The ultra-thin tapered core allows to add more rubber for unrivalled vibration reduction on a 30mm grip Found 30mm to be the optimum thickness 'Not too thick and not too thin&'; Clamped securely by a 7075 Aluminium collar and stainless steel bolt 90g TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model The Bartender Shape Round Grip Color Iron Bro Orange Clamp Color Black Length 130mm Diameter 30mm