The Ebike Rear-Vehicle Alert System is designed to help riders stay aware of what's happening behind them without constantly checking over their shoulder. Mounted to the rear of the bike, the alert system continuously scans for approaching vehicles and sends real-time alerts directly to your Monarc display.
As traffic approaches, intuitive green, yellow, and red indicators provide a quick visual reference for vehicle proximity, helping riders maintain awareness while keeping their attention focused on the road ahead. The system can track up to five vehicles simultaneously and detect traffic approaching from up to 460 feet (140 meters) away.
For an even more connected experience, the Ebike Rear-Vehicle Alert System integrates with the Smart Helmet to deliver audio traffic alerts directly through the helmet speaker. Riders receive automatic warnings when vehicles approach from behind, allowing them to stay informed without looking away from the ride.
Powered directly by your ebike battery and connected via Bluetooth, the Ebike Rear-Vehicle Alert System pairs quickly through your Monarc display or the Monarc app and is built to perform in a wide range of riding conditions with an IPX6 water-resistance rating.
Compatible with all Monarc bikes.
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Size |
3.3 x 1.1 inch (85 x 29mm) |
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Detection Distance |
0-460 feet (140 meters) |
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Horizontal Detection Angle |
±22° |
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Vertical Detection Angle |
±22° |
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Maximum Detectable Vehicles |
5 |
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Detectable Relative Speed |
6-75 mph (10-120km/h) |
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Voltage Input |
24V/36V/48V/52V/60V (powered by e-Bike battery) |
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Connection |
Bluetooth |
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Water-Resistance |
IPX6 |
5-Year Warranty
Our unprecedented 5-year warranty ensures you have peace of mind choosing Monarc. With extended customer support hours, you can reach out anytime M-F from 7a-7p. We know it’s crazy, but it’s real. We’ve done the research. We have the backing, and we’ll be here for you for the long haul.
Included Spare Battery
We didn’t have to, but when we thought about what would really make you feel like there was no reason to not get out there and ride, we knew we had to tackle range anxiety and battery life. Swap your batteries to extend the life or take both on the ride and go up to 120 miles on a single trip.
Safety First
Riding on the open road comes with risks and we want to mitigate those as much as possible by designing real safety into the DNA of our ebikes. Of course all of our bikes are UL certified, but we don’t stop there. From rear detection radar, to tire pressure monitoring, to smart helmet capability all the way down to the battery IPX7 waterproof rating, we’re making sure you feel safe to explore.