Gravel riding is incredibly fun, but flat tires, not so much. This tube is the answer for 650B wheels. Slide it in a jersey pocket, or handlebar bag and roll with confidence.
- For 650B tires with 37 to 44mm width.
- Compatible with MEC Provincial Trail bike.
- Made with high-quality butyl rubber.
- 42mm presta valve.
|Ideal for||Mountain biking|
Bicycle tubes are valve-specific. Presta – narrow, with a built-in valve cap that you loosen when pumping up the tire and tighten again afterwards. Schrader – wide, with a pressure valve similar to those on a car tire.
|Fits tire||650B x 37-44|