Continental Xynotal Tire - 29 x 2.40, Tubeless, Folding, Black, Endurance, Trail Casing, E25The Xynotal tire provides control over hardpack, rocky surfaces. With low rolling resistance and contact edges for improved traction and braking, you can enjoy a fast gravity ride with the confidence of continuous grip when you need it most. Endurance Compound features high durability construction in combination with good rolling resistance and grip; a top choice for trail riding or as a endurance focused compound for e Bikes Trail Casing features a