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
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
Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green
Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green Hyper Green
Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon
Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon Atomic Salmon

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.
$79.95 $49.57
Color: Stealth Black
Model (Size: M-L):
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.

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 -
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
EU DECLARATION OF CONFORMITY
View EU Declaration of Conformity for Lumos Ultra Fly.
Ultra Fly
An Ultra Lightweight Smart Helmet for All Your Rides.
Lumos Ultra Fly
$49.57 USD $79.95 USD



Color: Stealth Black
Model (Size: M-L):
Bundle:
Lumos Ultra Fly
$49.57 USD $79.95 USD
Lumos Ultra Fly
$49.57 USD $79.95 USD
Color: Stealth Black
Model (Size: M-L):
Bundle:
Quantity:
The perfect helmet on the road, however you’re riding
Smartness and simplicity in perfect unison
great modern design
lights on when you need it
245g super lightweight
Vents for effective cooling