Indoor-training has never been so technical! Vittoria's Zaffiro Pro Home indoor trainer tire is designed for smooth-rolling and quiet everyday home training. Casing: 26 TPI Nylon - This bike tire trainer has a special compound and tread pattern, plus our strongest casing, expressly designed to disperse heat and reduce noise generated by home cycling. Installing Vittoria's Zaffiro Pro indoor trainer tire will reduce your noise and vibration levels greatly. Silent cycling plus no signs of wear and tear for several hundred miles of smooth riding. Easy to assemble! The process of fitting this trainer folding tire onto the rim is extremely straightforward and fast! Calibration of the tire-to-roller will be achieved easily. Recommended pressure: 58 - 87 psi The best bicycle trainer tire for indoor riding. Keep your race tires clean and safe for race day, and spend your indoor-training miles on the Zaffiro Pro Home Trainer!