Schwalbe Bike Inner Tube, 27.5″ x 1.5 – 2.4″ (AV21) The Schwalbe (AV21) Inner Tube 27.5” Schrader keeps the air much longer due to the purity of the rubber compound and the uniform wall thickness. They are extra light but with the same reliability as standard. Though they are extra light, they promise the same reliability as the standard variants. This Butyl rubber compound prevents pressure loss and fewer occasions to inflate making it extremely reliable. Features & Benefits: Quality control for safer cycling Schrader Valve (Car / Auto Valve) Includes Dust Cap Compatibility: Fits the following tyre sizes: 44-584 | 26 x 1 5/8 | 650 x1/2B 44-584 | 26 x 1 1/2 x 1 5/8 | 650 x 42B 47-584 | 27.5 x 1.75 | 650 x 45B 40-584 | 27.5 x 1.50 | 650B 47-584 | 27.5 x 1.75 | 650B 50-584 | 27.5 x 2.00 | 650B 54-584 | 27.5 x 2.10 | 650B 57-584 | 27.5 x 2.25 | 650B 60-584 | 27.5 x 2.35 | 650B 62-584 | 27.5 x 2.40 | 650B 44-584 | 27.5 x 1.65 | 650 x 42B 44-584 | 27.5 x 1.65 | 650B 44-584 | 26 x 1 5/8 x 1 2/2 | 650 x 42B 54-584 | 26 x 1 1/2 x 2 40-584 | 27.5 x 1.50 | 650 x 38B 40-584 | 26 x 1 5/8 x 1 1/2 | 650 x 38B 42-584 | 27.5 x 1.60 | 650B
