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NDakter

NDakter Bike Lock, 5 Digit Combination Heavy Duty Anti Theft Bicycle Chain Lock, 2.62/3.2/4.27/5/6Ft Long, High Security Resettable, Suitable for Bike, Scooter, Door, Gate, Fence-4/6mm Thick

Based on 7,992 reviews
Condition: New
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$17.98
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Availability: 20 left in stock
Fulfilled by Amazon
Arrives Nov 3 – Nov 4
Order within 19 hours and 43 minutes

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At a glance

Condition
New
Color
Purple
Size
4.27 Ft Long, 0.24 in Thick
Dimensions
5.5 x 6 x 1.65 in
Material
Alloy Steel
Special Feature
Anti Theft,Heavy Duty,Resettable
Lock Type
Combination Lock
In the box
Bike Chain Lock

Features 5

  • SECURE & RESETTABLE: 5-digit resettable combination bike chain lock, much safer than other 4 digit locks. Easy to set your own personalized number combination.
  • STURDY & DURABLE: It's hard to break through as the lock cylinder of the bike lock is made of zinc alloy. The bicycle chain lock is made of 0.24 inch alloy steel which is drill-resistant and anti-tech unlocking..Safety tip: Please do not leave your bike out of your sight for too long, especially in high crime areas, no bike lock is 100% safe.
  • SCRATCH-PROOF FABRIC PROTECTION: The bicycle chain lock is wrapped by a high quality polypropylene fabric, which is scratch-proof and wear-resistant, anti-hot and anti-icing hands; it protects the chain and prevents it scratching your bicycle frame, long lifespan.
  • CONVENIENT TO USE: Combination locking mechanism provide keyless convenience and set your own password by easy steps. With keyless convenience lock, you dont worry about lost the key and forget to carry it.Code design saves you from the hassle of carrying keys. The code is resettable - there are 10,000 combinations you can set, which makes the chances to crack the code only 1/10,0000. The default code is 00000.

Description

At NDakter, we believe that security is the foundation of every great ride. Our expertly crafted locks and bike accessories are designed to keep your gear safe, so you can focus on enjoying the journey. Whether you're commuting through the city, exploring new trails, or cycling for sport, we provide reliable protection that moves with you. Ride with confidence—NDakter has you covered. (2L) Bike Bag Ebike 6FT Cable U Lock Moped 4FT Chain U Lock Moped 4FT Chain U Lock Combo U Lock+5ft Cable Bike Rack Bag Bike Lock Cable

Specs 23

Brand NDakter
Special Feature Anti Theft,Heavy Duty,Resettable
Lock Type Combination Lock
Item dimensions L x W x H 5.5 x 6 x 1.65 inches
Material Alloy Steel
Brand Name NDakter
Recommended Uses For Product Securing bicycles, motorcycles, scooters, skateboards, grills, ladders, doors, and lawnmowers
Number of Pieces 1

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Nov 3 – Nov 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

