Maxxis Ultralight Tube / 700x33/50c / 60mm Presta

Lightweight and durable racing tubes with 0.60 mm thick walls. 0.60 mm thin walls Lightweight and durable racing tubes Presta & Schrader valves Presta valve with RVC is Removable Valve Core What Size Do You Need? Check and compare the relevant numbers on your existing tyre or tube with the sizes listed here. Tubes are available with various valve types. Choosing a valve is dependent on application and the rim's valve hole diameter. Presta Valve: - Synonyms: Presta/French Valve (FV) - Outer Diameter: 6.5 mm - 60mm Valve Length