The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges, giving straight-line control and precise cornering 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