Size: 20 x 1-3/4 S7Fits: S7 Schwinn TiresValve Type: Schrader ValveValve Length: 33mmValve Core: RemovableValve Stem: SmoothValve Angle: 0dBrand: DuroTube 20 x 1-3/4 S7 33mm Standard Schrader/ValveSKU: 250306$4.99PriceQuantity*Add to Cart