Best Bike U Lock Reviews with Buying Guide

The safety of your bike is crucial everywhere you go. Everyone wants the comfort of leaving your bike locked up somewhere and safely parked. This helps to make the fear of theft, or any bike movement vanishes and convenience comes in. Your bike is not safe enough until the day you lock it up with any of the best bike U-locks.

This is hence the sole reason behind coming up with a review of the top U-locks for mountain bikes, that are available in the entire market. This is for you to realize that all you need for your bike’s security is more than just available in the market.

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Quick Answer – Best Bike U-Lock

Top Five Bicycle U Lock Reviews in Detail

Walk with me down the article, and I am sure you will be able to identify the exact product you need for your bike. You can also catch up with the product reviews available online.

1. KRYPTONITE New York U-Lock

Kryptonite New York Standard Bicycle U-Lock with Transit FlexFrame Bracket is the best lock in the entire market when it comes to the security of your bike. This affordable and convenient lock will have you out of security issues whenever you take a long ride on your expensive bike. The mount is very strong. In fact, you will feel it right from just touching it. Let us face it here; thieves are definitely getting shaper when it comes to carrying away your bike.

This KRYPTONITE New York bike lock has great resistance when it comes to hammering. It has been tested by customers before and it is evident enough online in the reviews sector. In addition, this lock has a strap, which is weaved inside a strip made of rubber, preventing the entire lock from making any movements. This makes your bike even safer. The mount is actually adjustable. This is even better news, right? You can lock your bike from any direction.

There is a dust cover that prevents the lock from being destroyed by dust particles. For firmness and a boost of the holding power, the lock has the double deadbolt. Did I mention the presence of a high extensive bulb in one of the three keys that use replaceable batteries? Simply, with this KRYPTONITE New York U-Lock, you are home and dry!

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Features at a Glance

  • Steel shackle that is 16mm strong enough to resist the bolt cutters and any leverage attacks
  • The disc-style cylinder makes the perfect lock for the security of your bike
  • Three keys where one has a bulb to help you in late-night unlocks
  • A transit frame is invested in creation to boost the strength of the entire frame
  • The lock is adjustable and can rotate for better fitting while locking your mountain bike

Buy Kryptonite New York Standard Bicycle U-Lock from


2. Kryptonite New York Fahgettaboudit U-Lock

One unique thing about this Kryptonite brand is the fact that they are well known for their seriousness when it comes to the production of security products. They produce high-quality products and it is the reason I have a piece of their products in the first place; my love for quality. Their commitment towards innovation makes me say; you can never go wrong with Kryptonite. This is the major reason why the Kryptonite New York Fahgettaboudit Mini U-Lock is one of the best Mountain Bike Locks.

This Kryptonite New York Fahgettaboudit U-lock is solid strong and sturdy enough to overcome bike security by all means. Breaking it is not an option. With this one, the steel shackle is 18mm and is equipped with a double deadbolt with the same purpose; to disappoint every thief attempting against the bike. Its crossbar is oversized and has a steel sleeve for additional security support.

Yes, the lock may be quite more expensive than many others in the market, but who expects the best package at lower prices? Hence, right from the price tag, its convenience and effectiveness can be speculated. Again, with this Kryptonite New York Fahgettaboudit U-lock, there are three keys for enough spare and one has a bulb for lighting during the late-night unlocks.

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Features at a Glance

  • An overall lock design that is tough enough to disappoint bicycle thieves by all means
  • The hard steel sleeve is oversized to make it easy in locking your bike regardless of the location
  • 18mm steel shackle meant to resist all bolt cutters and leverage attacks
  • It is ranked at the 10th position of the security system analysis of Kryptonite done from 1 to 12
  • Comes along with three keys to ensuring you have more than enough spare replacements
  • One of the keys comes along with a bulb to help you in lighting during late-night operations

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3. KRYPTONITE KryptoLok Series 2 U-Lock

This is another lock that many customers in the market have tried to evaluate and they came up with statistics of how long it would take for a pro thief to break through and walk away with your bike. The statistics show that it will take one whole hour for the most experienced thief to make it in overcoming your lock.

