Aerothan Tube SV20EXL Presta; 700 x 23 - 28 (23 to 28 - 622) 41g 80mm valve Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Aerothan Tube SV20EXL Presta; 700 x 23 - 28 (23 to 28 - 622) 41g 80mm valve Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...