Improved grip and traction matched with new available sizing adapts to the demands of today's 4-Stroke machines. The Bridgestone M203 front provides improved grip traction with directional pattern rotation to enhance stability and increase braking power, while the Bridgestone M204 rear offers a race-proven tread pattern with tall tread blocks and extra-wide block spacing for great drive performance. M203, 60/100-14, Bias, Front