Extra Heavy Duty 4mm Inner-Tube

• Run at lower pressure for less pinch flats
• Run longer before needing replacement
• A must for off-road motorcycle enthusiast
• TR4 straight valve stem

 Weight is about 3lbs for 21" and 4lbs for 18 and 19" tube sizes

Available Sizes:

• 2.75x21 fits tire sizes
• 80/90-21
• 80/100-21
• 90/80-21
• 90/90-21
• 2.75x21
• 3.0x21

• 4.10x19 fits tire sizes
• 110/90-19
• 120/80-19
• 120/90-19
• 4.25 x 19 Tire

• 4.10x18 fits tire sizes
• 110/90-18
• 110/100-18
• 120/80-18
• 120/90-18
• 130/70-18
• 130/80-18
• 4.25 x 18

 WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For further information, go to www.P65Warnings.ca.gov.