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Development of anti-lock brake system (ABS) for motorcycles needs specific approaches to the control of movement of a wheel. The well developed ABS control principles for cars or trucks cannot be automatically applied to motorcycles. In this connection, an alternative strategy of pre-extreme ABS control has been researched and simulated. Its aim is to ensure the wheel operation in pre-extreme, stable area of “coefficient of longitudinal force - wheel slip” dependence. MATLAB software and specially created software have been used for the simulation of single-channel and two-channel ABS systems. This simulation has verified that the pre-extreme ABS algorithm guarantees the high braking efficiency and motorcycle stability consequently.