The Dubnital tire is designed for dry to damp conditions and for rocky hardpack and medium loose soils. Master the challenges of modern cross-country and down country riding at speed. Dubnital supersedes its predecessor the championed &';Race King&'; and takes performance to the next level.The master of speed tire ideal for hardpack terrainHookless compatible Tubeless ready design allows the rider to run the tire at a lower pressure thus adding comfort and puncture protection 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;} Flat Protection Tread and Sidewall TPI 330 Color Black Weight 600 Designed for ebike Yes Defined Color Black ISO Width (mm) 50 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 50 Tire Type Tubeless Ready PSI 58