Tubes: All Sizes/Types

- Designed to improve rotational stability by decreasing rotational mass at the valve body - Lightweight aluminum Presta-valve body - Removable valve core - Extenders are available and sold separately

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