Schwalbe Marathon Plus outer tire Specifications: Inch size: 28 x 1.50 ETRTO size: 40-622 Type of bicycle: city bike, electric bike Tire type: wire tyre Reflection: yes Anti-leak: yes Color: black Material: rubber Weight: 960 grams Tire pressure: 6.00 - 8.00 Bar (85- 115 psi) EPI: 67