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- Easy returns

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Pros & Cons
Pros & Cons
- Ideal city and day light: visible up to 2 km in the brightest flash mode.
- Easy to pair with your Garmin and Bontrager ANT+ devices for turning on and off or to check the battery status.
- The Quick Connect bracket makes it easy to mount and remove from your handlebars.
- The light sensor adjusts the brightness to your surroundings.
- The daytime running light mode can blind other road users if you use it in the dark.
Specifications
Specifications
Brand
|
Bontrager |
No | |
Yes | |
0 - 100 lumen | |
90 | |
Good | |
Flashing Mode
|
Yes |
Number of Modes
|
2 |
Yes |
Description
Description
The Bontrager Flare RT is ideal for use in an urban environment or during the day. Due to its specific brightness, light pattern and range, you are visible from a distance of up to 2 kilometres during the day. The integrated light sensor automatically adjusts the brightness to the ambient conditions.
Thanks to its battery safety mode, the Flare RT has an additional battery time of 30 minutes when it hits 5 percent battery capacity. As a result, you'll never be without lights when you're on the move. At a continuous 25 lumens, the battery will last approximately 4-5 hours. At a capacity of 5 lumens, this transforms into 13.5 hours. The flashing mode has a maximum capacity of 90 lumens. In this mode, the battery will last approximately 6 hours. With the USB cable, the light is easy to charge. The USB port is waterproofed for ease of use as well. So you can ride in wet conditions without worries.
Compatibility
• Fits 22.2 mm to 35 mm seat postsFind out more on our Blog

Bike Lights Buyer’s Guide 2022-23: Be safe on the road!
Read moreReviews
Reviews
Photos from customers
Most recent reviews
5 / 5
The ultimate in autumn and winter for every cyclist
The best rear light I know, visible from afar for every driver. The weak point is the fact that the charging connection is still a micro USB. This calls its durability into question in the long term.
5 / 5
Top product
Perfect rear light the previous 3 years and 33000 km used then battery ran out
Pros & Cons
5 / 5
Visible at 1km distance according to motorists
Top product. The first drive, a motorist immediately said "nice light, I could see you from 1km away, nice man!". Cars also really overtake you with more space between them. I really feel a lot safer, even during the day.
Pros & Cons
5 / 5
It is a small investment in road safety
It is a very small light with a huge aura and a traffic light that is always on red for traffic coming from behind
Pros & Cons
5 / 5
Clear buy recommendation!
So you won't be overlooked on the road even during the day
5
The ultimate in autumn and winter for every cyclist
The best rear light I know, visible from afar for every driver. The weak point is the fact that the charging connection is still a micro USB. This calls its durability into question in the long term.
5
Visible at 1km distance according to motorists
Top product. The first drive, a motorist immediately said "nice light, I could see you from 1km away, nice man!". Cars also really overtake you with more space between them. I really feel a lot safer, even during the day.
-
Cars drive by with a wider arc
-
Visibility
5
It is a small investment in road safety
It is a very small light with a huge aura and a traffic light that is always on red for traffic coming from behind
-
Easy to mount on the Bontrager helmet
-
Very strong lighting
-
You are sure to be highly visible.
-
High price
Frequently bought together
Frequently bought together
Recommended by the product specialist
Recommended by the product specialist
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Bontrager Flare RT | Ravemen CL05 Lumen | |
252 reviews | 0 reviews | |
StVZO certification | No | |
Daytime running lights | Yes | |
Light Output in Lumen | 0 - 100 lumen | 0 - 100 lumen |
Amount of lumen | 90 | 30 |
Lateral visibility | Good | Good |
Flashing Mode | Yes | Yes |
43.00 | 26.20 | |
This product | View product |