Imagine coming back to your bike only to find it missing, that sinking feeling many bike owners dread. Bike theft is a serious problem, with thousands of bikes stolen daily worldwide. Having a reliable lock is not just smart, it’s necessary to keep your bike safe. When it comes to protecting your BMX bike or even your simple city ride, you need a lock you can trust.
That’s why I decided to try the KEYSTP High Security Bike Lock, a 5-digit resettable combination lock designed to offer serious protection. This review covers its security features, durability, ease of use, and whether it’s a good fit for different types of bikes, including those that use bike racks or rely on bike bell and bike lights for safety. I’ll share my experience and suggest why you might want to choose this lock for your own ride.

Rating and Specifications
Security Level: 9.1 | Durability: 9.3 | Ease of Use: 7.9 | Build Quality: 9.4 | Value for Money: 7.6 | Lock Functionality: 9.1 | Portability: 7.1 | Locking Mechanism: 9.3 | Weather Resistance: 9.2 | Versatility: 7.3 | Works Well: 9.5
Here’s a quick overview of the KEYSTP Bicycle Lock Anti-Theft features:
Feature | Detail |
---|---|
Lock Type | 5-digit resettable combination |
Cable Length | 4 feet (1200 mm) |
Cable Diameter | 1/2 inch (12mm) |
Material | Braided steel with PVC coating |
Weight | Lightweight and portable |
Included Accessories | Mounting bracket |
Waterproof | Yes |
Color | Black |
Security & Durability

Security Features
When it comes to anti-theft technology, the KEYSTP Bike Lock Cable impresses with its 5-digit resettable combination, giving you more than 100,000 possible combinations. This makes it much safer than typical 4-digit locks. The keyless design means you won’t have to worry about losing keys. Thanks to the German locksmith craftsmanship, the lock avoids getting stuck a common frustration with combination locks.
How Secure Is It?

The cable is made of high-strength braided steel that can resist 2.4KN tension and 7KN shear forces, meaning it’s tough to cut through. The cable’s diameter is 1/2 inch (12mm), providing an extra layer of protection. This lock is anti-theft and built for real-world use where thieves might try cutting or breaking in.
Built to Last? Durability & Construction
The materials here include alloy steel with a thick PVC coating that protects against scratches and corrosion. The waterproof design keeps the lock safe from rain and moisture, preventing rust and damage over time. This makes it perfect for everyday use, rain or shine.
Materials and Construction

The KEYSTP High Security Bike Lock features a braided steel cable that is flexible yet incredibly strong. The cable length is 4 feet (1200mm), which lets you secure your bike to many objects, including bike racks. The lock body is compact and sturdy, designed with a polyvinyl chloride (PVC) coating for protection and longevity.
Theft Deterrence and Resistance to Attack
Thanks to its sturdy braided steel and strong locking mechanism, this lock is a strong deterrent against thieves. Its combination lock prevents lock picking, and the tough cable makes cutting attempts difficult. While no lock is 100% theft-proof, the KEYSTP Bicycle Lock cable raises the bar significantly.
Ease of Use & Portability

Locking and unlocking the KEYSTP Bicycle Lock Cable is straightforward with the jog dial controller. Setting your own password is easy, and the default code is 00000 for initial use. The included mounting bracket allows you to carry the lock securely on your bike frame without hassle. Installation is quick with a release button that lets you remove it whenever needed.
Feature | Detail |
---|---|
Locking Method | 5-digit combination with jog dial |
Mounting Bracket | Quick-install, stable, easy to use |
Portability | Self-coiling, compact design |
Weight | Lightweight for daily carry |
Size | Fits easily on most bike frames |
The KEYSTP 5-Digit Resettable Bicycle lock cable works well with a folding bike because of its compact, portable nature. If you ride a cruiser bike or BMX bike, you’ll appreciate how easy it is to carry and install. Its design ensures it won’t rattle like some locks when you ride with it.
Design & Features

The KEYSTP High Security Bike Lock is sleek and practical. It comes in a black color with a rounded cable shape that looks modern and doesn’t damage your bike’s finish thanks to the PVC coating. What’s in the box? You get the lock itself plus a mounting bracket, so you don’t have to buy accessories separately.
Bonus features include its waterproof design and the ability to reset the combination whenever you want. It’s simple to use, yet highly effective. The lock doesn’t come with keys because it uses a 5-digit jog dial instead, meaning no worries about losing keys.
Specific Aspects

