Who it's for

  • Commuters seeking reliable theft deterrence for high-risk areas
  • Cyclists tired of managing or losing physical keys
  • Riders wanting a hands-free way to carry their lock

Who should skip it

  • Commuters riding in freezing temperatures or low-light conditions
  • Weight-conscious cyclists prioritizing a nimble, lightweight ride
  • Urban riders needing to lock up against bulky street furniture

Performance breakdown

Cut Resistance

The 13mm hardened steel shackle stands up well against standard bolt cutters.

Excellent

Locking Mechanism

Double bolt design provides reliable security and prevents twisting attacks.

Excellent

Convenience

Keyless combination entry eliminates the frustration of lost or forgotten keys.

Excellent

Portability

Included frame bracket makes carrying this substantial lock much more manageable.

Good

Build Quality

Robust construction feels substantial and ready for daily urban abuse.

Excellent

Versatility

Standard dimensions fit most frames but may struggle with oversized tubing.

Good

Key Specs

Inside dimensions

4.53" x 9.06" - 115mm x 230mm

Still have a question?

Ask Metto anything about the Onguard Bulldog Combination U Lock before you decide.

Onguard Bulldog Combination U Lock

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