Michelin C4 Aircomp Ultra Light 26x1.5-2.2 MTB Presta TubeMichelin C4 Aircomp Ultra Light 26x1.5-2.2 Presta Tube. Now anyone can get the advantage of our remarkably light "Service Course™" ultralight butyl tubes. The combination of the Aircomp® Ultra-light tube's extremely lightweight and consistent Michelin quality make these an obvious choice for high performance applications.086699145321