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4x Firefly Bundle
4x Firefly Bundle

4x Firefly Bundle

$220.26 USD $314.65 USD

4x Firefly Bundle 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. 4x Firefly Bundle fits most head shapes with the adjustable dial fit system.

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 -

ADD-ONS:

4x Lumos Firefly

1x Turn Signal Mount

1x Remote

1x Charging Mat

Included in the bundle

Lumos Ultra

From $119.95

Lumos Firefly

From $49.95

Lumos Firefly Rear Turn Signal Mount

From $29.95

Lumos Remote (USB-C charging) + Handlebar Mount

From $34.95

Lumos Firefly Charging Cradle

From $19.95