Quick Summary
The NDakter bike chain lock is a 3.2 ft black chain lock with two ways to unlock it: a resettable 4-digit combination or either of the two included keys. Its 6 mm alloy steel chain has a PP fabric cover, and the lock body is zinc alloy. Check the chain’s reach and the lock head’s clearance against your intended setup.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Lock type and length | Chain lock, 3.2 ft long. Consider the path around the bike and anchor point when checking reach. |
| Chain | 6 mm alloy steel. Thickness alone does not establish a security rating. |
| Lock body | Zinc alloy, with a 1.3 in lock head. |
| Unlocking | Resettable 4-digit combination or key; two keys are specified. |
| Cover | PP fabric cover, intended to help limit frame scratches and chain rattling. |
| Weight and color | About 1.59 lb; black. |
| Quantity | One lock. |
What to Compare Before Buying
- Reach: Allow for the chain’s route around the bike and anchor, not just the straight-line distance. Other listed lengths are 1.6 ft, 2.3 ft, and 4.28 ft; this version is 3.2 ft.
- Lock-head clearance: The head is 1.3 in wide. Check whether it passes through the openings you intend to use, including wheel spokes if relevant.
- Security needs: The product listing uses terms such as “high security” and “cut-resistant,” but provides no security rating or test results. Treat those terms as claims, not as a guarantee against theft.
Compatibility, Size and Fit
The listing mentions bikes, e-bikes, scooters, motorcycles, grills, and ladders, but that broad application list does not establish fit for every item or anchor. Confirm that the 3.2 ft chain reaches your intended anchor and that the lock head fits through the openings on your specific setup.
What Is Included
The specified configuration is one black chain lock and two keys. The combination is an additional unlocking method; no other accessories are specified.
Setup and Correct Use
The combination is described as resettable. The stated sequence is to open the lock with the default code 0000, turn the knob forward 90 degrees, set the new digits, return the knob to its default position, then dial the new code and insert the lock tongue. Follow the instructions provided with the lock if its mechanism or sequence differs, and keep a secure record of the code you set.
Before You Decide
Check that 3.2 ft provides enough reach, the 1.3 in lock head fits the openings you will use, and a combination plus two keys suits your preference. The stated chain thickness does not establish how well the lock will resist theft.
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