Simpson Safety Helmet

729712S

DIAMONDBACK 2020 7 1/2 S.OR;Simpson Racing SA2020 Diamondback Racing Helmet;7 1/2 - Safety Orange;A major revision to our Simpson Diamondback for 2021 combines a new Italian composite shell with a shorter chinbar and changes to the visor mounting for improved fit and function while also providing enhanced impact protection. Helmet ships with one clear face shield installed, additional face shields may be purchased separately.;Recessed eye port offers a 100% shield seal;Head restraint ready;Italian composite shell;Your helmet ships with one clear shield installed. Order additional shields;Defined "wave eliminators" increase functionality from an aerodynamic aspect;The Snell SA2020 testing requirements have changed a small amount and have now become more in line with the FIA 8859 Helmet Standard.;Increased velocity by 5-10% for impact testing on the 2nd hit across all shell sizes.;Increased velocity from 5.7 to 6.0 m/s on the 54cm to 59cm size.;Increased peak G threshold on the 54cm to 59cm size and 60cm-64cm size.