HJC i 100 flip-up helmet - BEIS MC-3HSF The i100 brings variety to the everyday life of a modular helmet. This modular helmet features a fully rotating chin bar that can be used in both open and full-face configurations thanks to P/J dual homologation. An easy-to-use integrated sun visor (Dark Smoke) is cable-operated and located on the lower left side of the shell. This shell is made from our advanced polycarbonate material and is offered in 3 shells in sizes XS to 2XL for maximum comfort and fit. It is also designed and engineered with optimal balance and weight distribution for all-day riding comfort. This helmet is also suitable for the SMART HJC Bluetooth systems (10B and 20B).