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Bryton Gardia R300L Rearview Radar & Tail Light

Bryton Gardia R300L Rearview Radar & Tail Light

Dual protection for safer riding
Smart light switching for different conditions
Customizable light modes
Clear battery level display
All-in-one mount system for easy use
220° visibility for better rear awareness
IPX7 waterproof rating for all-weather riding


NT$3,980
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Gardia R300L

Gardia R300L

Smart Radar Tail Light

Gardia R300L Smart Radar Tail Light

A Powerful Support for Every Ride

Ride with confidence with the Bryton GARDIA R300L smart radar tail light. Combining rearview radar and tail light functions, it provides added protection while riding. When vehicles approach from behind, alerts appear on compatible cycling computers and the GARDIA App, while the Bryton GARDIA R300L automatically changes its flashing mode to warn approaching traffic.

Constantly Detect Rear Hazards

Ride with confidence with the Bryton GARDIA R300L smart radar tail light. The GARDIA R300L radar can detect vehicles approaching from up to 190 metres behind. When paired with a compatible cycling computer, it provides visual and audio alerts to remind riders of approaching rear traffic.

Rear Hazard Detection
Warning Light Alerts

Flashing Alerts for Potential Threats

The Bryton GARDIA R300L helps you avoid unwanted surprises while riding. When a vehicle approaches from behind, the GARDIA R300L evaluates the danger level based on relative speed and actively changes its warning light pattern to alert drivers behind you.

Automatic Light Switching

When connected to a compatible Bryton cycling computer, the GARDIA R300L can use the computer’s built-in light sensor to adjust the tail light mode according to ambient light. In bright conditions, the tail light switches to daytime flash mode to save power, while in darker environments it automatically switches to nighttime flash mode.

Automatic Light Switching
Brake Detection

Brake Detection

With a built-in accelerometer, the Bryton GARDIA R300L radar tail light can detect braking and change its light signal to alert vehicles behind you, helping reduce the chance of collisions caused by slowing down or sudden braking.

ANT+ Light Network

With its built-in ANT+ integration system, the GARDIA R300L radar tail light can connect with compatible front lights and cycling computers to create a light network. Both front and rear lights can then be controlled directly from the cycling computer, including power on/off and light mode adjustments.

ANT+ Light Network
Increased Visibility

Increase Riding Visibility

The Bryton GARDIA R300L smart radar tail light is designed to increase cyclist visibility and help prevent approaching vehicles from overlooking riders ahead. During the day, when operating in flash mode, the tail light can be visible from up to 1.6 kilometres behind.

Multiple Light Modes for Different Conditions

The Bryton GARDIA R300L is equipped with multiple light modes to support your riding needs at all times, helping you stay visible in different conditions. Modes include solid, low solid, daytime flash, nighttime flash, light off, and group ride mode. When paired with a compatible cycling computer, light modes can also be adjusted directly on the computer screen.

Light Modes
Battery Time Display

Battery Display by Remaining Usage Time

Tired of calculating how many hours are left from a battery percentage? When paired with a compatible Bryton cycling computer or the GARDIA App, battery consumption is displayed directly as remaining usage time on the device screen. With accurate remaining time display, it becomes easier to plan your ride settings and schedule.

Powerful Rechargeable Battery

After a full charge, the GARDIA R300L can run for up to 17 hours in daytime flash mode and up to 12 hours in solid mode. Its strong battery life supports even long-distance adventures. When the battery is low, the tail light automatically reduces brightness to extend usage time. The USB Type-C charging port also makes charging more convenient.

Rechargeable Battery
Mounting System

All-in-One Mounting System

With its unique all-in-one mounting system, the Bryton GARDIA R300L removes the hassle of complicated tail light installation. Simply attach the GARDIA R300L smart radar tail light to your preferred position and you are ready to ride. The included mount supports 27.2 mm, 30.9 mm, and 31.6 mm D-shaped seatposts, as well as aero seatposts.

Bryton GARDIA App

Download the Bryton GARDIA App to unlock all features of the GARDIA R300L smart radar tail light. This dedicated official mobile app not only lets you monitor rear traffic while riding, but also provides sound and vibration alerts when vehicles approach from behind. Through the GARDIA App, you can also control the GARDIA R300L tail light modes directly and receive firmware update notifications in real time.

Bryton GARDIA App screen

Size and Weight

  • 40.0 mm Width
  • 97.0 mm Height
  • 20.9 mm Thickness
  • 66 g Weight
Gardia R300L Size and Weight
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Delivery Options

  • 7-11 Pickup only (C2C)
  • 7-11 Pickup and pay in store (C2C)
  • 中華郵政
  • 店內自取

Payment Options

  • Credit Card Installment (3 Installments)
  • Cash on Delivery
  • Apple Pay
  • LINE Pay
  • Credit Card

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