- 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.
- 622 ISO Diameter
- Butyl rubber seam sealed tube
- You Choose: 1 or 2 and 32mm, 48mm or 60mm valve stem
**Special return policy for inner tubes** Tubes can only be returned because if a manufacture's defect is at fault ƒ?? 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.