Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime
Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black
Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White
Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey
Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon
Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime
Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime Lightning Lime
Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black
Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black Stealth Black
Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White
Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White Phantom White
Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey
Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey Maverick Grey
Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon
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  3.  Lumos Ultra Fly

Lumos Ultra Fly

The Lumos Ultra Fly is the perfect balance between smart lighting and performance, coming in at under 250g for when you’re going on your weekend rides and only 280g with a Firefly attached for when you need to be seen on the road.

With all new upgrades, Ultra Fly is a road bike helmet jam-packed with new technology to keep you safe on the road whether you’re on your commute, or on your recreational ride, day or night:

  • Improved vents: Well-ventilated design for optimal airflow while cycling.
  • FlexiFit Retention System: Adjust both vertically and horizontally for best fit.
  • OptiGrip: Custom-designed sunglass port that securely holds your sunglass in place.
  • Firefly Port: Magnetically attach a Firefly bike light only when you need the added visibility on the road.
$109.95
Color: Lightning Lime
Model (Size: M-L):
Select A Bundle:

Lumos Ultra Fly 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 Ultra Fly 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.

Quantity:
DETAILS
  • Size
    • Length: 10.24" (26cm)
    • Width: 8.62" (21.9cm)
    • Height: 5.51" (14cm)
  • Weight
    • Standard: 8.64 oz. (245g)
    • Mips: 9.70 oz. (275g)
  • Fits
    • M/L: 21.6-24" (55-61cm)
  • Comfort and Safety
    • Mips® Evolve Core (for Mips model)
    • FlexiFit fit system
    • OptiGrip sunglasses port
  • Certifications
    • US: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older
    • EU: CE EN1078:2012 + A1:2012
    • F1447
SHIPPING AND RETURNS
30-day return policy and limited 1-year warranty.
EU DECLARATION OF CONFORMITY
View EU Declaration of Conformity for Lumos Ultra Fly.
STAY WARM, STAY VISIBLE
Winter weather won’t slow you down

The Lumos Winter Liner is designed for all Lumos helmet models, upgrade your helmet into a winter-ready solution. With seamless integration, it perfectly conforms to your helmet's shape, ensuring visibility while protecting you from the harsh cold. Enjoy a cozy riding experience even below 0°C.

add-on winter bundle:
Ultra Fly (Mips) Winter Kit
  • 1 x Lumos Ultra Fly (MIPS)
  • 1 x Lumos Winter Liner
$74.22
Stealth Black

Ultra Fly (MIPS) Winter Kit

Lumos Ultra Fly (Color):
Winter Liner (Size):
Model (Size: M-L):
Ultra Fly Winter Kit
  • 1 x Lumos Ultra Fly
  • 1 x Lumos Winter Liner
$57.72
Onyx Black

Ultra Fly Winter Kit

Lumos Ultra Fly (Color):
Winter Liner (Size):
Model (Size: M-L):
STAY WARM, STAY VISIBLE
Winter weather won’t slow you down

The Lumos Winter Liner is designed for all Lumos helmet models, upgrade your helmet into a winter-ready solution. With seamless integration, it perfectly conforms to your helmet's shape, ensuring visibility while protecting you from the harsh cold. Enjoy a cozy riding experience even below 0°C.

Ultra Fly (Mips) Winter Kit
  • 1 x Lumos Ultra Fly (MIPS)
  • 1 x Lumos Winter Liner
$74.22
Stealth Black