Brinn Steel Snap Ring Natural - Brinn Transmissions RS00400312 The ST5 Kart helmet’s interior

The ST5 Kart helmet’s interior has an excellent fit and comfort level due to its dual density interior foam lining

Mounting hardware and a 3/4" Panhard bar bolt are included

The sliding tethers offer exceptional viisibility

40 Micron Element

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Brinn Steel Snap Ring Natural - Brinn Transmissions RS00400312 The ST5 Kart helmet’s interiorProduct Description: Snap Ring Steel Natural Brinn Transmissions Sold Individually Since 1988, The original Brinn Transmission is known as the most reliable, highest quality, best performing Transmission for short oval track racing on dirt or asphalt. It is a lightweight, direct drive Transmission featuring the lowest rotating weight and moment of inertia available of any Transmission on the market and is available with a magnesium or aluminum case.