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Kryptonite Evolution Series 4 LS Lock with EZMount Bracket

by Kryptonite
4.0 out of 5 stars  See all reviews (24 customer reviews)
RRP: £54.99
Price: £45.98
You Save: £9.01 (16%)
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In stock.
Dispatched from and sold by bikes4life limited.
  • Bicycle security for moderate to high crime areas, with an extra long shackle
  • 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 twisting 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
  • EZ-Mount bracket included
  • Rotating dustcover over cylinder protects from dirt & grime
  • Vinyl coated and weatherproof
  • U-lock dimensions: 10.2 x 29.2 cm
There is a newer model of this item:
Kryptonite Evolution Series4 Long Shackle U-Lock - Black/Orange, 10.2 X 29.2 X 1.4 cm Kryptonite Evolution Series4 Long Shackle U-Lock - Black/Orange, 10.2 X 29.2 X 1.4 cm 4.5 out of 5 stars (4)
£33.98
In stock.

Frequently Bought Together

Kryptonite Evolution Series 4 LS Lock with EZMount Bracket + Kryptonite Kryptoflex 7 ft Cable Lock (10 mm x 213 cm)
Price For Both: £58.72

These items are dispatched from and sold by different sellers.

Buy the selected items together


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Product details

  • Product Dimensions: 36.8 x 16.5 x 6.4 cm ; 454 g
  • Boxed-product Weight: 1.8 Kg
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: 720018999355
  • ASIN: B001ASWIZ6
  • Date first available at Amazon.co.uk: 26 Dec 2008
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (24 customer reviews)
  • Amazon Bestsellers Rank: 46,543 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Product Description

Manufacturer's Description

Tough cycle lock for moderate to high crime areas, 14 mm case-hardened Kryptonium steel shackle with drill resistant flat key locking mechanism and an ovalised reinforced barrel. Gold Sold Secure standard.

Product Description

  • Type: U-lock
  • Bracket diameter: 13 mm
  • Bracket weight: 100 mm
  • Bracket height: 290 mm
  • Keys: 3
  • Safety features: High safety cylinder lock
  • Protective systems: drilling protection
  • Material: hardened Kryptonium special steel
  • Holder: EZ-mount
  • Details: vinyl cover


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
6 of 6 people found the following review helpful
4.0 out of 5 stars Good lock, but bear in mind ... 29 Oct 2009
This kyptonite lock is a very good lock. Whether or not it is the lock for your bike may well be another matter!

If you will not be carrying the lock around with you, I would very highly recommend it ... although that probably does rather defeat the main purpose of buying it in the first place!

This lock is not lightweight, so if you do not want to carry around more weight than you have to I would caution you against buying it. It's weight also means that if you were thinking of carrying this lock in your bag, rather than fixing it to your frame with the supplied mount, I would look for another lock.

Having mentioned the supplied mount, it is my chief complaint about this product! I suspect, the lock will not fit within the confines of any bike frame in a way that enables you to take it out of the "EZMount"(I have a spacious 21.5" frame and it doesn't fit because of it). The EZMount holds the lock a significant distance away from the frame of your bike so that even if the actual dimensions of the lock should fit within your frame, once you've added the EZMount it won't! This problem is, however, overcome by slightly offsetting the lock from the frame by fixing the EZMount pointing out at a slight angle over your chainset, and the fixing spline (which can be rotated around the shackle and fixed to ensure that it is held parallel to your frame), to ensure you don't knock it as you pedal. The other draw back with the mount (which admittedly may be peculiar to my specific lock or merely because it is comparatively new) is that whilst it may hold the lock firmly as you ride, it holds the lock so securely that it can be a bit of a fight to unmount it when you want to actually lock up your bike!
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19 of 21 people found the following review helpful
2.0 out of 5 stars Bracket from HELL 19 Feb 2009
THE LOCK
The lock works fine. Unlike some of Kyrptonite's locks, you can fit the U-bar into the straight-bar either way round. I'd would caution against buying on looks though: it looks pretty in the photo, but in real life that orange bar is massive and very orange. I feel kind of embarrassed by it. It really is big, like a baby's arm or something. Understated it is not. Look at one in a shop first.

THE BRACKET
The real source of my buyer's remorse. The plastic is sturdy enough, but the design is just wrong. There is nothing EZ about mounting this bracket.

1) It holds the lock about 4 inches off the bike frame. Unless you have a *very* large frame, the lock won't fit in any place suggested in the instructions.

2) You can try getting creative and fitting it elsewhere, but the tightening-strap is either too short for, or doesn't tighten close enough for, any locations not shown in the instructions.

3) It *would* fit high up on the back forks, if they let you use the last notch on the tightening-strap. But, seemingly out of spite, this last notch is a different shape to all the others. Just as you get it tight enough to not swing into the spokes, it merrily slips past the notch and you have to take the whole thing off and reshape the last notch with a craft knife.

