How does it feel to be an hours ride from the nearest town and not have to worry about getting a puncture? Amazing.Our revolutionary airless tyres are 100% puncture-proof. Made from a closed-cell-polymer-foam material they have no inner tube (that\'s right, no inner tube). They are super light-weight, low rolling-resistance, comfortable and have amazing grip in all riding conditions. A game-changer? 100%.Designed to be the ultimate all-round tyre, Shield gives more contact on the road, which in turn delivers enhanced handling and comfort. Perfect for leisure or city cyclists, it has the equivalent of 80 psi to provide excellent cushioning on every ride.Key Features:Compound: Aither 1.1+,Hardness: R,PSI: 80,Weight (g): 570,Etro: (40-406),.Specifications:Speed: 4/4,Durability: 5/5,Grip: 5/5..