Recently, i bought the Shark S900 Fost Lumi to replace my Shoei Raid which really needed a replacement. I was doubting between the Ellipse and Fost Lumi but went for the Fost Lumi because i haven't seen it around yet and it's something different because of the luminescent paint pattern. It charges in about 30 minutes and glows for 20 hours. It looks kinda blueish when you see it in the dark. Also, it's more quiet then the Shoei i had (which was 5 years old) which is also a plus. Ventilation isn't as good as on the Shoei though but it's working. The price/quality isn't matched if you ask me.
Changing the visor is a piece of cake, just press the buttons and off it comes. Putting it back on is just push and click. Also a very nice feature is the built-in sunvisor. I used it a couple of times and it does the job fine 
Overall, it's quiet, has nice features, fits well and the weight is low if you know it has the sun visor built in.
 SHARK S900 DUAL MOTORCYCLE HELMET MATT BLACK MEDIUM NEW  US $291.73
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 CASCO HELMET SHARK S 900 DUAL BLACK US $209.34
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 SHARK S900 FOST LUMI LUMINESCENT MOTORCYCLE HELMET L US $307.08
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