Zipp:
Introducing the Tangente Butyl Tube with Aluminum Presta Valve 37mm (use with Tangente Valve Extender and Wrench), 700x35-42. This provides a convenient back up for road or trail-side, or an alternative for those not yet running a tubeless setup. The Tangente Course G40 gravel tire is tubeless ready for use with sealant, but it also is compatible with tubes