YunSCM 2-PCS Tubos para Bicicleta 700C 700x18C/23C/25C FV48mm Válvula Presta 18/25-622 Tubos Interiores de Bicicleta 700C Compatibles 700x18C 700x19C 700x20C 700x21C 700x22C 700x23C 700x24C 700x25C (G-273)