The KEYSTP High Security Bike Lock is designed for all-weather protection, meaning it’s resistant to rain and dust. It fits perfectly on bikes with various frame types, making it great for your BMX bike, folding bike. Noise from rattling is minimal due to the tight PVC coating and mounting bracket.
Aspect | Detail |
---|---|
Weather Resistance | Waterproof with PVC coating |
Compatibility | Fits many bike frames |
Noise Level | Low, no rattling |
Value for Money | Affordable with high security |
Whether your bike uses bike racks or relies on bike bell and bike lights for safety, securing it with the KEYSTP Bicycle Lock cable is a smart choice.
I’ve found this lock perfect for everyday use on my bikes. It’s simple to use, sturdy, and the resettable combination adds flexibility. If you want solid security without carrying keys, this KEYSTP 5-Digit Resettable bike lock is definitely worth trying.
Included Accessories

- Mounting Bracket: The KEYSTP High Security Bike Lock comes with a sturdy, compact mounting bracket. It features a quick-release button that makes installation easy and removal convenient. The bracket holds the lock firmly in place, ensuring stability even on bumpy rides, and fits most bike frames securely.
- Cable: The braided steel cable is 4 feet (1200mm) long and 1/2 inch (12mm) thick, designed to secure wheels, frames, or accessories like bike racks.
- Keys: This lock uses a keyless 5-digit resettable combination, so no keys are included, eliminating the risk of losing them.
Who is the Bike Lock For?

The KEYSTP High Security Bike Lock is ideal for casual city cyclists who need reliable security without fussing over keys. It suits budget-conscious users wanting strong protection with flexibility, as well as e-bike owners who need a portable lock to secure their bike during stops. Its lightweight design makes it perfect for commuters and students who carry their bikes regularly.
This 5-Digit Resettable bike lock cable excels during quick stops in low-to-moderate risk areas and works well as a secondary lock for extra security. It’s also a good option for securing a second bike or accessories like helmets or bike racks.
Comparison with Other Bike Locks

Feature | KEYSTP High Security Bike Lock | Traditional U-Lock | Chain Lock |
---|---|---|---|
Security Level | High, 5-digit resettable combination | Very high, key-operated | High, heavy-duty steel |
Portability | Lightweight, self-coiling cable | Heavy, bulky | Very heavy, less portable |
Ease of Use | Easy to reset and use, no keys | Simple but need keys | Needs keys, harder to handle |
Weather Resistance | Waterproof PVC coating | Often rust-resistant coating | Depends on coating, prone to rust |
Versatility | Flexible cable secures wheels & frame | Limited locking options | Flexible but cumbersome |
Installation | Includes mounting bracket | No mounting bracket | No mounting bracket |
Price | Affordable | Mid to high | Varies, usually higher |
Best For | Urban riders, commuters, casual users | High-risk areas, professional | Heavy security, long-term locking |
Pros and Cons
Pros:
- Easy to set and reset combination code.
- Strong braided steel cable resists cutting.
- Includes quick-release mounting bracket.
- Waterproof design protects against rust.
- Lightweight and portable for daily carry.
Cons:
- Not suitable for high-crime areas.
- Cable length may be short for some users.
FAQ
How do I reset the combination on KEYSTP lock?
To reset the combination on the KEYSTP 5-Digit Resettable bike lock cable, set the lock to the current code (default 00000), press and hold the reset button, turn the dials to your desired code, then release the reset button. The new code will be set. Always remember your new combination to avoid lockout.
Is the KEYSTP lock waterproof for outdoor use?
Yes, the KEYSTP High Security Bike Lock has a thick PVC coating that protects it from water, rain, and corrosion. This makes it suitable for outdoor use in various weather conditions, including rainy days, without the risk of rust damaging the lock.
Can this lock secure a BMX bike or folding bike?
Absolutely. The lock’s 4-foot braided steel cable is flexible enough to secure your BMX bike or folding bike to bike racks, posts, or other stationary objects, giving you versatile protection wherever you ride.
Does the KEYSTP lock come with keys?
No, this lock uses a 5-digit resettable combination code, so no keys are included or needed. This keyless design prevents issues like lost keys or carrying extra accessories.
What is the maximum cable length of the KEYSTP lock?
The KEYSTP 5-Digit Resettable Bicycle lock cable has a cable length of 4 feet (1200mm), which provides enough length to secure your bike frame and wheels to many types of stationary objects including bike racks.
Final Verdict
The KEYSTP High Security Bike Lock offers an excellent balance of security, convenience, and portability. Its 5-digit resettable combination provides over 100,000 code possibilities, making it safer than traditional 4-digit locks.
The braided steel cable with PVC coating resists cutting, corrosion, and weather damage, perfect for daily urban use. The included mounting bracket adds convenience and stability, allowing you to carry the lock easily on your bike frame.
While the 4-foot cable may not suit every locking scenario and it’s not recommended for high-crime areas, this lock is ideal for casual cyclists, commuters, and budget-conscious users. If you want a secure, easy-to-use lock for your bike, the KEYSTP High Security Bike Lock is a smart, affordable choice.
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