Pirelli SporTube Tube – 29 x 2.1-2.3″, 48mm, Presta Valve

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: 29 x 2.1-2.3
• ISO Width (mm): 53 , 54 , 55 , 56 , 57 , 58
• Shaft Type: Smooth
• ISO Diameter: 622 / Road / 29″
• Valve: Presta Med 41-55mm
• Valve Core: Fixed
• Weight: 210
• Tube Compound: Butyl