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Kryptonite Evolution Series 4 U-Lock with FlexFrame Bracket

Kryptonite Evolution Series 4 U-Lock with FlexFrame Bracket

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The Kryptonite Evolution Series 4 U lock with FlexFrame bracket will keep your bike safe thanks to an impressively sturdy construction that will deter even the most determined thieves. The lock is Sold Secure Gold rated and comes with £1,000 anti-theft protection.

The patented double deadbolt locking mechanism provides extensive holding power and the reinforced internal housing increases resistance to twisting and leverage type attacks. There are three keys, including one which has a handy light, to minimise fumbling around in the dark and anti-rattle bumpers prevent any unnecessary noise and scratches.

Features

  • 14 mm hardened Kryptonium steel shackle
  • Patented double deadbolt locking mechanism for extensive holding power
  • High security ovalised cylinder that makes this a sold secure gold lock
  • Reinforced sleeve over crossbar and cylinder provides enhanced security protection
  • Reinforced internal housing increases resistance to twisting and leverage type attacks
  • Offset key location and overhead cam locking mechanism resists leverage attacks
  • Double deadbolt locking for extra strength against leverage attacks
  • Anti-Rattle bumpers keeps the shackle snug against the crossbar and prevent unnecessary noise
  • 3 keys, including 1 lighted
  • The Transit FlexFrame-U mounts quickly and easily
  • The Flex Frame-U fits bicycle frame tubing 25mm to 80mm and any shape
  • The mounting system allows for 360-degree rotation providing the ability to micro-adjust the lock angle
  • Rotating dustcover over cylinder protects from dirt and grime
  • Vinyl coated and weatherproof
  • U-lock dimensions: 10.2 cm x 29.2 cm x 14 mm


What do we think?
This will stop someone giving it a good go. The high vis makes it easily noticeable. It’s as if it’s saying to you “Don’t come near me – you ain’t gonna get it!”. For not much more money than the lower priced models, you’re getting a better security option which you can also use on a range of other vehicles. - Billy, Swansea Web Team 
This has a hardened double deadbolt which is really good. Kryptonite will replace your key if you lose it, which is good if you’re prone to misplacing keys. It also comes with a lifetime warranty for added peace of mind. - JT, Swansea Marketing Team 




Kryptonite Evolution Series 4 U-Lock with FlexFrame Bracket Reviews


Unbreakable!
Name:
Date:

Have been cycling the london streets for 2 years with this lock and no stolen bike! So good im buying a second lock for the lady!

Overall Rating: 5 - 5 / 5
Build Quality: 5 - 5 / 5
Performance: 5 - 5 / 5
Value For Money: 5 - 5 / 5
very secure
Name:
Date:

feels very sturdy seems quite resistant to attacks would be tempted to try more evasive actions against to see how strong it is but dont want to ruin a perfect lock

Overall Rating: 5 - 5 / 5
Build Quality: 5 - 5 / 5
Performance: 5 - 5 / 5
Value For Money: 5 - 5 / 5
Great lock excellent guarantee
Name:
Date:

This is a quality lock at a great price. Kryptonite give you a £1000 anti-theft guarantee if you register the lock within 15 days of purchase which is really helpful and provides even more security. Comes with 3 keys I keep one on me have one at home and the other in the office. Weight is pretty good too whether you carry it in your bag or on your frame via the included attachment.

Overall Rating: 4 - 4 / 5
Build Quality: 4 - 4 / 5
Performance: 4 - 4 / 5
Value For Money: 4 - 4 / 5
KRYPTONITE EVOLUTION SERIES 4 ULOCK
Name:
Date:

Excellent product immaculate build quality and along with the brand name a massive deterrent to anyone looking to pinch my bike.

Overall Rating: 5 - 5 / 5
Build Quality: 5 - 5 / 5
Performance: 5 - 5 / 5
Value For Money: 5 - 5 / 5
EVO 4 Lock
Name:
Date:

this is a sturdy heavy dlock. Ive had for over a year and its had no real issues although Ive had to place a little lube on the prongs of the shackle a couple of times as seems to rust up slightly but no issues after little oil

Overall Rating: 4 - 4 / 5
Build Quality: 4 - 4 / 5
Performance: 4 - 4 / 5
Value For Money: 5 - 5 / 5
Kryptonite for female urban commuters
Name:
Date:

Good choice for female urban commuter looking for a midprice d lock. Initially borrowed this lock from my housemate and now converted. It is tough and yet also sits comfortably in my front basket.

Overall Rating: 5 - 5 / 5
Build Quality: 5 - 5 / 5
Performance: 5 - 5 / 5
Value For Money: 4 - 4 / 5
Heavy solid reliable
Name:
Date:

A good sturdy lock. Needs oiling otherwise it can seize up. Key doesn't seem the strongest I've ever seen but its worked for two years regardless!

Overall Rating: 4 - 4 / 5
Build Quality: 4 - 4 / 5
Performance: 4 - 4 / 5
Value For Money: 4 - 4 / 5
Bike lock
Name:
Date:

It looks like a good bike lock so hopefully it is It looks like a good bike lock so hopefully it is It looks like a good bike lock so hopefully it is

Overall Rating: 4 - 4 / 5
Build Quality: 4 - 4 / 5
Performance: 4 - 4 / 5
Value For Money: 4 - 4 / 5
Kryptonite ulock
Name:
Date:

Solid well made and easy to lockunlock. Very pleased with it so far.

Overall Rating: 5 - 5 / 5
Build Quality: 5 - 5 / 5
Performance: 5 - 5 / 5
Value For Money: 5 - 5 / 5
A great lock
Name:
Date:

This is a great lock. Its kept my bike safe across London and is not too heavy considering its rating. The plastic bracket could be a smoother operation but it does the job.

Overall Rating: 4 - 4 / 5
Build Quality: 4 - 4 / 5
Performance: 5 - 5 / 5
Value For Money: 4 - 4 / 5
 

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