Giro Aries Spherical Helmet Size:S Drop tail design to allow

Drop tail design to allow for easier toilet stops without having to take your jerey off

Thanks to this valve

ST-R9270 L & R Di2 Brake/Shifter

the rim wall is hookless

Giro Aries Spherical Helmet Size:S Drop tail design to allowThe Giro Aries Spherical is the new benchmark in high performance road helmets lighter, cooler, sleeker, and packed with the most advanced protection Giro has ever made. At just 270g (medium), the Aries almost disappears on your head, delivering unreal comfort and airflow that makes every ride feel easier. Its Spherical Technology a ball and socket system powered by Mips redirects impact energy away from the brain, while Progressive Layering uses dual