Q-Tubes 650b/27.5"" Diameter Presta Tube These 650B presta valved tubes (screw top) are replacement tubes for your 650B wheels. Keep a few spares around to be prepared for a flat! 32mm valve Presta valve Removable valve core...
Store | Price |
Jenson USA | [show price] |
I had various tubes from Quality, but Q-Tubes Standard 650B/27.5 in. Presta Tube be the high-grade!