Trelock U4 Mini Lock - Black - Sold Secure Bronze

The Trelock U4 Mini is a small but robust U-lock that delivers strong protection without weighing ...

Best current price£18.99from Team Cycles

One Offer

1 offer from £18.99

View price history by clicking the chart icon.

Team CyclesTrelock Unisex Black U4 Mini 150Mm Bronze Sold Secure Lock
£4.99 delivery
£18.99
Visit shop

Product Information

Full details

The Trelock U4 Mini Lock is designed for cyclists seeking a compact yet robust security solution for everyday use. Its primary benefit is offering strong protection against theft without adding significant weight or bulk to your ride, though its Sold Secure Bronze rating suggests it's best suited for lower-risk environments. This lock features a hardened steel shackle, a high-security disc cylinder, and a protective vinyl coating to safeguard your bike's frame.

All features

ColourBlack
Model Part NumberGT005193
BrandTrelock

Extended Product Information

FAQs

What does 'Sold Secure Bronze' mean for this lock?

Sold Secure Bronze is a security rating indicating a good level of resistance against common tools and opportunistic theft. It is suitable for lower-risk areas or for use in conjunction with another lock.

How do I use the key replacement service?

You will typically need to register your lock and key number upon purchase. In case of loss, contact Trelock customer support with your registered details to arrange for replacement keys.

Can I lock my bike frame and wheel together with this lock?

The 152mm shackle length is designed to lock the frame to a stationary object. Whether it can also capture a wheel depends on the bike's wheel size and frame design.

Is this lock suitable for high-crime areas?

While robust, the Sold Secure Bronze rating suggests it is best suited for lower-risk environments or for use as a secondary lock. For high-crime areas, a lock with a higher security rating (e.g., Gold or Diamond) is generally recommended.

How heavy is the Trelock U4 Mini Lock?

The lock is designed to be lightweight for easy transport. Specific weight details can be found in the product specifications, but it's considerably lighter than larger, high-security U-locks.

Can the mounting bracket fit any bike frame?

The universal mounting bracket is designed to fit most standard bike frames. Compatibility may vary depending on the frame's tube shape and diameter, and the presence of mounting points.

Troubleshooting

Lock is stiff or difficult to open/close.

Use a dry lubricant specifically designed for locks, such as graphite spray, to lubricate the cylinder. Ensure no debris is obstructing the keyhole.

Key will not insert or turn in the lock.

Check that the correct key is being used and that it is fully inserted. Ensure the shackle is fully closed and aligned. Try wiggling the key gently.

Mounting bracket feels loose on the bike.

Re-tighten the screws securing the bracket to the frame. If using frame bolts, ensure they are appropriate for your bike's threading and tightness.

Vinyl coating is peeling or damaged.

While the coating can be repaired, if significant damage occurs, it may compromise its protective function. Avoid harsh cleaning agents. If minor damage occurs, consider using clear protective tape as a temporary measure.

Pros and Cons

Pros

  • Compact and lightweight design for easy portability.
  • Robust construction with hardened steel for good security.
  • Protective coating prevents damage to bike frame.
  • High-security disc cylinder offers resistance to picking and drilling.
  • Includes a useful mounting bracket for transport.

Cons

  • Sold Secure Bronze rating indicates suitability for lower-risk environments; may not be sufficient for high-crime areas.
  • 152mm shackle length might be restrictive for locking to larger objects.
  • 14mm diameter, while substantial, is not the thickest available on the market.

Setup, Compatibility & Care

Setup: The Trelock U4 Mini Lock comes ready for immediate use. The universal mounting bracket can be attached to your bicycle frame, typically near the water bottle bosses, using screws that may be included or require existing frame mounts. Ensure the bracket is securely fastened before riding.

Compatibility: This U-lock is compatible with most standard bicycle frames and locking points. The 152mm shackle length allows it to secure a frame to various posts, racks, or other fixed objects. Its compact nature makes it suitable for nearly any bicycle type, from road bikes to mountain bikes.

Care: To maintain the lock's functionality and appearance:

  1. Wipe the exterior with a damp cloth to remove dirt and grime.
  2. Periodically lubricate the lock cylinder with a dry lubricant (e.g., graphite spray) to ensure smooth operation, especially in wet conditions.
  3. Avoid exposing the lock to extreme temperatures or corrosive substances.
  4. Ensure the vinyl coating remains intact to prevent potential frame damage.

Price History

DatePrice
Visit shop