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Firefly Light Set
Firefly Light Set
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Firefly Light Set

€161.82 EUR €179.80 EUR

Firefly Light Set Fit Guide

Measuring your head size
1
Find a measuring tool Use a soft tape, rope or even your charging cable. Place it against a ruler to measure.
2
Measure your head Wrap it around your head, position it mid-forehead and above the eyebrows and ears.
3
Find your helmet size Identify if it’s a good fit. Firefly Light Set fits most head shapes with the adjustable dial fit system.

We strongly advise that you measure your head size before purchasing to ensure the helmet fits perfectly around your head.

Determining Your Head Size

Sizing Small Medium-Large Extra Large
Inches 20in. - 21.7in. 21.3in. - 24.0in. 24in. - 25.6in.
Centimetres 51cm - 55cm 54cm - 61cm 61cm - 65cm
Weight (MIPS) 370g 409g 450g
Weight (Standard) - 370g -

We strongly advise that you measure your head size before purchasing to ensure the helmet fits perfectly around your head.

The Bundle Includes:

2x Lumos Firefly

1x Lumos Remote

1x Turn Signal Mount

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