Campagnolo Shamal Carbon 700c Wheel SETThe only Gravel Certified Campagnolo wheels, with EKAR compatible N3W Freehub Body Hole Free upper bridge for tape free tubeless setup Carbon construction with Campagnolos G3 spoking system for maximum power transfer and Disc Brake performance 21mm internal channel for compatibility with 25, 28, and 30mm tires 2 Way Technology allows for either clincher or tubeless setups Black on Black Dark Label graphics TECH SPECS Rim Internal Width 21mm Wheel Tire