BIKEMASTER TUBE 80/100-21 TR6 HEAVY DUTY 374668

Designed to perform on the track or the trail. Whether you ride hard-pack or sand, the natural rubber compounds of the BikeMaster® Heavy-Duty tubes are durable. With increased wall thickness, these tubes provide better puncture and pinch flat protection to keep you riding.

• Seamless construction with increased wall thickness
• Individually packaged with the part number and size on each box
• Natural rubber compound with reinforced valve stems