SET OF TWO: Motorcycle Inner Tube 130/90-15 - TR4 Straight Valve Stem - fits on 5.00/5.10-15 | 130/80-15 | 140/80-15 SET OF TWO: Motorcycle Inner Tube 130/90-15 (5.00/5.10-15) TR4 Valve Stem TR4 Valve Stem: Straight Stem, Round Shape to fit on rims with a round valve base. Fits on these Tube Type Tires: 5.00/5.10-15, 130/80-15, 130/90-15, 140/80-15 Heavy duty durable valve stem. Unbeatable performance and value.