Lezyne Femto F+R review

Disposable battery powered but massive runtime makes up for it.
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High runtime
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Not rechargeable
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Features: 15 lumens, Runtime 30-60hrs (claimed) / 5 modes (F+R) / 2 x CR2032 / Tool-free mounting
Small in size but big in output, these single-LED lights offer two types of fitting: a multi-position silicone rubber strap to fit any size of seatpost or a simple clip to attach to a rucksack.
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