The Schwalbe Road Cruiser is a great tire for road cycling. This tire is made of Green Compound, a rubber made from renewable and recycled resources. Specifications: Color: black Material: rubber Inch-size: 20 x 1.75 ETRTO size: 47-406 Type of tire: wire tire Type of bike: touring bike, city bike Weight: 545 grams Tire pressure: 3 - 5 bar EPI: 50