4) But the bracket won't come off. There is a whole section of the instructions for removing the bracket easily. But they are evil lies. You actually have to take the whole thing apart with an allen key.

5) Once you have it on the back forks you realise why you never see bike locks on the back forks - because your heel easily catches it when you pedal. So you have to take it apart with an allen key again, just to move it a few millimeters.
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2 of 2 people found the following review helpful
4.0 out of 5 stars Great product but check your frame size. 10 Dec 2010
This is a very solid and well made lock, and has the weight to prove it. It should deter all but the most determined and well equipped thief. The problem I have is that it is too big to fit within my frame. I have a Specialized Allez 52cm frame and there is no way that the lock fits in the triangle, never nind with the EZmount. The shorter version would probably fit, but wouldn't allow attachment to as many solid objects.
In terms of security, I would thoroughly recommend this lock, but if you want to fit it to your bike, check the frame size first.
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1 of 1 people found the following review helpful
5.0 out of 5 stars The Best Sub-£35 Shackle Out There. 29 Aug 2012
By IntensiveCareNurse TOP 100 REVIEWER
Verified Purchase
I spent far too much time researching reviews & opinions of shackle locks in order to find the best value (yes, Im a bit of a tight-wad), most reliable and most secure one out there, so am passing this on for others.
The Kryptonite range of shackles seems to win the coconut here, and the Kryptonite Evolution appears to come way ahead of others in a limited market place. Why?;

1) There are only 2 Sold Secure gold bicycle shackles for this kind of money (this one & the Masterlock Street Fortum). The Masterlock shackle, however, has very poor reviews re reliability & outright security.
2) This lock is exceptionally strong for the money (has a very impressive tonnage pull breaking point).
3) The lock action (key/tumblers) is exceptionally smooth, no reviews indicating any reliability problems (unlike much of the competition). The keys look & feel solid & well made. There is a light fitted to one of the 3 keys (a blue & funky beam too).
4) It simply looks the business (a strong looking lock is a deterrant in itself).
5) It is difficult to find realistic criticism for it amongst a great many reviews (on both Amazon UK & US, plus other sources).
5) The bike mounting system is the best I have seen, although some reviewers complain it won't fit their particular bike (I advise you size it to your bike first if the mount is important to you). It only fits on the front handlebar stem of my folding bicycle, for example, although Im happy to sacrifice street-cred over practicality. The adjustable fitting will go around MOST sizes & types of tube crossection (circular, or egg shaped... you name it), the only real restriction being the size of the space needed to mount the shackle there.
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Most Recent Customer Reviews
4.0 out of 5 stars A bit of creative DIY required
Ok, this is a nice little lock...it does weigh an absolute ton though!

The EZMount, while a nice idea, has the most laughable mounting system I've ever come across! Read more
Published 1 month ago by victoria sutcliffe
4.0 out of 5 stars Still got the bike
I have two of these, one stays at work while the other lives at home. That's only to get round the weighty issue of having to lug them around if you only had one. Read more
Published 6 months ago by Spike Bainbridge
5.0 out of 5 stars Solid.
No wonder this brand is so highly regarded, you can tell this would take a lot to break. The bright colour i think would act as a deterrent. Read more
Published 6 months ago by alpha
2.0 out of 5 stars Keys very easy to damage
The lock is meant to be the best around looking at all of the write ups, I am very disappointed in the keys, they bend incredibly easily and then are useless to be used with the... Read more
Published 7 months ago by MaizeMand
2.0 out of 5 stars Cylce Lock
The locking mechanism jammed up after less than one year. Luckily it jammed before putting it on the bike. This is an expensive item it should last a lot longer.
Published 9 months ago by Richard of Warwick
5.0 out of 5 stars Perfect protection for our bike.
After our last bike was stolen we recognised we needed better security if we were store the new one outside our flat (a virtual necessity as the flat is so compact). Read more
Published 11 months ago by M. R. Baines
5.0 out of 5 stars Great Product.
No ones nicked my bike. O that's because i haven't been out on it lol.

This is a Big bike lock it will easily go though a gents mountain bike rear wheel, frame and a... Read more
Published 11 months ago by Mr. G. Boyle
3.0 out of 5 stars Strong and Heavy
It is very strong, although a bit heavy (2 kg) and the key does not work properly enough (worse with mud around)
Published 16 months ago by Marco Gándara Rey
1.0 out of 5 stars Key is terrible!
I bought this product thinking it was one of the best, which it is! The weight and strength of the actual D lock is remarkable and easily one of the best deterrents for a bike... Read more
Published 17 months ago by A. Wright
5.0 out of 5 stars Better than my previous lock.
We have had a spate of bicycle thefts from our area recently and in my case if the bike is not locked to a suitable post or anchor point with a minimum of a sold secure silver lock... Read more
Published 19 months ago by L. W. Newton
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