Schwalbe outer tire Marathon Mondial This Schwalbe outer tire features Double Defense plus technology, which means the tire has an effectively protective fabric layer. Specifications: Inch size: 28 x 1.40 ETRTO size: 37-622 Type of bicycle: city bike, electric bike Tire type: wire tyre Reflection: yes Anti-leak: yes Color: black Material: rubber Weight: 580 grams Tire pressure: 4.00/6.00 bar (55/85 psi) EPI: 67 Product Type: HS428