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Home »  Cycle »  Accessories »  Locks & Security » Kryptonite Evolution Series 4 U-lock with FlexFrame Bracket

Kryptonite Evolution Series 4 U-lock with FlexFrame Bracket

  • Security: Sold Secure Gold Rated
  • Security: Approved to Thatcham Category 3
  • Fits Bicycle Frame Tubing of 25-80mm
  • Comes with 3 Keys, Including 1 Lighted
  • Patented Deadbolt Locking Mechanism
  • Hardened Kryptonium Steel Shackle

Kryptonite Evolution Series 4 U-Lock with FlexFrame Bracket

With a hardened Kryptonium steel shackle and patented deadbolt locking mechanism, it's no surprise that the Evolution series 4 U-Lock is approved to Thatcham Category 3 and has a gold standard level of security. It is a great lock option for moderate to high crime areas. 

The lock comes with three keys, including one with a light, so no longer will you be struggling in the cold dark trying to unlock your bike. Thanks to the Flex Frame-U, this lock will fit bicycle frame tubing from 25-80mm.  

14mm hardened Kryptonium steel shackle
Patented double deadbolt locking mechanism for extensive holding power
High security ovalised cylinder
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 and supports the transportation of the most common u-lock sizes
The Flex Frame-U fits bicycle frame tubing 25mm to 80mm whether round, oval, triangular or square shapes
The mounting system allows for 360 degree rotation providing the ability to micro-adjust the lock angle to better fit and align with a bike frames specific geometry
Rotating dustcover over cylinder protects from dirt & grime
Vinyl coated and weatherproof
U-lock dimensions: 10.2 cm x 22.9 cm x 14 mm

UK Delivery
Most in stock orders will arrive within 1-5 working days. We also offer a Saturday delivery service for customers who want their order at the weekend, and a tracked courier service for customers is also available. Please note that all delivery lead times stated on product pages are approximate, We'll email you when your order has been despatched.

UK Orders Over £10 (excluding bikes)
These orders are eligible for our FREE Standard Delivery service (Monday to Friday only).

UK Orders Under £10
These orders will incur a £5 delivery charge (UK mainland only).

UK Bike and Bulky Item Orders -
For bike and bulky items there is a standard £25 charge for delivery (UK mainland only)

UK Tracked Courier Service
£6.99 (orders over £10)
£12 (orders under £10) non bikes

UK Saturday Tracked Courier Service
£19.99 (non bikes)
£30 (bikes)

International Delivery
FREE delivery available (non bike orders)

To see full information regarding our list of delivery costs both in the UK and to other destinations please CLICK HERE

35 Day Hassle Free Returns

We want you to be totally satisfied with your purchase and have complete confidence in buying from us, so if for some reason you are not happy with your purchase you can return your item within 35 days of the date in which you originally made the purchase. Even if you change your mind or have ordered the incorrect size you can rest assured you can return your goods. This is provided they are unused and you return them to us safely and undamaged in its original packaging with the manufacturer's labels and your receipt*. We'll always aim to exchange items or find a replacement product. The simplest and quickest way to do this is to make a new purchase with us online for the replacement product and then return you don't want for a full refund. 

For bike purchases we have special arrangements, will give the appropriate advice over the telephone or via email.

*The only exceptions are items which are perishable, or have been customised or personalised or for health and safety reasons (such as face masks).

Refunds will be processed using the same method of payment used for the original purchase. Credit and debit card refunds will be made to the card used for the original purchase. Purchases made through PayPal will receive any refund in their PayPal account.

Full information regarding our Returns Policy can be viewed by clicking the link at the bottom of the page.

‘Click and Collect’ Service

We offer a personalised ‘Click and Collect’ service for customers who wish to pick up their Bikes or other orders from our exciting new shop in Battersea, South West London and also from an alternative location Martlesham Heath, Suffolk. In future we hope to offer this service through our website. Currently, if you would like to collect your order from our Battersea shop, please email us, providing a telephone contact number. We will then call you to arrange special payment and advise when your order will be ready for you to collect at our London shop. If this is a bike, we will be happy to help unpack your bike and ensure it is ready for you to ride away on. CONTACT US today regarding our personalised 'Click and Collect Service. Please note that all Trek Bikes are now only available to purchase on our 'Click and Collect' service.

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. Anonymous from Anonymous on 23 Sep 2013
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Kryptonite Evolution Series 4 U-lock with FlexFrame Bracket
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