Smooth, round profile with tightly spaced block tread and heavy siping provides a stable platform when on dirt or pavementSC - Single compound casing for a durable, dependable tireSW - SilkWorm increases puncture and tear resistance with a reinforced breaker beneath the tread surfaceStandard20x1-3/8451WireBeltedBk/Blk11060SWUPC/EAN/GTIN: 4717784029504