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Kryptonite Evolution Series 4 1055 Integrated Chain Lock

Now £33.99
Save 39% RRP: £55.99
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Product Description

Sold Secure Gold rated

The Kryptonite Evolution Series 4 chain lock is very strong for its size and weight for use in moderate to high crime areas. 10mm hardened triple heat-treated boron manganese steel chains offer excellent resistance from a range of attacks. 

Kryptonite's Evolution integrated lock comes with 3 stainless steel keys, of which 1 has an LED light to help you lock your bike in the dark. A very impressive bike lock that's very popular in the cycling community.

Key Features:

  • Sold Secure Gold rated
  • The hardened triple heat-treated boron manganese steel chains include 10mm six-sided links
  • The integrated chains secure with a new patent-pending integrated Evolution series 4 lock head
  • This innovative series of chains also feature a patent-pending pin-less design which secures the chain to a hardened deadbolt and allows for no weak leak in the chain due to extensive holding power of the link itself against attacks
  • Chains are enclosed in a nylon-webbing sleeve to protect paint from scratches and allow for easy portability and tight coiling during storage
  • Comes with 3 stainless steel keys including a lighted LED key with replaceable battery and 2 new, ergonomic ’I’ keys
  • One key is lighted for easy access at night; replaceable battery insures that light can be used as long as the lock. The new ’I’ keys make opening a disc-style cylinder much smoother

Specifications:

  • Product dimensions: 21.5” (55cm) chain length
  • Product weight: 4.40 lbs (2.00 kgs)

Additional Features:

  • Key Safe Program
  • Limited Lifetime Warranty
  • Kryptonite Anti-Theft Protection offer up to £2,000 when registered

    Kryptonite Evolution Series 4 1055 Integrated Chain Lock Reviews

    Write your own review
    Overall Rating:
    4.7
    out of 5
    4.70
    Build Quality
    4.89
    Performance
    4
    Value For Money
    4.59

    Customer Reviews (23)

    5
    High Quality

    A bit shorter than i expected however it doesn't matter because i feel very safe leaving my bike locked up with this while i am away from it, very heavy, great price

    A bit shorter than i expected however it doesn't matter because i feel very safe leaving my bike locked up with this while i am away from it, very heavy, great price

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    5
    A safety product

    This product is elegant and safety. I'm really fealing safe for my bike with it. But it is really heavy.

    This product is elegant and safety. I'm really fealing safe for my bike with it. But it is really heavy.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    3
    good but to small

    i bought this product thinking it would at least go around my wheel and frame but no but it is a god top tube lock but I would still by the slightly bigger one as this is not very practical

    i bought this product thinking it would at least go around my wheel and frame but no but it is a god top tube lock but I would still by the slightly bigger one as this is not very practical

    Close review
    3.3 out of 5
    Build Quality: 5/5
    Performance: 2.5/5
    Value For Money: 2.5/5
    4
    Good solid lock

    A good 'Sold Secure' Gold rated chain lock. Fine for securing bike to dedicated bike racks but it isn't long enough to fit around a lamp post. So I ended up buying the longer (900mm) version as well!

    A good 'Sold Secure' Gold rated chain lock. Fine for securing bike to dedicated bike racks but it isn't long enough to fit around a lamp post. So I ended up buying the longer (900mm) version as well!

    Close review
    4.5 out of 5
    Build Quality: 4.5/5
    Performance: 4/5
    Value For Money: 5/5
    5
    Security

    The lock weighs about 1.779kg which is just over 3 pounds. It's about 20 inches long. It's sold secure with a rating of 8/10 which I believe is silver secure. It fits snugly around the stem and bars without flapping about.

    The lock weighs about 1.779kg which is just over 3 pounds. It's about 20 inches long. It's sold secure with a rating of 8/10 which I believe is silver secure. It fits snugly around the stem and bars without flapping about.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    4
    Built to last

    Very strong lock that i know will last. Really like the led light on the key, no more fumbling in the dark :-) Brilliant they offer a free replacement key if you happen to be very clumsy and lose all 3 :-/

    Very strong lock that i know will last. Really like the led light on the key, no more fumbling in the dark :-) Brilliant they offer a free replacement key if you happen to be very clumsy and lose all 3 :-/

    Close review
    4.5 out of 5
    Build Quality: 5/5
    Performance: 4/5
    Value For Money: 4.5/5
    5
    Best Kryptonite for the money

    I also own another sturdier Kryptonite: New York Legend Chain and lock which is almost too much for a bike (really, really heavy). The Evolution however is sturdy enough for a medium-valued bike, but beware! The chain length is very, very short on this model (~50cm inner) and you really should measure before buying (with a same length string) weather you'll be able to tie your bike from something else. If you just want to lock your back wheel with your frame then the length is perfect.

    I also own another sturdier Kryptonite: New York Legend Chain and lock which is almost too much for a bike (really, really heavy). The Evolution however is sturdy enough for a medium-valued bike, but beware! The chain length is very, very short on this model (~50cm inner) and you really should measure before buying (with a same length string) weather you'll be able to tie your bike from something else. If you just want to lock your back wheel with your frame then the length is perfect.

    Close review
    4.8 out of 5
    Build Quality: 5/5
    Performance: 4.5/5
    Value For Money: 5/5
    5
    Strong, compact and secure

    Really impressed with the quality of the lock, it's quite heavy for its size. If you have an awkward locking point you may need the longer chain. Really please with it.

