Amazon.com : Continental Tour 28 Slim Tube 700 x 28-37C Schrader Valve Inner Tube : Sports & Outdoors
Continental Ride Tour - 28 Inch at BikeTiresDirect
CONTINENTAL Tire Grand Prix 28" | 700 x 28C BlackChili PolyX-Breaker, 27,50 €
Continental Grand Prix 5000 S Tr Tubeless Ready Tlr Tyre – Black Tan 700 X 25/28/30mm Road 28" Tubeless Ready Folding Tire - Bicycle Tires - AliExpress