Bryton GARDIA R300 Cycling Radar Review // Can it Compete with a Garmin VARIA?
00:10:23DesFit

Bryton GARDIA R300 Cycling Radar Review // Can it Compete with a Garmin VARIA?

DesFit

March 22, 2023

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Description

In-depth review of the new Bryton Gardia R300L Cycling Radar Taillight. How does it perform compared to the Garmin Varia RTL515?

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Bryton Gardia R300L
Devices & ElectronicsRadar

Bryton Gardia R300L

Created: April 29, 2026
4 other reviews for this part

The reviewer tests the Bryton Gardia R300L, a rear view radar and taillight, as a new alternative to the Garmin Varia. They find it has promise but is less consistent and accurate than the Garmin, particularly in vehicle proximity detection and differentiating vehicles in groups. However, it offers good value at a lower price point.

AI-Summary

Pros

  • Detects vehicles approaching from behind; no complete misses for single or first vehicles
  • Relative vehicle speed detection (red for fast, orange for moderate) is consistent
  • No false positives experienced
  • Includes a smart taillight that changes pattern when vehicles approach
  • Multiple light modes including group ride mode to avoid blinding others
  • Battery life up to 8 hours in high solid mode, up to 24 hours with radar only
  • USB-C charging with right-angle cable
  • LED indicator shows battery level and charging status

Cons

  • Proximity detection inconsistent; sometimes alerts late when vehicle is already close
  • Slow to differentiate vehicles in a group; only picks up following cars after first passes
  • Guardia app shows delays or inaccuracies compared to bike computer display
  • Overall accuracy and consistency not on par with Garmin Varia

Where to Buy

Bryton Gardia R300L

Bryton Gardia R300L

global.brytonsport.com