SD1 Racing Helmet - SA2020 NC Suspension upgrades

Suspension upgrades

3D accelerometer/gyroscope

AND PMU CONFIGURATION

than Gates

but the communications port has been re-designed for use with the WL wireless key (sold separately) which

SD1 Racing Helmet - SA2020 NC Suspension upgradesSimpson's lightest and most aerodynamic helmet, the SD1 is a premium helmet at a reasonable price. The helmet is tailored towards open wheel dirt track racing with no front vents and a front chin spoiler. Features: New, aerodynamic design Simpson's Lightest helmet SA2020 Certified Available in composite and autoclave cured carbon fiber Composite models are available in 9 different colors including 3 new colors: Gray, Yellow, and Copper Removable cheek