Gemini Iris Rear Light: Quality Light, Top-Class Brightness -'s Dave Atkinson took on a plethora of rear bicycle lights to find out which one is the best. The Gemini Iris Rear Light was highlighted for its highest lumen output from the test, simple mounting, as well as it's quality construction and feel.

Top-of-the-class brightness for when you really need to get seen, with a good range of lower power options, 4/5 stars.

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Gemini Iris Rear Light Review -