Motorcycle Inner Tube 80/100-21 TR4 Valve Stem*
TR4 Valve Stem: Straight Stem, Round Shape to fit on rims with a round valve base. Center.
Fits on these Tires: 80/100-21, 80/90-21, 90/80-21, 90/90-21, 100/80-21, 3....

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Motorcycle Inner Tube 80/100-21 TR4 Valve Stem*
TR4 Valve Stem: Straight Stem, Round Shape to fit on rims with a round valve base. Center.
Fits on these Tires: 80/100-21, 80/90-21, 90/80-21, 90/90-21, 100/80-21, 3.00-21
- Rim diameter: 21"
- Valve Type: TR4 (Centered, Straight Valve, Round Shape)
- Made of Thick Rubber Blend
- Heavy duty durable valve stem.
- Seamless construction
- Unbeatable performance and value.

This item is a universal/custom fit component, and does not have any direct standard/OEM model application.
Refer to your vehicle's owner's manual for inner tube sizing for your tires
Sizing information is provided by the manufacturer and does not guarantee a perfect fit
Please use this information as a guide only



  • Motorcycle Inner Tube 80/100-21 TR4 Valve Stem*
  • TR4 Valve Stem: Centered, Straight Stem, Round Shape to fit on rims with a round valve base.
  • Fits on these Tube Type Tires: 80/100-21, 80/90-21, 90/80-21, 90/90-21, 100/80-21, 3.00-21
  • Heavy duty durable valve stem.
  • Unbeatable performance and value.
  • Motorcycle Inner Tube 80/100-21 TR4 Valve Stem*
  • TR4 Valve Stem: Centered, Straight Stem, Round Shape to fit on rims with a round valve base.
  • Fits on these Tube Type Tires: 80/100-21, 80/90-21, 90/80-21, 90/90-21, 100/80-21, 3.00-21
  • Heavy duty durable valve stem.
  • Unbeatable performance and value.

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