Kryptonite Keeper 12 Standard U-Lock/D-Lock with 4 foot Kryptoflex cable Sold Secure Silver

£34.95

Kryptonite Keeper 12 U-Lock & 4ft cable – 12mm hardened steel, double deadbolt, Sold Secure Silver rated. Ideal for bikes & scooters. Police approved.

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Kryptonite Keeper 12 Standard U-Lock/D-Lock with 4 foot Kryptoflex cable

Our Take:

Looking for a secure, affordable lock for your bike or scooter? The Kryptonite Keeper 12 delivers solid protection in a compact, easy-to-use design. It includes an extra 4ft Kryptoflex cable for securing wheels or accessories and is Sold Secure Silver-rated, making it ideal for everyday use in moderate-risk areas.

Before buying, always check the U-lock size to ensure it fits your frame and locking location properly — too small or too big can reduce security and convenience.

Key Security Features

  • 12mm Hardened Steel Shackle
    Resists cutting and leverage attacks.

  • Double Deadbolt with Anti-Rotation Locking
    Resists twist-style attacks.

  • High-Security Disc-Style Cylinder
    Reduces lock-picking risk.

  • Sold Secure Silver Rated
    Certified moderate-level protection by Sold Secure.

  • Police Preferred Specification
    Approved by Secured by Design, UK Police’s official security initiative.

Practical Design Details

  • Cable Included:
    120cm x 10mm Kryptoflex cable with double loops — perfect for securing wheels or accessories.

  • Transport Bracket:
    Easy click-style bracket for on-the-go mounting.

  • Keys:
    2 stainless steel ergonomic keys to reduce torque stress and prevent bending/breaking.

  • Key Safe Program:
    Free key replacement service by Kryptonite.

Product Specs

Feature Detail
Shackle Thickness 12mm
Cable Length 120cm (4ft) x 10mm
Product Dimensions 10.2 cm x 20.3 cm
Weight 1.09 kg
Colour Black
Lock Type U-Lock / D-Lock + Cable
Security Rating Sold Secure Silver

Why Choose the Kryptonite Keeper 12?

  • ✅ Affordable yet trusted protection

  • ✅ Bonus cable for securing more than just your frame

  • ✅ Easy to carry and lock

  • ✅ Perfect for daily commuting and city use

Fitment Tip

U-locks come in different sizes — be sure this one fits both your bike/scooter frame and the object you plan to lock it to. A snug, secure fit improves both ease of use and protection.

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