Castrol motorcycle oil and fluids were formulated for track performance to hold up to the rigors of racing. Constant high engine RPM, aggressive downshifting and late braking are all of the demands that Castrol engine oil, brake fluid and gear oil can deal with. Castrol offers the oil and fluids you need to keep your motorcycle running in tip top condition. It doesn't matter if you have a 2-stroke dirt bike or 4-stroke supersport. Your can prefer full synthetics or synthetic blends. Castrol will have an oil option to maintain your motorcycle for many riding seasons to come. Keep your transmission lubricated with Castrol gear oil to extend the life of your drive train. Castrol motorcycle brake fluid performs even at high-temperature conditions to keep your bike stopping from the street to the track.