Lumos Firefly Mini Port Adapter
Lumos Firefly Mini Port Adapter
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Lumos Firefly Mini Port Adapter

€11.95 EUR

Lumos Firefly Mini Port Adapter 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. Lumos Firefly Mini Port Adapter 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.

ADD-ONS:

Upgrade your safety on the bike with the port adapter. It allows you to quickly and easily attach the Firefly Mini light to your helmet, magnetic design that effortlessly upgrades ULTRA FLY & 
ULTRA FLY PRO to smart control helmets, enhancing your rides without weighing you down.

Mounts Firefly Mini securely on Helmets

What does it do?

Mounts Firefly Mini securely on Lumos Ultra Fly or Ultra Fly Pro helmets.

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