Very good100/100iRennrad RadsportmagazinSingle testReleaseNovember 2021PositiveFitPositiveProcessingPositiveWearing comfortPositiveSpherical systemNegativePriceWith the Spherical system, the Giro Helios offers a very well thought-out and innovative safety concept. The ventilation, build quality and fit are very good.This test report belongs to a different type: Helios Spherical MIPS (51 - 55 cm)