Giant 27.5 x 1.90/2.40 Tube Schrader Valve 40mm FREE shipping within Australia over AU$99.00 In stock. Available via Buy Online Share Loading Facebook Like button... Giant 27.5 x 1.90/2.40 Tube Schrader Valve 40mm FREE shipping within Australia over AU$99.00 In stock. Available via Buy Online Share Loading Facebook Like button...