X-904 ULTRA CARBON CALIBRO QUIN Antracite / Blu / Rosso Size:L It features an integrated three-axis

It features an integrated three-axis accelerometer and an exclusive algorithm for acceleration calculation

while an intelligent safety lock prevents any accidental opening while riding

dramatically enhances aerodynamic stability at high speed

The interior features highly breathable

X-904 ULTRA CARBON CALIBRO QUIN Antracite / Blu / Rosso Size:L It features an integrated three-axisThe true pleasure of riding begins where limits end. The X 904 Ultra Carbon was designed for riders who refuse to compromise between the pure high speed protection of a racing helmet and the outstanding long distance comfort of a premium touring model. From endless motorway straights to the tightest mountain hairpins, this top of the range full face helmet from our X Series line delivers a precise, uncompromising answer to the real demands of the