The CST Zeppelin tire is perfect for the relaxed cyclist seeking comfort. With a width of 28 inches and an ETRTO size of 50-622, this tire is larger and holds more air than most tires, making it a comfortable ride. The suspension is built into the tire itself, giving you a floating feeling. This tire is suitable for city bikes and can also be mounted on e-bikes with pedal assist up to 25 km/h. Product specifications - Model: Zeppelin - Profile: C1635 - Tire size: 50-622 millimeters (ETRTO), 28 x 2.00 inches - TPI: 22 - Type: clincher - Weight: 1080 grams - Compound: single - Max PSI: 65 - Suitable for E-bike (max 25 km/h) - Primary base color: Gray - Usage: City - Puncture protection: Center - Reflection: Yes - Foldable: No - Tubeless compatible: No - Max pressure: "4.5"