Imagine coming back to your bike after a quick ride, only to find it missing. It’s shocking how many bikes get stolen every day, and if you’re like me, you want reliable bike locks that really protect your ride. Losing a bike can ruin your day and your plans, especially if you commute daily or enjoy weekend rides. That’s why having a strong lock is a must-have.
So, I decided to try the ndakter combo bike u lock. This lock promises heavy duty anti-theft protection with the convenience of a 4-digit resettable combination, meaning no keys to lose. It comes with a large U-shaped design and a 5ft steel cable, making it versatile enough for different uses. In this review, I’ll share its security, durability, ease of use, and how well it works with different bikes and accessories.
You’ll get to know its material quality, protective coatings, locking mechanism, and some special design features. Plus, I’ll cover how portable it is and if it’s worth your money.
Rating and Specifications
Security Level: 9.2 | Durability: 9.1 | Ease of Use: 8.0 | Build Quality: 9.0 | Value for Money: 7.9 | Lock Functionality: 9.3 | Portability: 7.2 | Locking Mechanism: 9.5 | Weather Resistance: 8.6 | Versatility: 7.8 | Works Well: 9.3
| Feature | Detail |
|---|---|
| Brand | NDakter |
| Lock Type | Combination Lock |
| Special Features | Combo Resettable, Heavy Duty, Portable |
| Shackle Diameter | 14.6mm hardened steel |
| Shackle Thickness | 0.57 inches |
| Cable Length | 5 feet (1.5 meters) |
| Cable Diameter | 12mm (including PVC coating) |
| Lock Body Material | Zinc alloy |
| Cable Coating | PVC (resists corrosion, rust) |
| Interior Lock Space | 7.5″ x 4.5″ |
| Exterior Lock Size | 9.8″ x 7″ |
| Weight (U-lock) | 1.96 lbs (0.89 kg) |
| Weight (Cable) | 0.86 lbs |
| Total Weight | 2.82 lbs |
| Color | Black |
| Shape | U shape |
Security & Durability
When it comes to protecting your bike, the ndakter Large U Shaped Ebike Lock is built tough. Its 14.6mm hardened steel shackle and thick 0.57-inch shackle thickness make it very resistant to cutting and leverage attacks. The heavy-duty alloy steel used ensures it won’t bend or break easily.
Plus, the zinc alloy lock body adds extra durability, making this lock built to last through daily use. Its 4-digit resettable combination means no worries about losing keys or having to carry extra stuff. The combo lock is easy to set, but be sure to jot down your code or take a photo to avoid forgetting it.
For added protection, the included 5ft steel cable, coated with PVC to resist rust, water, and dust, lets you secure your frame, wheels, or even your bicycle helmet for large heads. This combo offers multi-layered anti-theft security, and the thick protective vinyl coating on the cable prevents scratches to your bike’s paint.
Security Features
The ndakter Large U Shaped Ebike Lock uses hardened steel and a sturdy combination lock system that together make theft very difficult. Its anti-theft technologies such as the thick shackle, solid lock core, and heavy duty anti-theft design work to protect your bike better than ordinary locks. You can also use the cable to secure wheels or helmets, adding peace of mind.
Materials and Construction
The shackle is crafted from hardened high-performance alloy steel with a diameter of 14.6mm and thickness of 0.57 inches for strong resistance. The lock body features a durable zinc alloy build for lasting security. The PVC coating on the cable and lock prevents corrosion from rain and dust while protecting your bike’s finish from scratches, making it ideal for daily cycling shorts rides in all weather.
Ease of Use & Portability
Using the ndakter Heavy Duty Anti-Theft u bike lock is simple. The 4-digit resettable combo lets you lock and unlock quickly without keys, saving time on every ride. It weighs about 2.82 lbs with the cable, light enough to carry but heavy enough to deter thieves. The lock is large enough inside (7.5″ x 4.5″) to secure bulky frames, including bikes like the mongoose legion freestyle bike or cubsala freestyle bmx bike.
Though it doesn’t come with a mounting bracket, its compact U shape design and moderate weight make it easy to carry in a bag or strap to a bike rack. The included 5ft cable is flexible and can be looped through different bike parts or accessories.
| Ease of Use Feature | Detail |
|---|---|
| Lock Type | 4-digit resettable combination |
| Setup | Easy to set, reset disk rotates 90° |
| Portability | Lightweight and portable at 2.82 lbs |
| Size | Large enough for electric & BMX bikes |
| Mounting Bracket | Not included |
Design & Features
The ndakter 4-Digit Resettable Combination Bicycle Lock features a large U-shaped design with a black painted finish that looks sleek and modern. The PVC-coated cable is thick and flexible, ensuring it won’t damage your bike or accessories. It’s designed to be sturdy yet light enough for everyday use.
Inside the box, you get the U lock and the 5ft steel cable, both ready to secure your bike or electric scooter. The combo lock eliminates key hassle, perfect if you prefer convenience over traditional locks. Its anti-theft combo resettable feature allows you to set your own code, giving you control and security without carrying a key.
