The Sunlite 650c Standard Presta Tube fits 650c x 18–23 tires, also commonly listed as 26 x 1 road-style sizing. These tubes use ISO 571 fitment and are available with 32mm, 48mm, and 60mm Presta valve options.
Select variants use threaded valves, while others use smooth valves. All listed versions use a 0.9mm wall thickness and removable valve core. Choose the valve length and valve style that best matches your rim depth and service preference.
