2.50 x 10 Inner Tube for Chinese Dirt Bikes and Honda CRF50 XR50 Yamaha Pw50 Suzuki Kawasaki Pit Bike Motocross Quality 2.50 x 10 inner tube TR4 Metal valve stem Fits all Pit Bikes and Dirt Bikes with 10" rim up to 2.75 inches wide. As Pictured