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ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock
ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock is a $14.99 portable 4-digit combo lock with a 12mm steel cable and zinc alloy head. Weighing just 130g, it's ideal for securing kids' bikes or making quick urban stops where lightweight, keyless convenience matters most.
$14.99
● In stock
Buy at Yiwu Rock Sports Goods →Price and availability may change. Click to see current details on Yiwu Rock Sports Goods.
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Key features
- Resettable 4-digit combo with 10,000 code options
- Zinc alloy lock cylinder for anti-break strength
- 12mm anti-cut steel cable with weather-resistant jacket
- Ultra-lightweight at only 130g
- Compact 95mm coil fits in pockets or school bags
- Easy 3-step password setup and reset
- Smooth operation in rain and humidity
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Pros
- +Extremely lightweight and portable
- +No keys to lose—convenient combo design
- +Easy for children to use independently
- +Affordable at $14.99
- +Durable zinc alloy resists corrosion
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Cons
- −Not suitable for high-theft areas
- −Cable can be cut with bolt cutters
- −Limited length for larger bikes
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About ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock
What is ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock?
The ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock is a compact, keyless security solution designed for everyday cyclists and children. Priced at $14.99, this 270mm-long cable lock weighs only 130g, making it easy to carry in a pocket or backpack. Its 12mm-diameter anti-cut steel cable is jacketed for weather resistance, while the zinc alloy locking head provides durability and corrosion resistance. Designed for convenience, it eliminates the need for keys with a resettable 4-digit combination offering 10,000 possible codes.
Key features
- Resettable 4-Digit Combo — Set your own 4-digit code with 10,000 possible combinations in just 3 steps.
- Zinc Alloy Lock Cylinder — Resists corrosion and offers strong anti-break performance.
- 12mm Anti-Cut Steel Cable — Reinforced core with weather-resistant outer jacket for durability.
- Ultra-Lightweight Design — Weighs only 130g, reducing carry burden on rides.
- Compact 95mm Coil — Easily fits in pockets, school bags, or jersey pockets.
- Weather-Resistant Operation — Functions smoothly in rain and high humidity.
- Child-Friendly Mechanism — Simple to lock and unlock, ideal for young riders.
Who is ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock for?
This lock is best suited for children, casual urban riders, and commuters making short stops. It’s perfect for those who want a lightweight, no-key solution for low-risk environments like school grounds, parks, or coffee shop stops. While not designed for high-theft areas, it serves as a practical deterrent for opportunistic theft.
How does ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock compare?
Compared to heavy U-locks or chain locks, this cable lock offers far greater portability but less cutting resistance. It’s ideal as a secondary lock or for quick stops, whereas standard polypropylene or thinner cable locks lack the 12mm thickness and zinc alloy head strength. For children and light users, it outperforms bulkier alternatives in ease of use and carry convenience.
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Best use cases
- →Securing kids' bikes at school
- →Quick coffee shop stops
- →Low-risk urban parking
- →Backup lock for longer rides
- →Lightweight carry for casual cyclists
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Is ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock right for you?
Buy this lock if you need a lightweight, keyless option for children or short urban stops. Ideal for beginners and casual riders. Not for high-theft zones. Consider a U-lock or chain for primary security. This $14.99 cable is best as a secondary or convenience lock.
How it compares: Lighter and more portable than U-locks or chains, but less secure. More durable than thin cable locks. Best for low-risk use, not as a primary lock. Offers better weather resistance and ease of use than basic combination cables.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What is the diameter and length of the ROCKBROS bike lock cable?
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The cable is 12mm in diameter and approximately 270mm in length, with a coiled reach of about 95mm. This compact size makes it easy to carry in pockets or bags while providing enough length for securing a bike frame to a post.
Does the lock resist weather and rust?
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Yes, the zinc alloy lock cylinder resists corrosion, and the steel cable has a weather-resistant outer jacket. It operates smoothly in rain and high humidity, making it reliable for daily use in varied conditions.
How do you set or reset the combination?
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Setting the code takes 3 simple steps: pull the shackle, rotate the dials to your desired 4-digit code, then push the shackle back in. To reset, repeat the process with a new combination. No tools required.
Is this lock suitable for adult bikes?
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It can secure adult bikes in low-risk areas, but due to its 12mm cable thickness and compact size, it's best used as a secondary lock or for quick stops. Not recommended as the sole lock in high-theft locations.
Can children use this bike lock easily?
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Yes, the lightweight design and simple twist-and-lock mechanism make it easy for children to operate independently. It’s small enough to fit in a school bag or pocket, ideal for young riders going to school or parks.
How much does ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock cost?
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ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock is $14.99 at Yiwu Rock Sports Goods. Prices may change — click through to Yiwu Rock Sports Goods for the latest.
Is ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock in stock at Yiwu Rock Sports Goods?
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Yes, ROCKBROS Lightweight Bike Lock Cable 12MM Anti-Theft Combination Lock is currently in stock at Yiwu Rock Sports Goods.
Are there coupon codes for Yiwu Rock Sports Goods?
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Yes — Love Those Deals currently tracks 2 active Yiwu Rock Sports Goods coupons. See the coupons section on this page to copy a code before checkout.
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Specifications
- SKU
- A600TOR
Last updated May 14, 2026