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: 27.5 x 2.1-2.4
- ISO Width (mm): 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60
- Shaft Type: Smooth
- ISO Diameter: 584 / 650b / 27.5"
- Valve: Presta Med 41-55mm
- Valve Core: Fixed
- Weight: 200
- Tube Compound: Butyl