Klotz® Flex Drive™ 30 TechniPlate® Synthetic Gear Lubricant is a low viscosity, extreme pressure 75W/80 lubricant recommended for Bert® and Brinn® style transmissions. Klotz® Flex Drive™ 30 is engineered for enhanced thermal stability and to withstand the constant shearing stress in racing applications. TechniPlate® technology is an advanced synthetic lubricity system which contains precision lubricating and anti-shearing molecules that coat gears and clutch plates with a protective film to absorb shock and prevent metal to metal contact.