Tube Bontrager Thorn Resistant 20X1.9-2.125 Schrader Valve

Thorn-resistant inner tube from Bontrager for 20-inch kids' bikes and BMX. Match the size to the numbers printed on your tire sidewall.

• Size: 20 x 1.9–2.125 in
• Valve type: Schrader (the same wide valve style used on car tires; works with most gas-station and standard pumps)
• Construction: Thicker tube walls than a standard tube for added resistance to thorns and small debris
• Brand: Bontrager

A good spare to carry or keep at home. Not sure of your size or valve? Bring your wheel to Mybike LA and we'll match it.