Giant Superlight Bicycle Tube 27.5 x 2.1-2.4 - Presta Valve 48mm Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Giant Superlight Bicycle Tube 27.5 x 2.1-2.4 - Presta Valve 48mm Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...