Zefal K-TRAZ M12 Code Lock - Black
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Product Information
Full details
The Zefal K-TRAZ M12 Code Lock is designed for cyclists needing a reliable, high-security chain lock for moderate to high-risk theft areas. Its primary benefit is robust protection against cutting and drilling, complemented by a convenient 4-digit combination system. A potential caveat is its weight, making it less ideal for those prioritizing ultra-lightweight gear.
All features
| Colour | Black |
|---|---|
| Model Part Number | 3420584918015 |
| Brand | Zefal |
Extended Product Information
FAQs
What is the security level of the Zefal K-TRAZ M12 Code Lock?
The Zefal K-TRAZ M12 Code Lock has a security level of 12 out of 20, indicating a high level of protection against theft attempts.
How many possible combinations are there?
The lock features a 4-digit combination system, offering 10,000 unique combinations.
Does this lock come with keys?
No, the Zefal K-TRAZ M12 Code Lock uses a combination system and does not require or include keys.
What is the length and diameter of the cable?
The cable has a length of 80cm and a diameter of 8mm.
Will the lock damage my bike's paintwork?
The chain is encased in a protective fabric to prevent scratches and protect your bike's paintwork.
How much does the lock weigh?
The Zefal K-TRAZ M12 Code Lock weighs 1.25 kg.
Can I change the combination?
Yes, the lock features an adjustable code system, allowing you to set your own 4-digit combination.
Troubleshooting
Combination wheels are stiff or difficult to turn.
Ensure the wheels are clean and free of debris. Try a light application of graphite lubricant designed for locks.
Cannot reset the combination.
Make sure you are correctly holding the reset dial while setting the new code. Ensure the dial clicks into place after setting.
Lock mechanism feels gritty or slow to engage.
Clean the external mechanism and combination wheels. Apply a small amount of dry graphite lubricant.
Fabric casing is damaged.
While the fabric is primarily for protection, significant damage may expose the steel mesh. Consider replacing the lock if the casing is compromised, especially in wet environments.
Pros and Cons
Pros
- High level of security (12/20) for good theft deterrence.
- Keyless convenience with a customizable 4-digit code.
- Durable construction with hardened steel and reinforced mesh.
- Protective fabric sheath prevents frame damage.
- Sufficient length (80cm) for versatile locking.
Cons
- Heavier than many cable locks due to its robust construction (1.25 kg).
- May be bulkier to transport compared to folding locks or lighter cables.
- The fabric casing, while protective, could potentially retain moisture in very wet conditions.
- Security level of 12/20 is good but not the absolute highest available for extreme-risk areas.
Setup, Compatibility & Care
Setting Your Combination:
- Locate the reset dial, usually near the locking mechanism.
- Use a small tool (like a paperclip) to push and hold the reset dial.
- While holding the dial, set your desired 4-digit code using the combination wheels.
- Release the reset dial. Your new combination is now set.
Compatibility:
The K-TRAZ M12 Code Lock is universally compatible with most bicycle frames and stationary objects suitable for locking. Its 80cm length provides flexibility.
Care Instructions:
- Keep the combination wheels clean and free of dirt to ensure smooth operation. Use a dry cloth or a soft brush.
- Avoid exposing the lock to excessive moisture, salt, or harsh chemicals, which can degrade the metal components over time.
- Periodically check the fabric casing for tears or damage.
- If the lock mechanism becomes stiff, a light application of graphite lubricant (not oil-based) can help.