4-Digit Combination
Freely set your own code for personalized security.
Bike locks
/ kuhaku(クウハク)
kuhaku(クウハク) Bike locks
These 4-digit combination chain locks provide reliable security with customizable settings. The slim chain design offers a balance of strength and flexibility for daily bicycle use
Our pick
Worth noticing
Slim Chain Profile
The 0.2 in thickness provides flexible protection.
Compact Chain Length
The 23.6 in length is ideal for frame security.
Why this brand is here
Precision Chain Specifications
The Mitsukan series features a dial-type mechanism integrated into a durable chain. These locks prioritize user customization with freely adjustable 4-digit codes and a navy blue finish.
- 4-digit dial type lock
- Freely set combinations
- 0.2 in chain thickness
- 23.6 in total length
- Heavy duty chain links
- Navy blue colorway
Why these models
Current models
This kuhaku(クウハク) set is built around Combination bike locks, Heavy duty chain locks, 4-digit combination locks.
Under the hood
Read the listed parts and finishes — Navy dial bicycle chain lock — rather than a slogan.
Day-to-day use
If you need Combination bike locks, Heavy duty chain locks, 4-digit combination locks, this is the kuhaku(クウハク) set to scan.
Where models split
Start with Navy dial bicycle chain lock and match the listed type to what you need.
Current set
Listed here: 1 lock
Voices
From this set
The 4-digit dial is very smooth and I like that I can set my own code.
The chain is the perfect thickness for a quick stop at the store.
The navy color looks great and the length is just right for my bike frame.
Common questions
kuhaku Questions
How many digits is the combination?
The lock uses a 4-digit dial type system.
What are the chain dimensions?
The chain is 0.2 in thick and 23.6 in long.
Can I change the code?
Yes, the combination can be freely set by the user.
What colors are available?
This specific model comes in a navy finish.