my bike in a high-theft area for a long time. You have to make sure the code is positioned correctly to lock and unlock it, which can be a bit annoying.

Overall, the Master Lock Bike Lock Cable is a solid option for everyday use.

KOHLBURG Security Chain Lock

A solid choice for bike owners who prioritize security over weight.

Pros

• Strong, hardened Titanium steel
• Extra-long for versatile locking
• Comes with 4 keys

Cons

• Heavy at 5.5 lbs
• Lock mechanism can be tricky
• High price point

I just had the chance to use the KOHLBURG Security Chain Lock and it lived up to its reputation. The first thing I noticed was its heft—it’s definitely not a lightweight lock. The solid steel build makes it feel almost indestructible, which is reassuring when you’re securing an expensive bike or e-bike.

One feature that stands out is its length. With 4 feet to work with, it’s really convenient for locking both the frame and the front wheel. I found it easy to secure my bike to different types of fixed objects without too much hassle.

On the downside, the lock’s weight is something to consider. At 5.5 lbs, it’s quite heavy to carry around. The lock mechanism also required some finesse to operate smoothly. Despite these minor issues, I think the added security is worth it. For anyone looking for a robust and reliable bike lock, this one is a strong contender.

Buying Guide

When choosing a bike lock chain, it’s important to consider several factors. Below are the key features to look for.

Chain Material

Chains come in different materials. I suggest looking for hardened steel. It’s more durable and resistant to cutting or sawing.

Chain Length and Thickness

Longer chains can secure multiple parts of your bike. Thickness adds more security; aim for chains that are at least 8mm thick.

Lock Type

Some chain locks come with built-in locks, while others require a separate padlock. Built-in locks are convenient, but separate padlocks can offer extra security options.

Weight

A heavier lock usually means more security. But it can be a hassle to carry. I try to find a balance between security and portability.

Coating

Look for a chain with a protective coating. This helps prevent scratches on your bike’s frame.

Price

Higher-priced locks often offer better security features. But I have found that there are good options at all price ranges. Decide how much you’re willing to spend based on your needs.

Make sure to keep these points in mind while shopping for a bike lock chain. This ensures you get the best protection for your bike.

Frequently Asked Questions

I often get questions about choosing the right bike lock chain and what materials or brands offer the best security. One of the key points is to understand the differences between combination and key locks.

1. How can I choose the best chain lock for my bike?

The best chain lock for your bike depends on where you park it, how long you leave it, and your budget. Look for locks with hardened steel links and a locking mechanism that resists picking.

2. What are the advantages of using a combination chain lock over a key chain lock?

A combination chain lock means you don’t need to carry a key. This reduces the risk of losing a key and makes it easier to share the lock with others who know the code.

3. Can a Kryptonite bike lock provide high-level security for urban areas?

Yes, Kryptonite bike locks are known for their high security. Their locks often have reinforced steel and advanced locking mechanisms that make them very tough against theft.

4. What materials are considered uncuttable for bike chain locks?

Materials like hardened manganese steel and boron steel are considered very resistant to cutting. These materials are often used in high-security bike locks.

5. What should be considered when looking for the most secure bike lock?

When searching for the most secure bike lock, consider the materials, the thickness of the chain, the lock’s resistance to different attacks, and the reputation of the brand.