Perfectly suited for cyclists and power sport users, Smart Alarm U-Locks offer our highest level of security in one convenient, easy-to-use design. OnGuard’s wide range of shackle lengths, optional cables, pick, pull, bump and drill resistant cylinders.

Who's this item for: Riders looking for a lightweight yet incredibly safe way to keep their bikes safe when they're not in use.

Key or combination: Key lock opening.

Length: 258mm length 100mm width.

Materials: Hardened steel.

Stand out features:

• 120dB alarm triggered if the lock/bike moves
• A single turn of the key activates the alarm, a double turn of the key switches it off
• Lock for maximum resistance to breakage of the clasp
• Drum with protection against drilling, respect and entertainment
• Universal frame mount included