CST Xpedium Ampero is the best choice for E-bikes, especially for those who ride up to 50 km/h. This tire is approved by Dekra and carries the official ECE quality mark. With a 60-thread carcass and an EPS anti-puncture layer, this tire is very durable and protects against sharp objects on the road. The tire is suitable for use on E-bikes up to 50 km/h. Specifications: - Primary base color: Black - Type: Xpedium - Usage: City - Puncture protection: High - Reflection: Yes - Foldable: No - ETRTO: 40-622 - Maximum pressure: 5.2 bar - Inch size: 28 - Carcass TPI: 60 Please note: This tire is not suitable for tubeless use and has no studs.