Butyl Tubing by German tire manufacturer SCHWALBE
Butyl tube with high airtightness and durability.
The wide range of sizes and abundant product lineup with good elongation make it suitable for all tire sizes.
The valve core can be removed for all types of tires (British, American, and French), making it easy to inject sealant and puncture protection agents.
| Size: 20x1 1/8(451) , 20x1 3/8(451) (ETRTO :28/37-438/451 ) |
| Valve shape：French |
| Valve length: 40mm |