.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}The Ground Control tire is such a great trail tire, we have adapted it for all sizes and ages. This tried-and-true design features CAD-engineered knob shapes, which strengthen the knob structure for optimal braking and traction, but it keeps the knob surfaces adaptable for the best possible grip on mountain trails.20x2.35", 25~5024x2.35", 25~50Bead: WireCasing: 26 TPICompound: 60a