Schwalbe SV20 Extra Long 60mm 28" 700x27-28C Presta Valve Inner Tire - 1 Tube Schwalbe SV20 Extra Long 60mm 28" 700x27-28C Presta Valve Inner Tire - 1 Tube

Airtightness. Schwalbe tubes retain air pressure considerably longer. The quality and the material purity of the rubber mixture directly effects the quality of the tube. Each Schwalbe tube is individually...

Airtightness. Schwalbe tubes retain air pressure considerably longer. The quality and the material purity of the rubber mixture directly effects the quality of the tube. Each Schwalbe tube is individually...