Bell Helmets - SRT Modular Helmet site-US You can use any of

You can use any of these options:

420D Cordura® Lite fabric construction

The SubStraight then wraps around the subframe

and safety

Ball stop groove

Bell Helmets - SRT Modular Helmet site-US You can use any ofVERSATILE PERFORMANCE The new SRT Modular combines the quality construction of the SRT fiberglass shell, recessed EPS speaker pockets, a broad range of sizing options and Panovision Class 1 optics and adds in the versatility and convenience of a modular helmet. All the protection of a quality full face when you need it, as well as the ease and accessibility of an open face for when you want to face the world head on. SRT putting the Sport back in