All tubes are mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem.
Each and every tube passes a stringent 100% quality control inspection.
Presta valve is threaded
584 ISO Diameter
Butyl rubber seam sealed tube
approx 215g - 265g
You Choose: 32mm (standard) valve stem or 48mm valve stem
**Special return policy for inner tubes** Tubes can only be returned because if a manufacture's defect is at fault – separation a bond at a seam or valve joint. A tube can not be returned due to a puncture, improper installation or tearing at the valve joint.
