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

Our Take:

A great value bike lock/scooter lock, with moderate level security from a reputable brand. Also includes an additional cable to secure items in addition to the main lock. D-Locks come in different sizes, so it is important to check if the size is suitable. Check where you intend to locate the lock on your bike/scooter and what you will be fastening the other end to. Make sure the lock isn’t too small or too big.

Features:

• 12mm hardened performance steel shackle style attacks
• New hardened double deadbolt design with anti-rotation resist against twist
• Disc-style cylinder
• Includes click style transportation bracket
• Includes 120cm x 10mm kryptoflex double looped cable to secure your front wheel or accessories
• Includes two stainless steel keys with ergonomic design to reduce torque and keep them from bending or breaking
• Key Safe Program
• Awarded ‘Police Preferred Specification’ status by Secured by Design, the official security initiative owned by the UK Police Service
• Product dimensions: 10.2cm x 20.3cm
• Product weight: 1.09 kgs
• Colour: Black
• Size: Standard with 4 ft Kryptoflex
• Sold Secure Rating: Silver
• Product Type: D-Locks

Kryptonite Keeper 12 Standard U-Lock/D-Lock with 4ft Kryptoflex Cable

Looking for a reliable and affordable locking solution for your bike or electric scooter? The Kryptonite Keeper 12 Standard U-Lock combines robust mid-level security with trusted build quality — perfect for urban riders and commuters who want peace of mind without breaking the bank.

Enhanced Security and Build Quality

This D-lock features a 12mm hardened performance steel shackle, designed to withstand cutting and leverage attacks. Its double deadbolt anti-rotation technology adds extra strength against twist-style intrusions. The disc-style cylinder enhances security while minimizing lock-picking risks.

Practical Features

The included 4ft (120cm) Kryptoflex cable makes it easy to secure additional components like your front wheel or accessories. Also included is a click-style transport bracket for easy carrying, and two ergonomic stainless steel keys built to resist bending or breaking. You’ll also benefit from Kryptonite’s Key Safe Program for key replacement.

Key Features at a Glance

• Shackle Thickness: 12mm hardened steel resists cutting and leverage attacks.

• Security: Silver-rated by Sold Secure.

• Cable: 120cm x 10mm Kryptoflex cable for securing accessories.

• Anti-Theft Design: Double deadbolt + anti-rotation protection.

• Lock Cylinder: High-security disc-style mechanism.

• Transport Bracket: Easy click-style mount for on-the-go convenience.

• Keys: Includes 2 ergonomic stainless steel keys.

• Recognition: Awarded ‘Police Preferred Specification’ status by Secured by Design (UK Police Service).

• Product Size: 10.2 cm x 20.3 cm.

• Weight: 1.09 kg.

• Colour: Black.

• Type: Standard U-Lock / D-Lock with cable.

Why Choose the Kryptonite Keeper 12?

This lock provides reliable protection for your scooter or bicycle in moderate-risk areas. It’s an excellent choice for daily commuters or anyone looking for a balance between portability, price, and security. The added Kryptoflex cable gives you versatility for securing multiple components.

Fitment Tip

U-locks come in various sizes. Make sure the Keeper 12 fits the specific parts of your frame and the object you plan to lock it to. It should neither be too large nor too tight for optimal security and ease of use.