Vittoria Zaffiro Pro V Tire - 700 x 25, Clincher , Folding , Black/Tan, 1C, G2.0The training tire benchmark includes a strong nylon casing, secure grip, and long tread life. Using a mixed tread design, optimized for all around use, the Zaffiro works well in a range of training conditions. Add the durable folding nylon casing, and you get a performance oriented training tire at a great price. Additional puncture resistance belt at the center of the tread Extremely durable and lightweight folding tires for training Functionalized