Smooth, round profile with tightly spaced block tread and heavy siping provides a stable platform when on dirt or pavement Lightweight construction with a supple 120 TPI casing SC - Single compound casing for a durable, dependable tire SW - SilkWorm increases puncture and tear resistance with a reinforced breaker beneath the tread surface Standard 29x2.1 622 Fold Belted Bk/Blk 65 625 120 SC/SW NoUPC/EAN/GTIN: 4717784026626