ROCKBROS RBK6N 4-Digit Combination Bicycle Cable Lock - Black, 120cm x 12mm

Leaving your bike locked outside a busy café or commuting through crowded city streets, you need a lock that balances security and convenience. The ROCKBROS RBK6N cable lock uses a 4-digit resettable combination, so you never have to fumble for keys. The 12mm thick steel cable is wrapped in a black PVC coating that protects your bike's paint from scratches while resisting cuts and drills. At 120cm long, it easily secures your frame and front wheel to a rack or post. A mounting bracket is included, letting you attach the lock to your bike frame for quick access. Whether you ride a bicycle, scooter, or need to secure sports gear, this lock offers reliable medium-security protection.

Key specifications

• Product type: Bicycle cable lock
• Lock mechanism: 4-digit resettable combination
• Cable material: High-strength steel with PVC coating
• Cable length: 1200 mm
• Cable diameter: 12 mm
• Lock head material: ABS plastic
• Internal lock structure: Zinc alloy cylinder
• Colour: Black
• Mounting: Includes frame mounting bracket
• Security level: Medium
• Weather resistance: Dust and water splash resistant
• Operating temperature: -10°C to 60°C

Why choose it

The RBK6N eliminates the risk of lost keys with its resettable 4-digit code—choose a number you'll remember and change it anytime. The thick 12mm steel core resists bolt cutters and drills, while the PVC coating keeps your bike scratch-free. The included bracket means the lock is always within reach, not buried in a bag. It's a practical, durable choice for everyday security.

Ideal use cases

• Securing your bicycle frame and front wheel to a rack or post during quick stops.
• Locking scooters, gates, or sports equipment in medium-risk areas.
• Daily commuters who prefer a keyless, resettable combination lock.

Good to know

The lock's PVC coating not only protects your bike's paint but also provides a comfortable grip. The resettable combination allows you to set a personal code, and the mounting bracket fits most standard bike frames. While rated for medium security, it is best used in areas with moderate theft risk.