Dunlop designed the GrandTrek ST30 tires using their advanced Jointless Band technology, which retains the tire's shape throughout the years and enhances steering and stability at high-speed levels. Its asymmetrical tread design and wide circumferential grooves deflect water away from the tire's footprint and hence increase the tire's grip on wet surfaces. Tires branded with M+S (mud and snow) deliver exceptional traction in wet and dry conditions. The GrandTrek ST30 features Multi-Pitch Tread Design Technology that aids noise reduction during driving.