MICHELIN tube width 80 / 100-21 or 90 / 90-21 right valve

Here is the super-reinforced MICHELIN inner tube, right valve, specially designed for cross / enduro bikes!

With a thickness of 4mm, it has been designed to withstand even more punctures depending on the nature of the terrain in which you ride.

It lands on 21-inch wheels ranging from 80 / 100-21 to 90 / 90-21.