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Kryptonite Kryptolok Series 2 Vs SIGTUNA Bike lock 16mm

Kryptonite Kryptolok Series 2 Standard Vs SIGTUNA Bike lock 16mm

Kryptonite Kryptolok Series 2 Standard Vs SIGTUNA Bike lock 16mm Heavy Duty Bike Lock

written by: Koby G (Silver Eagle Locksmith)

When it comes to securing your bike, you can choose any lock. Top qualities to look for are high security, durability and affordability. U locks are particularly common because they offer more security than any other type of lock. They are still practical and reasonably priced.


To help make the best decision here we will compare two common U locks. Here is a look at Kryptonite Kryptolok Series 2 Standard Vs SIGTUNA Bike lock 16mm Heavy Duty Bike.


Kryptonite Kryptolok Series 2 Standard

  • The lock has a 13mm hardened steel shackle. This will prove difficult for any thief to cut using a bolt cutter. The disk style cylinder is drill and pick resistant. The hardened crossbar improves the security even more. It does not easily give in to the forces applied by brute objects that thieves can use to break it.


  • The Kryptolok’s shackle is not double bolted and the steel used is not the best. Also included is a cable that secures the wheels or seat. This is 10mm in thickness and 4 feet in length. It is not really that strong and cutting it is really easy.



Kryptonite Kryptolok Series 2


  • The Sold Secure rates the Kryptonite Kryptolok Series 2 as Silver, while the makers rate it as moderately secure. It is therefore useful in securing bikes parked in low risk areas for a short time.


  • The Kryptolok weighs 1.26 kg which is quite heavy. But one can carry it in a bag on the back without much discomfort. It has anti-rattle bumpers that minimize the noise during transportation.


  • To make the transportation even more versatile, there is a Transit FlexFrame system included. When secured well, it works properly. However, many people express dissatisfaction with the frame bracket.


  • online reviews of the product are anything to go by. The complaints include difficulty in attaching to the frame and the bracket slipping down. It is also difficult to get the lock on and off the mount.


  • The Kryptolok is very easy to use thanks to the Bent Foot design. This means that one arm of the shackle has a hook shape. This makes it very easy to secure the shackle to the crossbar.


  • When you buy the lock you get two keys. The Kryptonite’s Safe Key program however will help you get replacements in case you lose the keys. All you have to do is register your keys on their website and report any losses.


  • The lock has a rotating dust cover that protects it from dust and other weather elements. With proper maintenance the lock will serve you for a long time without stiffening of the lock mechanism. What is more? If the lock fails or a thief steals the bike by cutting the lock, Kryptonite will compensate you.


SIGTUNA Bike lock 16mm Heavy Duty Bike

  • This 16mm heavy duty lock is perfect for use in high risk areas. No brute force can cut, drill or break the lock making it very secure. The U-bolt lock enhances the security even more. It has double bolts that secure the two sides of the lock to the crossbar.


  • There is also a strong mounting bracket for better security. There is a 1.2 metres braided steel flex cable that is useful in securing the entire bike. You can use this to loop the tires and the entire frame. It can even help secure two bikes with one lock.


  • ==> SIGTUNA bike lock buying price is at less than 40$ making it very affordable. The lock is very easy to use. It has two Abloy keys that open the lock easily. The keyhole comes with a movable cover that not only enhances security. It also protects the lock from dust and precipitation.


SIGTUNA Bike locks - 16mm


  • To carry the lock from one place to the other, the sturdy mounting bracket is perfect. The lock weighs 1.7kgs which is heavy enough to ensure the bike is secure but light enough to carry.


  • When it comes to durability, the Sigtuna heavy duty bike lock is durable thanks to the use of quality parts. It is CELAB certified and will serve you for a long time. All locks come with a 100% money back guarantee.


You also might be interested on “How To Choose The Best Bike Lock” check out this article to learn how.

