Schwalbe MTB inner tube, 27.5 inches, 650B, AV21, car valve, set of 2 Etrto: 40/62-584, valve: car valve, container: 1, weight: 205 g, design: butyl, code: AV21 suitable for: 40-584, 47-584. 50-58 54 // 54-584 // 57-584 // 60-584 // 60-584 100% recyclable rubber // Schwalbe.com / tube recycling value offer 2 pieces - set