However, let us face it, many bike carriers are only local crooks, who want an easy time in breaking the locks. They do not even have what it takes to break this KRYPTONITE KryptoLok Series 2 U-Lock. They are out of the needed tools and have no persistence. The reason being, a thief that takes more than 10 minutes on a mission, is failing and the chances are that you will catch up with them. Hence, the same statistics pronounced this lock as one of the safest locks you can purchase.

Kryptonite Kryptolok Series 2 Standard Bicycle U-Lock is all built up with its awesome features. It has a cylinder, which is the disc in style for high-security purposes. The center keyway incorporated is there to keep the lock against leverage attacks that are likely to occur. To cut the long story short, this lock has covered against the thieves by all means.

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Features at a Glance

  • 13mm steel shackle hardened enough to resist against acts of leverage
  • A double loop cable is included for the sake of the front wheel’s security and any other accessories
  • A crossbar that is reinforced and hardened enough for a boost in the protection of the system
  • The dust cover is meant to protect and prolong the life of the cylinder
  • A transit flex frame meant to boost the versatility of the lock and make transportation easy
  • Anti-rattle bumpers are meant to reduce the noise while transportation takes place
  • Two keys which are stainless and long-lasting

Buy Kryptonite Kryptolok Series 2 Standard Bicycle U-Lock from


4. Kryptonite Evolution Mini-5 Bicycle U-Lock

This is one of the top-rated locks that will never disappoint you when it comes to protecting your mountain bike. If you take a look at the KRYPTONITE Evolution Mini-5 U-Lock Reviews, you will read the same from customers who have experienced the usage of this piece. The lock is strong and heavy enough to offer you maximum bike protection.

The steel shackle is 13mm and performs greatly when it comes to offering resistance against bolt cutters and leverage attacks. The cylinder has a disc-style and shape, which allows the lock to offer a nice grip on your bike and protect it from being carried away. Working along with the disc-style is the bent foot design. It offers a boost of the higher-level security making the bike, even more, secure. This is the reason customers are loading endless reviews online that are candid regarding how effective this piece is.

You will not have bike security issues anymore right from the day you decide to embrace this classy lock. To anyone out there who values the security of their expensive bikes, between you and your bike’s presence is the Kryptonite Evolution Mini-5 Bicycle U-Lock with Transit FlexFrame Bracket (3.25-Inch x 5.5-Inch).

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Features at a Glance

  • A hardened 13mm steel shackle which is well-performing and resists bolt cutters and other leverage attacks
  • A disc-style cylinder meant to boost the security of the bike by fixing a position
  • Three keys to help you with finding enough spare in case you lose one or two
  • A bulb in one of the keys to allow you in lighting and replaceable batteries
  • 360 rotation feature helps to boost the security of the bike by covering it all round
  • Frame tubing serves to mount the frame of the bike to boost the lock’s strength

Buy Kryptonite Evolution Mini-5 Bicycle U-Lock from


5. The Club UTL810 Utility Lock

This special lock has greatly replaced the chains and other inconvenient bike locks in the market with its special package of features that allows you to enjoy the best level of bike security. With this lock, you no longer have to worry about the local thieves that have been stressing many mountain bike riders, as it subjects anyone that needs to walk away with the bike to unbearable struggle.

I guess you know the way it works with these locks by now, the heavier the lock, the more effective it proves to be in ultimately securing your expensive bike. Being one of the heavy locks, this is one of the most effective locks when it is about the safety of your bike. The Club UTL810 Utility Lock has a heavy construction that is capable of withstanding high pressure. This makes it, even more, convenient. Steel material has been invested in this lock to help in protection against scratches.

The entire Club UTL810 Utility Lock is weather-resistant, making its maintenance easy and affordable. With its prolonged life, you are guaranteed of using this lock over a long period. What more could anyone be looking for in the entire market? There is all you need in this package of features.

