Features a thin diameter for control and rounded diamond knurling for traction without a harsh bite SupaSoft grips feature 9A hardness for ultimate grip but fast wear. All other models have 15A rubber for comfort and durabilty Single clamp 30mm diameter x 134mm length 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 Dune Shape Round Grip Color Red Clamp Color Black Length 134mm Diameter 30mm Color Red