When building your featherweight dream bike, don't forget the tubes! MICHELIN's Aircomp Ultralight tubes are nearly weightless for minimum rolling resistance and maximum speed.
Weight: 69 grams (40mm valve); 72 grams (60mm valve)
|650 x 18-23c (40mm Presta valve)||086699129857||12985||11660|
|650 x 18-23c (60mm Presta valve)||086699519115||51911|