Bottom line

The Kryptonite Kryptolok Series 2 and the Sigtuna Bike lock are similar in several ways and different in others. Which one to choose? This will depend on the areas where you park your bike. If you only park in low risk areas then the Kryptolok will serve your needs. For high risk areas the heavy duty Sigtuna is the best option.



Kryptonite New York U Lock Standard Review

Kryptonite New York U Lock

Kryptonite New York U Lock Standard Review

Introduction: Brand History

As far as bike security is concerned, Kryptonite is without a doubt one of the leading brands on the market. a young man with a passion for bike locks and security started this company.

He was working on developing a lock that would offer New York bike owners the perfect solution to the increasing incidents of bike thefts.

And after all his hard work, it is safe to say that his brainchild changed the world of bike security forever.


The Kryptonite New York U Lock Standard is one of their finest creations to date and with all its amazing features it is not so hard to see why it is so popular.

Below is a comprehensive review of the bike lock in terms of what we like about it and a few snags here and there that you might have to deal with if you buy it.

Kryptonite New York U Lock

Our Favorite Features From The New York Lock Standard Model

  • · U lock design

While considering the security of your bike, it is safe to say that you can never go wrong with a U bike lock. This design meant to make it difficult for thieves to defeat the lock and steal your bike.

The Kryptonite New York U Lock Standard lock has a 16 mm thick shackle which makes it resilient against attacks by bolt cutters and most other cutting tools used by bike thieves.

· Weight and dimensions

The Kryptonite New York U Lock Standard is, as the name suggests, a standard sized U bike locks. It measures 4 inches in width by 8 inches in length.

These dimensions are beneficial in two ways. The first is that they offer enough space for you as the bike owner to have a variety of objects to choose from around which to fasten your bike.

This can be anything from a standard bike rack to the rails on the staircase next to your office. The space within the shackle bend is also sufficient for fastening around some street light poles.

The second advantage provided by these dimensions is the protection from attack by bold cutters. As a standard sized lock, you get to enjoy more space.

The Kryptonite New York Lock Standard bike lock weighs 4.35 pounds which makes it one of the heavier options on the market. The weight is because of the high quality materials used in this lock, making the extra pounds more than worth the trouble.

· Hardened steel sleeve over the shackle

The 16mm shackle have patented hardened steel sleeve all over the shackle. This sleeve serves the purpose of providing additional security by protecting the shackle from attack by any cutting tool

· Double deadbolt locking

This lock is one of the few on the market that is currently available with this revolutionary locking mechanism.

The double locking deadbolt features means that both ends of the U shaped shackle are bolted leaving the thief with no choice but having to cut both shafts.

Considering all the other security measures in place, it is safe to say that cutting through just one shaft is difficult if not impossible and the double lock mechanism will frustrate all the thief’s efforts.

· Centered keyway

A centered keyway is one of the most effective ways of protecting the lock from attack by leveraging. This is exactly what you can expect from the Kryptonite New York U Lock. The position of the lock also makes it difficult for thieves to gain easy access for attack using picking tools.

· Vinyl coating

This feature is unique to Kryptonite brand locks and exists as an additional protective measure. This feature in particular seeks to protect the lock itself from corrosion and other forms of damage due to exposure to natural elements.

The result after long term us is a lock that not only functions optimally but that also looks pretty good.

  • – The cylinder have sliding dust cover for weather resistant.
  • – It is durable.
  • – It is resistant to almost all forms of attack thus very secure.
  • – As a U lock, it is easy to use.
  • – It is compatible with carrier systems and frame brackets for transport.
  • – It features 3 keys; one of which has an LED light for easy night vision.
  • – It is very heavy thus difficult and inconvenient to carry around.
  • – Some faulty units experience lock jamming with prolonged use.
Final verdict

There is no denying the fact that the Kryptonite New York Lock Standard bike lock reflects the high quality and great performance that we have learnt to expect from Kryptonite.

The amazing features above make it a piece definitely worth considering whether you are a first time bike owner or you are a bicycle veteran looking to upgrade your bike’s security.