WIAWIS 2023 NEW limbs MXT-XP were developed based on accumulated data that has analyzed the correlation between stability and speed according to the strain dis tribution of the limbs. They feature 1) the optimized curve to increase the speed and stability with minimizing the stress of the limbs. 2) They were designed to give smoothness in drawing. 3) better concentration and better arrow grouping by improved limbs anti-torsion after shooting. While maximizing accuracy and stability, which are main characteristics of WIAWIS bows. Even for the archer tries to shoot first, MXT-XP were designed to be easy to control and comfortable in short period.