We advise selecting blade stiffness in correlation with your overall physical structure;

If you weigh under 60kg (~165 lbs), please select stiffness 0-Super Soft. If you weigh over 60 kg (~132 lbs), we advise selecting stiffness 1-Soft, if you weigh over 70kg (~155 lbs) please select blade stiffness 2-Medium Soft and if you weigh over 90 kg (~198 lbs), we advise selecting stiffness 3-Medium.