The Schwalbe Narrow 20-Inch French Inner Tube (Wheelchair) - SV7B/32-451, 25-451 is a reliable inner tube highly valued by bicycle retailers for its high reliability. This inner tube is specially designed for wheelchairs.

• Inflated and tested for air tightness for 24 hours at the factory
• Holds air pressure longer than other inner tubes
• Extremely elastic and fits multiple tire sizes
• Number 19A for tire size from 27.5 inches to 29 inches and width from 40 to 62 mm
• 100% fully recyclable

This Schwalbe inner tube is made with a very high butyl content and exceptionally clean material, ensuring longer air pressure retention. The group tube system allows this inner tube to fit various tire sizes, making it a versatile choice for wheelchair users. Furthermore, the tire is fully recyclable, making it an environmentally friendly option.