Because it's hard to know when you're going to get a flat, it's always good to have extra tubes on hand. Specialized's Turbo Ultralight Road Tube w/Talc is lightweight to save rotational weight. The Talc lets the tube move easier inside the tire for a better ride with fewer flats.
|700 x 18-23c (32mm valve)||719676451015||0306-0205||TUB23914337O|
|700 x 18-25c (45mm valve)||719676451022||0306-0207||TUB278154698|
|700 x 18-25c (60mm valve)||719676544304||0308-0210||TUB28649885C|
|700 x 18-25c (80mm valve)||888818134250||03116-0275|