Size:M/L/XL
<br />Size             Height                 Upper diameter                   Bottom diameter                 Fits suggestion
<br />M             51cm/20.08"         30-36cm/11.81"-14.17"        18-28cm/7.09"-11.02"            Weight<130kg
<br />L              52cm/20.47"         34-44cm/13.39"-17.32"        20-30cm/7.87"-11.81"            Weight<145kg
<br />XL            53cm/20.87"         38-48cm/14.96"-18.90"       22-32cm/8.66"-12.60"            Weight<160kg