Includes everything a rider needs for a fully optimized tubeless setup Includes one 9m roll of dual layer high tensile strength rim tape, 1 x 120ml trail pouches of Holeshot BioFibre tubeless tire sealant and a pair of black tubeless valves (60mm for 21mm road/gravel and 42mm on the other widths) 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 Holeshot 21 Kit Description Tubeless Conversion Kit Valve L 42mm Tape w 32mm Valve Presta Valve Length 42Mm Tape Width 32Mm