Kryptonite KryptoLok Series 2 Standard Bicycle U-Lock w/ 4-Foot Flex Cable

Item # KRY001072 (Part # 001072)
Brand new, USA Warranty
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Users, experts, and even bike thieves agree that the Kryptonite Kryptolok Series 2 is strong enough to foil the most determined of thieves’ attempts. It is a lightweight product that comes with an easy-to-mount and stable carrying bracket to fit most makes of bikes. Buyers can also purchase three years’ insurance directly from Kryptonite for added peace of mind.

The company has been the leader in action sports security for more the four decades. They are the creators of the original bike locks and have set the standard for high-quality security items.
The Kryptonite Kryptolok Series 2 is ideal for pretty much everybody. It offers the highest ratio of portability to security. While chains can offer a small bump in security, they weigh a lot and still give in to the right power tools. A top quality u-lock is the sensible solution for bike riders.
While many people don’t know how to use bicycle locks, or lean towards buying bulky and expensive u-locks that don’t properly secure the bike’s frame, this product’s performance suits even the most inexperienced cyclists.

The 13mm performance hardened steel shackle has been designed to resist cutting while the 4” double loop is ideal for securing the front wheel. The reinforced hardened crossbar offers further protection, and the rotating dust cover protects the cylinder.

The Kryptonite Kryptolok Series 2 has a protective vinyl coating and includes the FlexFrame-U transportation system that makes for versatility when carrying.

Sometimes all it takes is for a would-be thief to spot a correctly used u-lock to deter their intentions, sending them on their way to steal a bike down the road secured with a flimsy cable or mere chain. Locking technique is important when it comes to securing a bike. The Series 2 with 4-foot flex cable offers a visual deterrent while withstanding the efforts of the most determined bike thief. offers this product at a highly reasonable price. The u-lock tops meet every criterion for a great security device. We offer high-end brands and versatile and easy shipping terms and quality customer service for customer’s convenience.


  • 13mm hardened Performance steel shackle resists cutting and leverage attacks
  • Includes 4' KryptoFlex double loop cable for securing front wheel or accessories
  • Reinforced hardened cross bar design provides increased protection
  • High security, disc-style cylinder
  • Anti-rattle bumpers reduce noise during transport
  • Rotating dustcover protects cylinder
  • Includes new Transit FlexFrame-U transportation system which allows for versatile carrying
  • Protective vinyl coating
  • 2 stainless steel keys
  • Key Safe Program

Patent 6422442


  • Product dimensions: 4" x 9" (10.2cm x 22.9cm)
  • Product weight: 3.60 lbs (1.63 kgs)

About Kryptonite:

For over 40 years, Kryptonite has been the leader in action sports security. As the creator of the original bicycle u-lock in and the bicycle security category in 1971, Kryptonite has set the standard for premium quality security products. As impressive as our products are, the Kryptonite story itself is also pretty cool. From the early days in a VW van, to the legendary NYC stories, to the numerous prestigious awards the company has received for design and innovation, the Kryptonite story is about much more than a product


This Kit Includes: