Best Bike Chain Locks for 2021: Our Best Picks

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When it comes to chain locks to help secure your bike, you need something that will really deter those bike thieves.

Unfortunately, it is not always easy to find the right one for your specific needs, and it might take time.

In this review, we will take a look at some of the most affordable and durable chain locks out there to save you the time.

Keep on reading if you want to know more about these chain locks for your bike.

Comparison Chart

Kryptonite Keeper 785 Bike Chain Lock

UBULLOX Bike Chain Lock

Etronic Bike Lock M10

Best Bike Chain Locks Reviews

Kryptonite Keeper 785 Bike Chain Lock

This is a very reliable brand in the security circles, so this lock instills peace of mind with the chain lock's reliability.

You can easily carry the chain lock around your waist or roll it around the frame when not in use.

Review

The chain lock from Kryptonite is made from high-quality manganese steel to make it strong and durable to last longer.

It is also equipped with a hardened steel deadbolt to further improve the durability of the chain lock to provide you with peace of mind.

With the pick resistant lock, you can be sure your bike will still be there when you return to where you locked it.

It will also be able to withstand drilling to make it a very secure lock for your bike.

With a weather-resistant nylon sleeve that completely covers the chain, it will not easily rust or scratch in the outdoors.

With the deadbolt that is directly linked to the chain, it makes sure there are no weak links with this chain lock.

The nylon cover will also prevent the chain of the lock from scratching the paint off from your bike, providing extra protection.

You have two very easy to use keys included with your chain lock from Kryptonite in case one gets lost.

Unfortunately, you might experience some difficulty with the lock after some time of use, and that will render the lock useless.

It is also not rated very high on Kryptonite's security scale, coming in at a moderate rate.

PROS

  • Made from strong, durable material
  • It is very easy to use this chain lock
  • Two keys are included
  • Quick and easy to lock deadbolt

CONS

  • Might have quality issues with the lock
  • Only rated moderate on the security scale

UBULLOX Bike Chain Lock

This is a very well-designed chain lock with quite a long chain that needs no key to open it but a long digit combination.

This is great for those people who tend to lose everything, including keys for locks.

Review

The fact that you do not need a key to open this lock is a good thing for those prone to losing keys.

It also provides you with the peace of mind that you do not need to worry about a key that might get lost.

With quite a long chain attached to the lock, it can be used for a variety of other security applications.

This will increase the versatility and functionality of the chain lock even further to make it a great investment.

To make this chain lock even more secure, it is provided with a strong and durable lock cylinder to last longer.

The lock cylinder is made from a strong zinc alloy to make it very durable to resist wear and tear better than regular locks.

With a very smooth turning lock head, the lock will be much easier to handle when using the combination lock to secure your bike.

The chain is made from high-quality steel that is cut-resistant to increase this chain lock's security level further.

There is one problem with this lock, and that is the lock mechanism is not made to be waterproof, and that may cause future problems.

PROS

  • This lock is relatively easy to use
  • Comes with quite a decent chain length
  • There are no keys to lose
  • Made from quite durable materials

CONS

  • Lock head is made from plastic

Etronic Bike Lock M10

A very well-designed and sturdy looking chain lock that is made not just to look good but to be very secure as well.

With no keys to worry about, you can lock your bike with peace of mind that you will find it where you left it.

Review

With a 5-digit combination lock attached to the chain, it will help to deter most bike thieves out there.

This is great because it is far more difficult to figure out a 5-digit number than it is with a 4-digit number.

This lock's chain is covered with a nylon sleeve to help prevent it from scratching the paint off from your bike.

It is also made from hardened steel to make the chain last much longer and be very durable.

It comes with quite a long chain of about 4 feet, making it suitable for a variety of security applications.

The fact that you do not need to have a key to open it is great for those who tend to lose their keys. 

The chain is made from 6 millimeters of tough square links to make it a bit more difficult to cut through it.

One problem is that you will be stranded if you forget the combination because it can only be reset if the lock is open.

The locking mechanism is made from plastic, and it is also not UV resistant or waterproof, so it will not last long outdoors.

PROS

  • Covered to protect bike paint
  • Very easy to use for securing a bike
  • Made from high-quality materials
  • Quite a long chain attached to the lock

CONS

  • The combo mechanism is made from plastic

FINAL VERDICT

The winner in this lineup is the Kryptonite Keeper 785 that comes with great security features.

It is made to last and will help to keep your bike safe where you left it.

A runner up is the Ubullox 5-digit combination chain lock with many security features included but with a lower price point.

This is great for those people working with a tight budget who also need a good chain lock.

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