Universal Heavy-Duty Motorcycle Tuff Tube (05120310T) by Kenda®. Rim Diameter: 12". Tire Size: 80/100. Valve Type: TR-4. Tuff Tubes by Kenda heavy duty butyl rubber "Tuff Tubes" designed to resist punctures and pinch flats. Fits all popular MX sizes! Tuff Tubes are 2 times thicker than OEM tubes and are designed specifically for Motorcross and Off Road use. Tuff Tubes by Kenda 2.5 mm heavy duty butyl rubber "Tuff Tubes" designed to resist punctures and pinch flats. Fits all popular MX sizes! Tuff Tubes are 2 times thicker than OEM tubes and are designed specifically for Motorcross and Off Road use.

• 2.3mm-2.4mm thickness
• High-quality metal valve stems
• Top-grade natural rubber compounds