Lumos Ultra Helmet Men's Clothing-Swim you\'re slow relative to the

you\'re slow relative to the ground but very fast relative to the air and that’s what determines the resistance you experience (that’s exactly why you’re slow)

Free 5-year warranty on frame

Color: Black Tread/Brown Sidewall

paint and carbon fibre

LED Configurations Front: 30 White LEDs

Lumos Ultra Helmet Men's Clothing-Swim you\'re slow relative to theLumos Ultra is our most popular bike helmet that comes with integrated LED lighting, turn signals, and smart features to keep you safe in one sleek package. Details: Size Length: 10. 83" (27. 5cm) Width: 8. 27" (21cm) Height: 6. 10" (15. 5cm) Weight 13. 05 oz. (370g) LED Configurations Front: 30 White LEDs Rear: 64 Red LEDs COB LEDs for a more uniform look Turn signal capable Automatic brake lights (optional upgrade) Battery Battery Life: 4 10 hours