Ultimate Security for Your Bike – Strong, Flexible, and Keyless

Protect your bicycle with the ROCKBROS 5-Digit Combination Bike Cable Lock. Engineered with a thick anti-cutting PVC sleeve and five high-strength alloy steel cables, this 47-inch lock offers superior cut resistance while remaining flexible enough to secure your bike frame, wheels, and accessories. The keyless 5-digit combination mechanism gives you 100,000 possible codes, so you never worry about lost keys again. Waterproof and rustproof, it’s built to withstand any weather.

ROCKBROS 5-Digit Combination Bike Cable Lock – 47-Inch Heavy-Duty Security Lock, Anti-Cut & Waterproof, Keyless Convenience - Bike Lock - 1

Product Overview

At ROCKBROS, we believe every cyclist deserves peace of mind. Our combination cable lock combines heavy-duty materials with user-friendly design. Whether you’re commuting to work, parking at a café, or storing your bike overnight, this lock provides reliable protection without the hassle of keys. The 47-inch length gives you flexibility to lock your bike to poles, racks, or even secure multiple bikes together. Made from durable PVC and zinc alloy, it resists corrosion and cutting attempts.

Key Features

5-Digit Combination: Set your own password (initial 00000) – 100,000 unique combinations for enhanced security. Share temporary codes with family or friends.
Anti-Cutting Construction: Outer layer of thick PVC protects five high-strength alloy steel cables, making it extremely difficult to cut or break.
Flexible Yet Strong: Stretches to 47 inches (120 cm) and coils back easily – perfect for securing frames, wheels, and even helmets.
Waterproof and Rustproof: Thickened PVC cover and zinc alloy lock core ensure no rust or corrosion, even in rain or snow.
Keyless Convenience: No more lost keys – simply dial your combination and lock. Quick and easy to use every day.
Lightweight and Portable: Weighs only 0.5 lbs, easy to carry in a backpack or attach to your bike frame.

ROCKBROS 5-Digit Combination Bike Cable Lock – 47-Inch Heavy-Duty Security Lock, Anti-Cut & Waterproof, Keyless Convenience - Bike Lock - 2

Technical Specifications

Lock Type	5-Digit Combination Cable Lock
Material	PVC outer sleeve + 5x alloy steel cables
Length	47 inches (120 cm)
Weight	Approx. 0.5 lbs (230 g)
Combination Settings	100,000 possible codes (initial 00000)
Weather Resistance	Waterproof, rustproof, UV-resistant
Color	Black

ROCKBROS 5-Digit Combination Bike Cable Lock – 47-Inch Heavy-Duty Security Lock, Anti-Cut & Waterproof, Keyless Convenience - Bike Lock - 3

Comparison: ROCKBROS Cable Lock vs. Standard Bike Locks

Feature	ROCKBROS 5-Digit Cable Lock	Typical Cable Lock	U-Lock
Cut Resistance	High (5 steel cables + PVC)	Low (single cable)	Very High
Flexibility	Excellent (47 inch, coils)	Good (similar length)	Limited (rigid)
Keyless	Yes (combination)	Often key or combo	Usually key
Weatherproof	Yes (PVC + zinc alloy)	Often rusts	Yes (metal)
Portability	Lightweight, easy to carry	Lightweight	Heavy
Best Use	Low to moderate risk areas, quick stops	Very low risk	High risk, overnight

For everyday security with flexibility and convenience, the ROCKBROS cable lock is the ideal choice.

ROCKBROS 5-Digit Combination Bike Cable Lock – 47-Inch Heavy-Duty Security Lock, Anti-Cut & Waterproof, Keyless Convenience - Bike Lock - 4

Performance and Riding Experience

Imagine locking your bike in seconds without fumbling for keys. The smooth 5-digit dials allow quick code entry, even in gloves. The 47-inch cable easily wraps around thick poles and through both wheels and frame. Its flexibility doesn’t compromise strength – the five inner cables resist bolt cutters and saws. In rainy conditions, the PVC coating stays grippy and the lock mechanism remains smooth. Whether you’re a daily commuter or a weekend rider, this lock gives you confidence.

Ideal Use Cases

Perfect for securing bicycles, scooters, e-bikes, and even lawn equipment. Use it at home, in the office, at the gym, or while running errands. The keyless design is ideal for families sharing a bike – each person can set their own temporary code. Also great for locking accessories like helmets or baskets.

Why Choose ROCKBROS?

We combine durability, convenience, and smart design. Our lock undergoes rigorous testing for cut resistance, weather exposure, and mechanism reliability. Customers love the easy setup and long-lasting performance. Plus, we offer a 1-year warranty and responsive customer support. Choose ROCKBROS for a lock that doesn’t cut corners – only cuts theft attempts.

Safety and Warranty

This lock meets high safety standards for cut resistance. The combination mechanism is tested for thousands of cycles. We recommend registering your lock online for warranty coverage. If you experience any issues, our team will help promptly. Always lock your bike in well-lit areas and secure both wheels and frame for maximum protection.

ROCKBROS 5-Digit Combination Bike Cable Lock – 47-Inch Heavy-Duty Security Lock, Anti-Cut & Waterproof, Keyless Convenience - Bike Lock - 5

Frequently Asked Questions

Q: How do I set the combination?
A: The lock comes with default code 00000. To reset, press the reset button (usually on the side), dial your new code, and release. Refer to the manual for exact steps.

Q: Is this lock suitable for high-theft areas?
A: While it offers strong cut resistance, for high-risk areas we recommend combining with a U-lock or using as a secondary lock. It’s perfect for moderate-risk locations.

Q: Can I use this lock on my e-bike?
A: Yes, the 47-inch length can secure the frame and battery. However, ensure the cable is thick enough for your e-bike’s weight – this lock is designed for standard bicycles.

Q: Is it truly waterproof?
A: Yes, the PVC coating and zinc alloy lock core resist water and rust. The combination dials are also sealed to prevent moisture ingress.

Secure Your Ride Today

Don’t leave your bike vulnerable. Invest in the ROCKBROS 5-Digit Combination Cable Lock – the perfect blend of strength, flexibility, and keyless ease. Click ‘Add to Cart’ and ride with confidence.