Solid, Reliable, and Easy to Use!
Color: Black Size: 2.62 ft Long, 0.16 in Thick
I’ve been using the NDakter Bike Chain Lock for a few weeks now, and I’m extremely satisfied with the quality and peace of mind it provides. The chain is thick, heavy-duty, and clearly built to deter theft — it feels much more robust than the cheap cable locks I’ve used in the past. The 5-digit combination is a big plus — more secure than the typical 4-digit ones, and easy to set/reset. The mechanism works smoothly without sticking, and it gives a satisfying “click” when it locks into place. At 3.2 feet, the length is perfect for locking my frame and rear wheel to a bike rack or post, and the protective fabric sleeve keeps the chain from scratching my bike’s paint. I've used it in both dry and rainy weather, and it's held up great without rust or stiffness. For the price, you’re getting a tough, well-made lock that’s easy to carry in a bag or wrap around the seat post. Whether you're commuting or just parking your bike around town, this is an excellent choice. Would definitely buy again and recommend to friends! ... show more
Reviewed in the United States on October 7, 2025 by felipefranco
The bike lock you wish you had
Color: Black Size: 4.27 ft Long, 0.24 in Thick
The media could not be loaded. I love to cycle but I am always paranoid that I can't leave my bike unattended even if it's to make a quick stop to go to the bathroom. I have been shopping for a bike lock for quite some time and feel like after a lot of research I have found the best one. The NDakter Bike Chain Lock is not only one that is super easy to program your code but also one that feels very sturdy which features an external cloth covering which goes over the metal chain to make it harder for someone to try to cut it off and run off with your bike. The other things I really like about this product is that it comes in many different colors and 2 different lenth formats. There is a shorter one and I went with the larger one thinking ahead for if I am biking with my girlfriend or someone else we would be able to lock both bikes onto a bike stand and protect both of them from theft. The color varieties are almost endless, I went with the black to make it simple but I could have easily gone with one of the blues or reds. The last thing that I wanted to mention is that there is one drawback for some folks who are looking for a very lightweight bike lock. This is not the lightest bike lock and wanted to make a point to inform everyone, especially to those road cyclists like myself who are always trying to shed grams to be able to go faster on the bike. The weight component doesn't bother me especially because I know that it is because it is made really well and will do the job that I am wanting it do which is to protect my bike from theft. I highly recommend this product for those looking for a durable and easy to use and program bike lock. ... show more
Reviewed in the United States on August 3, 2023 by Mark B
Descent lock with an easily settable 5 digit combination and great customer service if needed.
Color: Black Size: 3.2 ft Long, 0.24 in Thick
I am updating this review and switching it to 5-stars. Their customer service responded quickly to an issue I had with the lock and even sent out a replacement with next day delivery. The new lock works great. These are very easy to set the personalized combination. This comes with a color instruction sheet packaged with the lock inside the box and the instructions are also printed on the bottom exterior of the box. The chain is wrapped in a nice flexible nylon casing that protects my bike frame from being scratched by the chain. I like the 5 digit combination as it make this lock more secure over the 4 digits other locks on the market. As I mentioned, setting the combination is very easy. The biggest plus for this lock beyond what it is intended for, is their customer service. ... show more
Reviewed in the United States on September 6, 2025 by Rob in New Jersey
Nice lock & chain
Color: Blue Size: 3.2 ft Long, 0.24 in Thick
So far, I really like it -easy to set combination, and appears to be well made.
Reviewed in the United States on April 15, 2026 by Douglas D. McCracken
Great quality for the price
Color: Black Size: 3.2 ft Long, 0.24 in Thick
I picked up this 5-digit bike chain lock for my son’s bike, which we keep in a storage closet, and so far it’s been a great choice. The lock feels heavy-duty and well-made, giving me confidence that it will hold up against tampering. The chain itself has a nice weight to it, and the 5-digit combo adds an extra layer of security compared to the standard 4-digit locks. The only reason I’m giving it 4 stars instead of 5 is that it’s a bit bulky, which makes it less convenient to carry around if you were using it daily. But for our needs, keeping a bike secured in storage, it works perfectly and gives me peace of mind ... show more
Reviewed in the United States on August 16, 2025 by Tori V
Good length and feels durable
Color: Black Size: 4.27 ft Long, 0.24 in Thick
I’ve been using this bike chain lock for a few weeks now and it works as expected. The chain feels solid and the lock mechanism is easy to use once you get familiar with it. It’s long enough to secure a bike to a rack without much trouble, and the fabric cover helps prevent scratches on the frame. The combination is simple to set, but it might take a minute to understand the instructions at first. Overall, it does the job well for everyday use and gives me a reasonable sense of security. It’s not super lightweight, but that’s expected for this type of lock. ... show more
Reviewed in the United States on April 14, 2026 by fanfan217
Great quality bike lock.
Color: Black Size: 4.27 ft Long, 0.24 in Thick
This bike chain is great. Well made. Quality material surrounding chain. Easy to set the combination lock. The covering makes it quite on the bike. I bought it instead of cable locks I have had before. They are easier for crooks to cut through.
Reviewed in the United States on January 29, 2026 by Mary Forbes
Medium duty but Vgood
Color: Black Size: 5 ft Long, 0.24 in Thick
Solid buy
Reviewed in the United States on January 29, 2026 by plg
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