Tube Bontrager-Electra 20 x 4.2" Schrader Valve Black

Wide-volume inner tube from Bontrager for 20-inch fat-tire bikes, including Electra models with 4.2-inch tires. Match the size to the numbers printed on your tire sidewall.

• Size: 20 x 4.2 in
• Valve type: Schrader (the same wide valve style used on car tires; works with most gas-station and standard pumps)
• Use: Sized for high-volume plus or fat-bike tires
• 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.