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Features at a Glance

  • Adjustable lengths from 8.5 inches up to 11.5 inches to make it easy in the positioning of your bike
  • Weather-resistant making it easy to use and maintain
  • Heavy-duty construction making it too strong to break or cut
  • Steel tempered coating that makes the external of the lock presentable and protected from rusting
  • Raised level of security makes it possible for this lock to replace chains and other locks for bicycle and motorbike security
  • Capable of withstanding over 1500 pounds of pressure

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Why You Need to Purchasing A Mountain Bike U-Locks?

i. Protection of Your Mountain Bike

It does not make sense to invest a lot of money in your mountain bike and then exposing it to theft. With one of these locks, you are capable of raising the level of security for your bike.

ii. Ease of Use

These mountain bike locks are easy to use, as all you need is to lock the bike and carry around the keys. The keys also make it easy in the unlocking of your bike. In most cases, one of the many keys that come along with the lock has a bulb with replaceable batteries. This is to help you with the late-night locking and unlocking. Nothing could be easier in operations than these U-locks.

iii. Ratings

Could you be wondering why to purchase these bike locks instead of any other lock on the market? Well, here is a good answer for you. If you take a look at the online ratings for these locks by customers who have experienced them, you will realize that the innovation taking place is just what was required in the market. With this picture, you will realize that the locks are the best solution currently trending in the market.

iv. Durability

These locks have durability in the investment made during creation. This has been made easy by features such as the weatherproofing idea that makes it resistant to the weather conditions likely to damage and shorten the life of your lock. This way, in the moving parts, rusting is prevented.

There is a steel coating that has also been invested in the entire lock outwards. This prevents the outer part from attaining scratches during the usage of your lock. This way, the lock remains as presentable as it originally was with top-class durability.

v. Confidence and Comfort

There is no feeling greater than the feeling of confidence whenever you travel and leave your bike anywhere at the streets without the fear of theft. This stimulates riding. Currently, the only way of a rider acquiring this confidence and comfort is by attaining one of these locks. The only to fight against thieves in the streets is to attain a lock for your bike.

Things You Need to Consider Before Buying a Mountain Bike Lock

i. Quality Features

Whenever you are out there making purchases, it is about the satisfaction of your requirements. What you need is security for your expensive mountain bike. Do the features of the one you select, seem to provide the exact same requirement? If yes, then the piece is worth your dollar. If no, I would say check out for another one.

ii. Price vs Features

After identifying the features you need, the next appropriate step is comparing the features, their advantages and the prices you are acquiring the lock at, is it fair or not? If you are seriously after the bike’s security, you will identify whatever you are looking for and what prices it is available.

iii. Prices vs Your Budget

We have searched for the exact features we are looking for. During this search, you will identify products that match the exact features you are looking for and others that are close to what you are looking for. What separates these two is the relation of their prices to your budget.

Definitely, you will realize that one is priced higher than the other. What does your budget say? What can you afford? You need to make purchases without squeezing your finances. This is why I say; go for what you can afford.

iv. Coating of the Lock

Before you purchase the lock you select, you will need to pay attention to the coating invested on that specific lock. The reason this coating is important is because it determines the durability of your bike and its resistance against scratches and more physical disturbances.

v. Weight

As we all know, every bike lock worth carrying around for your bike’s security is supposed to be heavy enough to resist the damaging acts of thieves. However, even as we consider the heavyweight, the lock should be light enough for you to carry it around comfortably. Everyone wants a lock to provide bike security from any parking place they use. Hence, make sure you purchase a favourable weight you can manage to carry around. This way, you will not regret.


In conclusion, I believe you are candidly guided through purchasing the Best Bike U-Lock in the entire market. With my list of the top 5 U-locks, you are capable of falling unto the exact perfect features you are looking for to have maximum security for your expensive mountain bike.

You know your requirements best and is thus up to you to check out for whatever you are looking for. You will want to have a good look at the list of things to consider before purchasing your bike’s lock. With this great combination, you have more than the required guidance to have yourself the best bike lock. You no longer have to keep bothering about the insecurity issues that are currently topping in the streets.

You have the best solution right here with you as long as you consider every recommendation in this article. In addition, I would recommend you make purchases online for the best quality of products at the fairest prices ever.

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