The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges, giving straight-line control and precise cornering SC - Single compound casing for a durable, dependable tire 2PLY - Two full 60 TPI casings with reinforced sidewalls intended for Downhill riding Standard 26x2.5 559 Wire Bk/Blk 65 1180 60 60a SC/2PLY NoUPC/EAN/GTIN: 4717784019734