Twin Power Heavy Duty Motorcycle Inner Tubes TR6 Metal Center Valve / 120/90-18 | 4.00/4.50-18 [Open Box]

Item Condition: This is a new item that is missing the original packaging or the packaging has been opened. Tags, manuals, or installation instructions may be missing, however the item is fully functional.

Twin Power Heavy Duty Motorcycle Inner Tubes

Top quality inner tubes for all of the popular sizes of American V-Twin and Custom tires.

Features:

• Seamless, natural rubber construction
• Heavy duty valve systems
• Valve types available in metal side, metal center, and rubber center
• TR-4 and TR-6 metal center valve stem
  • TR-4 uses an oval-shaped rubber transition from valve to the body of the inner tube
  • TR-6 uses a round rubber transition
• Metal valve stems use lock nuts

Note: TR-4 and TR-6 valve stem styles can be used interchangeably.