Brake discs for motorcycles; Brake systems for vehicles; Hydraulic disc brakes; Main brake cylinders; Parts of motorcycles, namely, brake calipers; Parts of motorcycles, namely, brake levers; Parts of motorcycles, namely, brake master cylinder assemblies; Parts of motorcycles, namely, clutch master cylinder assemblies; Parts of motorcycles, namely, handle bar control levers; Parts of motorcycles, namely, handle bar grips