Tubes: All Sizes/Types

- Valve type: Schrader - Valve core: Removable - Valve stem: Smooth - Butyl rubber - Wall thickness: 0.9mm

- Butyl rubber - Removable valve core - Schrader valve - Wall thickness: 0.9mm

- Butyl rubber - Economy tube - Wall thickness: 0.9mm - Removable valve core

- Valve type: Presta - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

Thanks to the lightweight aluminum valve and butyl rubber construction, Zipp's Tangente Butyl Tube weighs only 89 grams. So it reduces that ever-critical rotational mass making your wheels lighter and your bicycle easier to pedal too. This fine tube is also made of .85mm-thick rubber for excellent reliability. The valve is 37mm long and features a removable core. - Weight: 89 grams - Valve length: 37mm