- Semi-slick, file-style tread designed for high-speed gravel racing across firm terrain with large corner knobs that provide predictable, confident cornering - Dynamic: UHP compound delivers ultra-low rolling resistance, enhanced grip, and long-lasting durability - Race casing - a 120tpi nylon with reinforced sidewalls to improve strength by 67% - E25 - are rated for use with E-Bikes up to 25kph (15mph)