Dual Entry Systems
Upgrade models offer both 4-digit combinations and physical keys.
Bike locks
/ NDakter
NDakter Bike locks
NDakter specializes in heavy-duty anti-theft chains and U-locks designed for high-capacity security. These resettable combination systems protect electric bikes, scooters, and property gates
Combination
Heavy duty
Heavy duty chain locks
Electric scooter locks
6ft long
4-digit combination locks
5ft long
For electric bikes
5-digit combination locks
Cheap
Flexible cable locks
Keyed
Motorcycle grade locks
12mm thick
High security
4ft long
U-locks with security cables
Hardened steel locks
Gray
10mm thick
3ft long
Lightweight
Our pick
Worth noticing
Extended Chain Lengths
Security chains are available in lengths up to 6 feet.
Large U-Lock Format
U-shaped locks are sized for electric bikes and motorcycles.
Why this brand is here
Heavy Duty Protection Standards
The catalog emphasizes 12mm to 18mm heavy-duty hardware with resettable 4 or 5-digit combinations. These locks are built for high-security applications including ebikes, motorcycles, and fences.
- 18mm bicycle combo U-locks
- 5-digit combination chain locks
- Resettable security codes
- 5 foot steel extension cables
- Dual-way unlocking systems
- Heavy duty anti-theft chains
Why these models
The lineup
NDakter locks in this range cover Combination bike locks, Heavy duty bike locks, Electric scooter locks, Heavy duty chain locks.
Build details
NDakter keeps the build language in the product names: Heavy duty four foot combination chain lock; Resettable six foot scooter combination chain; Hardened steel combination U-lock with steel cable.
Made to use
Combination bike locks, Heavy duty bike locks, Electric scooter locks, Heavy duty chain locks is the split that matters in this NDakter range.
Where models split
Start with Heavy duty four foot combination chain lock; Resettable six foot scooter combination chain; Hardened steel combination U-lock with steel cable and match the listed type to what you need.
On this hub
NDakter in this catalog
Heavy duty chain locks
8 of 12 listed
Flexible cable locks
4 of 12 listed
- 13 of 17 list weight · around 0.72 kg
- 17 of 17 list length · around 14.5 cm
- 17 of 17 list across · around 15.2 cm
- 17 of 17 list height · around 4 cm
Current set
Listed here: 17 locks
Also in Combination Heavy duty
Voices
From this set
The 18mm U-lock is perfect for my electric scooter and feels very heavy duty.
I use the 6 foot chain lock to secure my gate and it works great.
The dual-unlocking feature with keys and combination is very convenient for my ebike.
Close labels
Brands like NDakter
8.1
Kryptonite
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7.8
ABUS
same Electric scooter locks — 15% higher weight
Sportneer
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8.5
Titanker
same Electric scooter locks — 35% less weight
8.5
ROCKBROS
same Electric scooter locks — 72% less weight
8.8
Master Lock
same Flexible cable locks — 28% less weight
Common questions
NDakter Questions
How thick are the NDakter U-locks?
The heavy-duty combo U-locks feature shackles up to 18mm thick.
What is the longest chain lock available?
NDakter offers security chain locks in lengths up to 6 feet.
Do any models offer both keys and combinations?
Yes, the upgrade bike chain lock features both a 4-digit combination and keys.
Are these locks suitable for outdoor gates?
Yes, the heavy-duty chain locks are designed for doors, gates, and fences.