Q-Tubes Presta Valve Inner Tubes feature a wide variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability. Note: Q-Tubes are being phased out and replaced by Teravail Tubes. Inventory and packaging may not match the product picture. In all cases, Teravail Tubes will serve the same functional range as their predecessors at a minimum, and, in some cases, Teravail tubes may serve a broader functional range. Features: .9mm wall thickness Removable Presta valve core Q-Tubes Standard Line packaging features environmentally friendly soy ink printing on recycled cardboard Specifications: Diameter: 26" ISO Diameter (ETRTO): 559 Valve Type: Presta Valve Length: 32mm Removable Valve Core: Yes Puncture Protection: - Weight: -