Quick Summary
The NDakter ND-1006-BK is a black bicycle chain lock with a resettable 5-digit combination. Its alloy-steel chain has a polypropylene fabric cover, and the lock cylinder is made of zinc alloy. Confirm the selected version’s length and whether the chain can reach the bicycle and a suitable locking point.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Model and color | ND-1006-BK in black. |
| Locking mechanism | Resettable 5-digit combination lock; the listed default code is 00000. Keep track of the combination you set. |
| Chain | Alloy steel, listed as 0.24 inch thick. |
| Lock cylinder | Zinc alloy. |
| Cover | Polypropylene fabric covers the chain. |
| Lock-head diameter | About 1.25 inches (3.2 cm); compare this with any opening the lock must pass through. |
| Weight and quantity | About 1.45 pounds; one lock. |
What to Compare Before Buying
Consider the distance between the bicycle and the point where you plan to secure it. The chain needs enough reach for that route, while the lock head must fit through any wheel or frame opening you intend to use.
A combination lock avoids carrying a key, but you will need to remember the code. A lock does not eliminate theft risk; the listing advises against leaving a bicycle unattended for long, particularly in high-crime areas.
Compatibility, Size and Fit
The listing describes multiple length options, so confirm the exact length of the selected version. Check the lock-head clearance against your bicycle or scooter before relying on a wheel opening. Openings smaller than about 1.25 inches (3.2 cm) may not accommodate the lock head; for a scooter with a small wheel opening, the listing suggests wrapping the chain around it instead of threading it through the opening.
Before You Decide
Confirm the chosen chain length, the route available for securing the bicycle, and whether the lock head fits the intended opening. Keep the combination available to you and follow the product instructions for setting it.








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