Description
A quality inner tube is the foundation of reliable tire performance—cuts, pinches, and air loss compromise both safety and handling. The IRC Standard Inner Tube delivers OEM-equivalent construction with proven butyl durability, ensuring consistent pressure retention and puncture resistance whether you’re running street or track. Trust a tube engineered to match your tire’s performance potential.
- Size: 21 inches
- Valve Type: TR-4
- Construction: Butyl rubber
- Quality: OEM-equivalent
- MPN: T20078
- Installation: Bolt-on
- Fitment: Motorcycle-specific






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