Teravail Superlight Inner Tubes provide lightweight high performance featuring removable valves and .76mm wall thickness with industry renown reliability. 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: Lightweight tube with 0.75mm wall thickness Teravail Superlight packaging features environmentally friendly soy ink printing on recycled cardboard Specifications: Diameter: 29" ISO Diameter (ETRTO): 622 Valve Type: Presta Valve Length: 32 Removable Valve Core: Yes Puncture Protection: - Weight: -