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Kryptonite Keeper 12 Standard Flex 4 U-lock

38.99 €

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Features of Kryptonite Keeper 12 Standard Flex 4

Trusted by over 25 million satisfied customers worldwide

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Specifications Kryptonite Keeper 12 Standard Flex 4

Features of Kryptonite Keeper 12 Standard Flex 4

Color Black

Color

Black

Silver

Silver

Closure System Keys

Closure System

Keys

Padlocks Cable Lock

Padlocks

Cable Lock

Product description of Kryptonite Keeper 12 Standard Flex 4 U-lock

Description summary

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Features:

- 12mm Hardened Performance Steel Shackle
- New Hardened Double Deadbolt Design With Anti-Rotation Resist Against Twist
- Disc-Style Cylinder
- Includes Click Style Transportation Bracket
- Includes 4´ Flex Cable For Securing Front Wheel Or Other Accessories
- Includes Two Stainless Steel Keys With Ergonomic Design To Reduce Torque And Keep Them From Bending Or Breaking
- Key Safe Program


Specifications:

- Dimensions: 4” x 8” (10.2cm x 20.3cm)
- Weight: 2.40 lbs (1.09 kgs)

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4.75 / 5

5 stars

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4 stars

25%

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8 Reviews

What our customers are saying about Kryptonite Keeper 12 Standard Flex 4 U-lock

This high-quality, strong bike lock is praised for being easy to use. Its versatile size is great for securing a bike frame to various structures, and the included extra cable is a useful feature for locking a wheel. The U-lock has a protective coating that prevents scratches on the bike. While some find it heavy, the main drawback noted is the bike frame mount, which may be too small or lack enough adjustment rubbers for a secure fit on all tube sizes

Kryptonite Keeper 12 Standard Flex 4 U-lock

Nice locker

2025/04/02

joao

Nice locker, but to heavy.

Kryptonite Keeper 12 Standard Flex 4 U-lock

Good and easy to use

2024/12/13

Marta

Good and easy to use lock, suitable size for attaching to structures that are not bicycle parking, extra cable also good. The support for carrying the lock on the bike is too small for the frame tube.

Kryptonite Keeper 12 Standard Flex 4 U-lock

All very well

2023/10/17

Michel

I'm from Brazil and I made the purchase through the website. The lock arrived perfectly on the scheduled day. The quality of the lock is great. Better than others on the market.

Kryptonite Keeper 12 Standard Flex 4 U-lock

Resistant

2023/07/08

Niko

A strong lock, with which you can fasten the bike well from the frame to the metal railings, etc., and with a chain, you can still fasten the front wheel to the lock.

Kryptonite Keeper 12 Standard Flex 4 U-lock

Excellent purchase

2023/05/10

Corrado

All good, product management and delivery.

Kryptonite Keeper 12 Standard Flex 4 U-lock

Delivery on time

2021/07/28

Renato

It was my first purchase at the Bike Inn store and despite the fear of being an international purchase, everything went well with the delivery. Assertive tracking follow-up and on-time delivery. Worth it! Very good product and arrived completely as advertised.

Kryptonite Keeper 12 Standard Flex 4 U-lock

A marvel

2021/06/08

Nando

Very happy with this product, it offers a good guarantee and the quality is unbeatable

Kryptonite Keeper 12 Standard Flex 4 U-lock

Assembly

2021/01/27

Tiago Rafael Santos

I would like it to come with more adjustment rubbers to the size of the frame tubes when assembling the fitting. I only brought one. But nothing that the imagination does not arrange for a perfect grip. The padlock has a nice coating, it doesn't damage the bike.

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