Specific Aspects
The ndakter combo bike u lock handles weather well thanks to its PVC coating, which protects it from rust, water, and dirt. This makes it a good fit if you ride in rainy or dusty conditions. It works with different bike types, including hybrid and freestyle BMX bikes, giving it broad compatibility.
Noise during rides is minimal since the lock and cable are coated to reduce rattling sounds. Considering its security and durability, this lock offers great value for money, especially if you need protection for expensive bikes or accessories like your bike bell or bike lights.
This ndakter 4-Digit Resettable Combination Bicycle Lock provides solid security and practical convenience. I use it for my daily rides, and it gives me peace of mind wherever I park my bike, whether it’s a city street or a busy bike rack. If you want a dependable lock that is easy to use and strong enough to protect your bike and gear, this one is worth considering.
Included Accessories
The ndakter combo bike u lock comes with a U-shaped lock and a 5ft steel cable. It does not include a mounting bracket, so you’ll need to carry it in your bike bags or by hand. The cable is 12mm thick and 5 feet long, perfect for securing both your wheels and frame. Since this is a combination lock, there are no keys included, so no worries about losing them.
Mounting Bracket
This lock does not have a mounting bracket, but its lightweight and compact design make it easy to carry. Installation of a separate bracket, if you want one, is straightforward and stable with common mounts available in the market.
Cable
The 5ft long cable is made from thick 12mm steel with a protective PVC cover. It’s designed for locking wheels, helmets, or accessories like your bike seats securely along with the frame.
Keys
This lock uses a 4-digit resettable combination, so there are no keys needed. You can set your own code easily and avoid the hassle of carrying keys or losing them.
Who is the Bike Lock For?
If you ride a hybrid bike or own an electric bike, this lock fits your needs perfectly. It’s great for riders who want heavy-duty security without carrying keys. The lock is ideal for people who wear bike shorts and go for quick rides or longer trips but still need reliable protection.
It works well for daily commuters in cities, casual riders, and anyone looking to secure their bike at moderately risky places. You can also use it to lock up a secondary bike or to add extra security alongside your main lock.
Comparison with Other Bike Locks
| Feature | ndakter combo bike u lock | Standard Cable Lock | Heavy-Duty Chain Lock |
|---|---|---|---|
| Lock Type | 4-digit combination, no keys | Key lock or combination | Key lock, heavy chain |
| Shackle/Cable Thickness | 14.6mm shackle, 12mm cable | Usually thinner, less secure | Thick chain links, very secure |
| Weight | 2.82 lbs combined | Light but less secure | Heavy, harder to carry |
| Portability | Easy to carry, no mounting bracket | Usually flexible, easy to carry | Bulky, less portable |
| Durability | Hardened alloy steel, PVC coated cable | Prone to cutting or rust | Very resistant to cutting |
| Security Level | High, good against cutting and leverage | Low to moderate | Very high, best against theft |
| Convenience | Keyless, resettable combo | Keys or simple combo | Keys only |
| Additional Uses | Cable secures wheels, helmets | Usually only frame locking | Frame and wheels secure |
Pros and Cons
Pros:
- Heavy-duty hardened steel shackle resists cutting well.
- 4-digit resettable combo eliminates key hassle.
- Includes 5ft thick cable for extra security.
- PVC coating protects bike paint from scratches.
- Large locking space fits bigger bike frames easily.
Cons:
- No mounting bracket included for frame attachment.
- Slightly heavier than basic cable locks.
FAQ
How do I reset the ndakter combo bike u lock code?
To reset the code, set the current combo to “0000” or your current password. Then, turn the reset disk 90° while the lock is open. Rotate the dials to your new code and return the reset disk to the original position. Make sure to write down or save the new code to avoid being locked out.
Is the ndakter combo bike u lock suitable for electric bikes?
Yes, this lock is perfect for electric bikes thanks to its large internal space and heavy-duty hardened steel construction. The extra 5ft steel cable lets you secure both wheels and frame, which is important for electric bike security.
Does the ndakter 4-Digit Resettable Bicycle Lock come with a mounting bracket?
No, it doesn’t come with a mounting bracket. However, it’s lightweight and compact enough to carry in a bike bag or attach separately with a universal bracket if you want to install one.
How resistant is the ndakter combo bike u lock to weather and rust?
The lock and cable have a thick PVC coating that resists corrosion, rust, water, and dust. This protective layer prolongs the life of the lock and keeps it looking new even after heavy use outdoors.
Can I use the ndakter Large U Shaped bike Lock to secure seats and accessories?
Absolutely. The included 5ft steel cable is flexible and long enough to secure bike seats, wheels, or other accessories like helmets. This adds an extra layer of security beyond just locking the bike frame.
Final Verdict
The ndakter combo bike u lock is a great choice if you want strong security without the hassle of keys. Its heavy-duty 14.6mm hardened steel shackle and thick 5ft cable offer versatile protection for your bike, wheels, and accessories. The 4-digit resettable combination is simple and convenient, especially for riders who prefer not to carry keys.
While it lacks a mounting bracket, its size and weight make it easy to carry in your bike bags or on your bike rack. This lock suits owners of hybrid bikes and other styles who want reliable protection on a budget. It’s tough, weather-resistant, and practical for daily use. If you’re serious about protecting your bike, this lock is a solid investment.
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