Simpson Racing SD1 Helmet - XS - CarbonExtra Small - Carbon - SA2020 Late Model Durable Construction: CNC machined billet

Durable Construction: CNC machined billet aluminum housing for long-lasting durability

5 in Barrel Spring - 1 in Height - Rubber - Blue - Each

1/16-3/8 in Grip Range

1 in W - Each

Rod End - Spherical - Precision - 7/8 in Bore - 7/8-14 in Right Hand Male Thread - PTFE Lined - Steel - Chromate / Zinc Oxide - Each

Simpson Racing SD1 Helmet - XS - CarbonExtra Small - Carbon - SA2020 Late Model Durable Construction: CNC machined billetSimpson'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.