F 1900 Classic wheels are made to withstand some of the harshest conditions. With a new rim based on the latest generation of Downhill rim design coupled with the tried-and-true ratchet hub the F 1900 wheel aims to take the beating of numerous bike park laps.Intended use = DH/All-Mountain/TrailTubeless ready 30mm wide alloy rimSealed bearing Spline Hub with Ratchet LN 18T freehub drive systemIncludes tubeless valve and tape 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;} Rear Axle 12mm Thru x 157mm Rim Width (Internal) 30 Cassette Body Type Shimano HG Valve Presta Color Black Wheel Size 27.5" Defined Color Black ISO Diameter 584 / 650b / 27.5" Rim Material Alloy Tire Type Tubeless Ready Clincher Hub/Brake Compatibility 6-Bolt Disc