Aerothan Tube SV20EL Presta; 700 x 23 - 28 (23 to 28 - 622) 41g 60mm valve 2023 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Aerothan Tube SV20EL Presta; 700 x 23 - 28 (23 to 28 - 622) 41g 60mm valve 2023 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...