Zefal K-Traz U13 Lock - Black

The Zefal K-Traz U13 Lock has a security level rating of 13, which is suitable for areas with a moderate risk of theft.

The lock features a hardened steel shackle and a strong, flexible twisted steel cable covered in a tough vinyl material.

Three keys are included with the Zefal K-Traz U13 Lock.

Yes, the included mounting bracket is adjustable and designed to fit downtubes with diameters ranging from 20mm to 80mm.

The cable length is 120cm (approximately 47 inches).

Wipe the lock with a damp cloth. Periodically apply a dry lubricant to the keyhole and mechanism to ensure smooth operation and prevent rust.

While robust, the K-Traz U13 is rated for moderate risk. For high-risk areas, it is recommended to use a higher security rated lock or combine this lock with another security device.

Ensure the shackle is fully aligned with the lock body. Try inserting and removing the key a few times. Apply a dry lubricant to the keyhole and mechanism.

Dirt or debris may be in the lock cylinder. Clean the exterior and apply a dry lubricant. Avoid using oil-based lubricants which can attract dirt.

Re-adjust the bracket on the downtube, ensuring all adjustable parts are tightened securely. Check for any obstructions on the frame that might prevent a snug fit.

Inspect the cable regularly for fraying or damage. If significant damage is visible, the lock's security may be compromised, and it should be replaced.