The Fringe has a grouping of tightly spaced ramped knobs for low rolling resistance with larger more aggressive shoulder and corner knobs for inspired corneringDependable single compound with tread for hardpack or loose over hard conditionsSC - Single compound casing for a durable, dependable tireStandard24x2.8507WireBk/Blk6062060SCNoUPC/EAN/GTIN: 6933882523548