The SporTube is the most classic cycling butyl inner tube; the standard interpretation of the most-used air retention system in the world. A complete range offers the size and specification for every kind of cyclist and discipline, from road cycling to urban commuting.

• Butyl construction
• Disc and rim brake compatible
• Black valve stem

• Labeled Size: 700 x 23-30
• ISO Width (mm): 23, 24, 25, 26, 27, 28, 29, 30
• Shaft Type: Smooth
• ISO Diameter: 622 / Road / 29"
• Valve: Presta Med 41-55mm
• Valve Core: Fixed
• Weight: 120
• Tube Compound: Butyl