    Really impressed with the quality of the lock, it's quite heavy for its size. If you have an awkward locking point you may need the longer chain. Really please with it.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    4
    sturdy

    sturdy thick chain, worth the money. It is very short and difficult to lock your rear wheel to a stand. Good to lock your top tube

    sturdy thick chain, worth the money. It is very short and difficult to lock your rear wheel to a stand. Good to lock your top tube

    Close review
    4.3 out of 5
    Build Quality: 5/5
    Performance: 4/5
    Value For Money: 4/5
    5
    Solid lock

    Feels solid and was on offer so really good value when I bought it. I would feel confident using this to protect my bike.

    Feels solid and was on offer so really good value when I bought it. I would feel confident using this to protect my bike.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    < Previous 10 Next 10 > 1 - 10 of 23 reviews

    Chain Lock Guide

     

    Overview

    For use in medium to high crime areas

    Chain locks are flexible, tough and come in a range of lengths. They opening up a range of versatile locking options that you don’t get with other types of lock. With a chain lock, you’re not limited to fixing your bike to racks and lampposts, but also trees and other oddly shaped objects.

    Chain locks are made of two parts, the steel links that create the chain and the lock. The lock may be integrated into the chain, a separate padlock or even a mini D-lock.

    A burly chain lock can withstand a range of attacks from crowbars to powered tools. However, the trade off is weight. These are the heaviest bike locks that you can get, with some models weighing over 7kg. The heavier the chain, the stronger the links and the more protection you get.


    Weight

    Portable Chain Hiplok

    Portable Chain:
    1kg – 3kg

    Lighter weight chain locks under 3kg can be wrapped around your seatpost or frame and taken with you on your morning commute. These locks are more practical for daily use, however, will not offer the same level of protection as a sturdier chain.

    Thick Knog Chain Lock

    Stationary Chain:
    3kg – 7kg

    Locks weighing over 3kg are not practical to carry around with you. They do make a great stationary storage solution for your garage or shed, where the chain can be permanently fixed in place. Match a chain lock with a ground anchor for the ultimate protection for your bike at home.


    Material

    Chain links are usually built out of steel. However, premium chains will be constructed from hardened steel. By tempering the steel during forming, it becomes harder and less brittle. This makes it much tougher to cut through the links without serious equipment and time.

    Triple heated Boron Manganese steel is exceptionally resistant to cutting style attacks while remaining ductile.

    Thick Knog Chain Lock

    Link Thickness

    Small diameter d-lock

    12mm & Under:

    Chain links under 12mm can be cut with sustained effort with standard bolt cutters if the conditions are right.

    Tip: Lock your bike in an awkward position to make it harder to use bolt cutters.

    Medium diameter d-lock

    13mm – 15mm:

    Only the heaviest duty bolt cutters will be needed for these links.

    Remember, chain links need to be cut twice to break the link. This will take skill, time and effort.

    Large diameter d-lock

    16mm & Over:

    Even the best hand operated bolt-cutters will struggle to tackle these links.

    Tip: Keep your chain and lock off the floor. Freeze spray and a hammer strike can compromise the best chain locks.


    Locking Mechanism

    The Lock

    You’ll find most chain locks either come with an integrated lock or a separate padlock (or mini D-lock). A chain is only as strong as its weakest link, so make sure the lock is tough enough for your needs.

    Look for double deadbolt locking mechanisms that make it much harder to pick or drill the lock open. The thicker the shackle diameter on the padlock or D-lock, the tougher it will be to cut through.

    Close up showing the locking mechanism of the padlock

    Construction

    Chain Length

    Most brands offer varying chain lengths to suit your needs. Consider where you’re likely to be locking your bike.

    Lengths under 1m will be useful in tight areas such as locking your bike to a rack, fence or post. 1.5m – 2m chains are useful for locking multiple frames to one spot in your garage (you won’t be carrying these length chains with you as they’re too heavy).

    Showing the cable lock in full

    Sold Secure Rated

    A great way to determine the quality of a bike lock is to see if it is Sold Secure Rated. This is a third party, UK independent rating system for bike locks.

    Sold Secure Bronze

    Coverage: Up to £500

    Sold Secure Silver

    Coverage: Up to £1,000

    Sold Secure Gold

    Coverage: Over £1,000

    An approved lock is graded as Gold, Silver or Bronze. The rating is chosen by how long it takes to break the lock and the tools needed to break it. If you're planning on insuring your bike, many insurers will state you need a Sold Secure rated lock to make a successful claim.

    These values vary between insurance providers so check the terms and conditions of your provider.


    Frame Protection:

    Metal chain links can quickly scuff your paintwork. Look for chain locks that come with plastic or canvas sleeves to protect your frame from damage.

    It’s also worth choosing a lock (whether integrated or separate) that has rubberised or bump proof shackles and crossbars to ensure your paintwork is safe.

    Showing a close up of the coated part of the lock

    Delivery & Guarantee

    UK Delivery Information

    We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and on all orders over £20.

    Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

    Please note that Pre-Order dates can sometimes change due to updated stock information.

    Click here for more UK and international delivery information.

    Returns & Warranty

    It's easy to return a product with our 365 day, hassle free returns.

    We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

    Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

    If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

    For more information please visit our Returns & Warranty page.