Bike, scooter and motorbike locks


Exclusive Viro design disc lock, with reliable movement and vibration sensors that activate a powerful alarm siren. This Hi-tech and innovative disc lock emits visual and acoustic signals to indicate that an attempt to steal the motorbike has been made during the owner's absence. It can also be used together with the Viro M.A.S. Satellite-based burglar-alarm module to receive real-time alarm messages on your mobile phone. Particularly suitable for hight-powered motorbikes.

Can be used with the Viro M.A.S. GPS-GSM satellite-based burglar-alarm module


  • Body:

    one-piece chrome-plated. Electronic component housing protected against splashes and dust (IP 54 certification CEI_EN 60529).

  • Dead-bolt:

    case-hardened, tempered, copper and nickel steel Ø 10 mm.

  • Keys:

    supplied with 3 inox stainless steel keys with ergonomic non-slip ABS cover; one key is blue with a useful built-in light to illuminate the lock.

  • Mechanism:
    • key locking (preventing accidental locking and electronic activation);
    • independent electronic activation by means of the button;
    • 6 steel disc chrome-plated zamak plug covered by nickel-plate steel escutcheon;
    • lock protected by weather proof cap.

  • Power supply:

    low consumption technology (2 long-life and easily available batteries) to extend battery life to a maximum. Batteries already inserted and easily replaceable, using the Allen key supplied.

  • Powerful alarm siren:

    activated if the motorbike or the disc lock are tampered with.

  • Personalized adjustments:

    alarm sound type selection, vibration sensor sensitivity level, independent or simultaneous sensor activation.

  • LED indicator and acoustic signals:

    indicating: activation when the disc lock is closed; theft attempts; "reminder" warning; batteries low; function adjustments.

  • Instruction manual:

    simple, clear and detailed.

  • Supplied with:

    useful nylon fabric carrying bag, Allen key for changing the batteries and attractive windshield sticker to indicate the presence of a Viro security product equipped with an alarm.

  • Packaging:

    personalized single box, which can also be hung up vertically.

  • Can be used with the Viro M.A.S. GPS-GSM satellite-based burglar-alarm module


Dead-bolt diameterColour

Unit weightKeysPcs. per pack






  19910Chrome1120053 or 053.L1