STILO ST5 GT 8860-2018 CARBON RACING HELMET
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STILO ST5 GT 8860-2018 CARBON RACING HELMET

$3,000.00
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Under the new FIA 8860-2018 standard all helmets must withstand the following tests: Standard impact: Helmet impact at 9.5m/s. Peak deceleration on ‘driver’s head’ shall not exceed 275G. Low velocity impact: Helmet impact at 6m/s. Peak deceleration shall not exceed 200G with a maximum average of 180g. Low lateral impact: Helmet impact at 8.5m/s. Peak deceleration shall not exceed 275G. Crush: A 10kg weight falling 5.1 meters onto helmet. Lateral and longitudinal tests. The transmitted force should not exceed 10 kN.Shell penetration: A 4kg impactor dropped onto helmet at 7.7 m/s.Visor penetration: Air rifle fires 1.2g pellet at visor. Pellet must not penetrate the interior of the helmet. Visor coating: Transmitter test to ensure colouration and vision is not significantly changed or distorted. Retention system: Roll-off test and dynamic test to ensure strength of chin strap and its attachments. Chin guard linear impact: Impact test with full headform at 5.5m/s. The peak deceleration sh

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