Features

• "Real butyl tubes" made from 100% butyl polymer, unlike other "butyl" tubes, which are blended with butyl polymer and natural rubber
• Each tube is individually boxed with a full range of sizes and valve stem types clearly marked on each box end
• 100% butyl tube minimizes natural air leakage while maintaining air pressure for a longer period of time

• Specs

  Product Name	Inner Tube
  Type	Motorcycle
  Material	Butyl
  Duty	Standard
  Inner Tube Valve Stem Type EU	TR-4
  Inner Tube Valve Stem Type US	TR-4 (round base) Center Metal Valve (threaded and nuts)
  for Rim Size	21"
  Tube Fits Tire Size	90/100-21 / 2.75-21 / 3.00-21 / 100/80-21 / 80/100-21 / 90/90-21
  Mounting Position	Rear
  Units	Each
  Riding Style	Adventure Touring / Dual-Sport / Street / Offroad