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NDakter Bike Locks Heavy Duty Anti Theft, Bike U Lock with 4FT Chain and Bracket,15mm Shackle Electric Bicycle Lock for Scooter, 3 Keys Motorcycle Wheel Lock for Ebike, Moped, Tricycle

  • Based on 125 reviews
Condition: New
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Availability: 20 left in stock
Fulfilled by Amazon

Arrives Friday, Dec 19
Order within 15 hours and 53 minutes
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Size: SHORT


Features

  • Hhigher Security Chain NDakter's motorcycle u lock heavy duty anti theft, comes with 4FT safty chain, a 0.98in-1.37in diameter mount bracket and 3 keys. No need to memorize the code,comes with 3 keys that can be shared with family and friends, very convenient,and this motorcycle tire lock set is made of alloy steel, 4FT chain is 0.23 inch thick, anti-theft, cut-proof, provided a higher level of security for bicycles.
  • Upgraded & Larged SizeElectric scooter U lock upgraded and enlarged size, more locking space: 6.29in4.12 in, can go through most of the bike frames and poles. Equipped with 47.2 inch length chain, the bike chain is long enough to lock 2/3/4 bikes together around a pole, and solve the anti-theft problem of multiple bikes at the same time. The motorcycle chain has two rectangular steel rings at both ends that can be passed through each other for more locking methods.
  • Heavy Duty Anti Theft The heavy duty bike lock is made of hardened steel, which makes it weigh up to 3.74lb, can provide stronger anti-theft protection. The large U-shaped shank is 0.6 inch thick and the chain is 0.23 inch thick with heat and hydraulic shear resistance. And the chain is made of 3T manganese steel, has a higher security level.
  • Precision locking cylinders & 3 KeysThe lock core is made of zinc alloy,has a precise structure to prevent technical opening. The key is made of brass,very strong and durable. In addition, the key-hole is very smooth, put the key in the top of the keyhole, can be easily opened. Comes with 3 keys to ensure you have a backup at all times.
  • Easy to Use & ScratchThis electric bike d-lock set is very easy to use and comes with a 0.8inch diameter bracket for 0.98in-1.37in diameter tubing, making it easy to install and remove without additional tools. The motorcycle chain is wrapped in nylon protective cover and the U-lock outer protective sleeve is silicone, which can prevent the surface of the bike from being scratched, it can be used outdoors without worrying about the weather, it is suitable for motorcycle, motorbike, ebike , electric scooter, moped, trike, e-tribike, electric- tricycle, 3- wheel-bike, mtb-bike, bmx-bike, mountain road bike.

Brand: NDakter


Special Feature: Scratch-Resistant


Lock Type: U lock


Item dimensions L x W x H: 12.2 x 6.7 x 1.78 inches


Material: Alloy Steel


Brand: ‎NDakter


Special Feature: ‎Scratch-Resistant


Lock Type: ‎U lock


Item dimensions L x W x H: ‎12.2 x 6.7 x 1.78 inches


Material: ‎Alloy Steel


Recommended Uses For Product: ‎securing motorcycles, electric bikes, scooters, mopeds, tricycles, and bicycles to prevent theft; locking multiple bikes together


Style: ‎Motorcycle u lock & black chain


Color: ‎Black


Number of Pieces: ‎1


Included Components: ‎1 x U Lock, 1 x Chain, 3 x keys, 1 x Mounting Bracket


Controller Type: ‎Hand Control


Shape: ‎U Shape


Control Method: ‎Touch


Model Name: ‎BIKE U LOCK


Manufacturer: ‎NDakter


Item Weight: ‎3.72 pounds


Product Dimensions: ‎12.2 x 6.7 x 1.78 inches


Item model number: ‎U LOCK


Size: ‎SHORT


Special Features: ‎Scratch-Resistant


Batteries Included?: ‎No


Batteries Required?: ‎No


Date First Available: April 22, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Dec 19

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.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • This thing is awesome on SO many levels!
Size: Long
First impressions: super high quality, super high customizability, and super easy to use. It has been 4 months now since I got this lock, and I am having little to no issues with it. I like that you have the option to use the chain or not to use the chain. It is a little heavy, but the U-lock fits most locking surfaces. I cannot tell you how many times and how many ways I have dropped and manhandled this thing, yet it still isn't broken. Great stuff. Absolutely worth the money. ... show more
Reviewed in the United States on August 25, 2025 by Beck

  • Nice. Could be a little longer
Size: SHORT
This is a nice lock and chain. My wife recently purchased a $3500 electric trike and we really don't want it stolen. I would like the chain to be a few feet longer in order to have more choices how to secure the trike. She recently took the trike to a store. There was nothing to lock the trike to. What she did was lock the basket on the front to the front tire. At least with that the front tire won't spin. If the cable was longer she could lock two of the three tires together to make it more difficult to push away. Overall I'm very happy the the lock and chain. It appears well built and I especially like the cover over the chain. It helps prevent scratching of the paint. I would purchase again. ... show more
Reviewed in the United States on April 23, 2025 by KJ

  • Best lock out there!
Size: SHORT
Love this lock! The big u bolt fits around any part of my bike. And the chain is solid too. I might get another one to use on other projects.
Reviewed in the United States on August 19, 2025 by Michael Humphreys

  • Great lock
Size: Long
Great lock Great lock, sturdy, well made, does a wonderful job
Reviewed in the United States on September 6, 2025 by Richard

  • Great chain and sleeve, U lock is pretty good for it's price too
Size: SHORT
Pretty good for it's price, and comes with many extra keys
Reviewed in the United States on September 7, 2025 by Draven Holmberg

  • Deters a would be theif
Size: Long
Very heavy and the studs that hold the clothe cover over the chain came off. It dies its job and I don't think my ebike will get stolen again!!
Reviewed in the United States on October 5, 2025 by Laura B

  • The most important thing is the value good price.
Size: SHORT
Is made of strong material.
Reviewed in the United States on August 5, 2025 by emelin pagan

  • Not well welded
Size: Long
The lock it’s okay regardless of this, the edges of the chain are not well welded as you can see. I will return it immediately
Reviewed in the United States on September 30, 2025 by Freddy p Freddy p

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