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Fosmon 113dB Bike Alarm with Remote

Compact 113dB Fosmon bike alarm with remote control for bikes, e-bikes, scooters and motorcycles. Features motion sensor, SOS tilt alarm, 7 sensitivity levels, 3 volume levels and IP65 waterproof housing. Easy to mount with adhesive or cable ties.

Select Color: one size
£17.99
Delivered by Sunday if you order within 2 hrs 11 min
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    UK Legislation
    UK Legislation

    This model is fully compliant with UK road regulations.

    See UK Legislation

    Warranty

    Every BikTron purchase includes a 12-month warranty.

    See Warranty Details
    Questions? Give us a call at +44 6453 746234

    Overview

    The Fosmon 113dB bike alarm is a compact, wireless anti-theft alarm designed to help protect your bicycle, e-bike, scooter, motorcycle, cart, trailer and other valuables. It uses a loud 113dB siren and a built-in motion and vibration sensor to warn you when your vehicle is moved.

    This alarm is controlled by a remote, so you can arm and disarm it easily. It is IP65 waterproof, making it suitable for outdoor use in rain and splashes.

    Key features

    • 113dB loud vibration alarm to deter theft
    • Remote control operation for arming and disarming
    • Motion and vibration sensor reacts when the vehicle is moved
    • Adjustable 7-level sensitivity to suit different setups
    • Three volume levels so you can choose how loud the alarm sounds
    • SOS function detects tilting of more than 45° and beeps to signal for help
    • IP65 waterproof housing for outdoor use
    • Wireless design powered by 3 AAA batteries
    • One alarm can be paired with up to 8 remotes

    Installation and use

    Setting up the Fosmon anti-theft vibration alarm is simple. First, choose a suitable mounting surface on your bike, scooter, motorcycle or other item and clean it. You can then attach the alarm using the supplied adhesive or use the cable ties and brackets on the back of the unit for a more secure fit.

    Once installed, use the remote to arm the alarm. If the alarm detects vibration or movement, it will sound. You can adjust the sensitivity through seven levels to reduce false triggers or make it more responsive, and choose from three volume levels. The SOS function will detect an accident if the vehicle tilts more than 45° from its original position and will emit a beeping sound to attract attention.

    The alarm can also be used as a luggage alarm, fence alarm, trailer alarm and for other items where extra security is needed, especially when combined with physical locks.

    Technical specifications

    Manufacturer Fosmon
    Brand Fosmon
    Product dimensions 9.5 x 4.19 x 2.29 cm; 113.4 g
    Batteries 3 AAA batteries required.
    Item model number 51087HOM
    Manufacturer part number 51087HOM
    Special features Waterproof, Wireless
    Item weight 113 g
    ASIN B07PQ92SHC
    Customer reviews summary 4.4 out of 5 stars, 6,169 ratings
    Best sellers rank 4,635 in Automotive; 13 in Motorbike Theft Protection
    Date first available 13 May 2019
    • Manufacturer
      Fosmon
    • Size Name
      one size

    Yes. All electric bikes sold by Biktron are brand new, factory-sealed, and sourced directly from authorized manufacturers and official distributors.

    You can select your bike based on riding style (city, mountain, cargo, folding), range, motor power, and terrain. If you’re unsure, our team can help you choose the best model for your needs.

    Yes. Every e-bike battery is brand new and original from the manufacturer, with full safety certification and performance testing.

    Yes. Each e-bike undergoes a quality control check before dispatch, including electronics, brakes, motor response, and battery performance.

    Yes. All electric bikes purchased from Biktron include a manufacturer warranty. Warranty duration depends on the brand and model.

    Standard delivery usually takes 2 to 7 business days within the UK. Delivery times may vary for remote areas.

    We accept Stripe, PayPal, Apple Pay, Google Pay, and debit/credit cards. All payments are secured with SSL encryption.

    Yes. You can return your bike within 14 days of delivery if it is unused, in original packaging, and in resalable condition.

    Most electric bikes arrive 85–90% pre-assembled. Basic setup such as handlebars, pedals, and seat adjustment is usually required.

    Currently, Biktron focuses on deliveries within the UK. International shipping may be added in the future.

    Please note that the use of electric scooters and electric bikes in the UK is subject to specific regulations.

    Electric Scooters:

    Currently, privately owned electric scooters are not permitted on public roads, pavements, or cycle lanes. They are only legal on private land with the landowner’s permission.

    Riders are advised to familiarize themselves with local laws and guidelines to avoid potential fines or penalties.

    Electric Bikes (E-Bikes):

    Electric bikes that meet UK government criteria (pedal-assisted, motor limited to 250W, and a maximum speed of 15.5 mph) are classified as Electrically Assisted Pedal Cycles (EAPCs). These can be used on public roads and cycle lanes without a license, tax, or insurance.

    Riders must be at least 14 years old to legally ride an EAPC in the UK.

    By purchasing and using these products, customers acknowledge their responsibility to comply with all applicable laws and regulations. Our company cannot be held liable for misuse or legal consequences resulting from non-compliance.

    For more information, please refer to the UK Government’s official guidelines.

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