Specialized 40mm Valve Stem Presta Tube 650b x 1.75-2.4" (584mm)

Our Standard Presta Valve Tubes feature a molded method of construction that ensures a consistent thickness of butyl rubber. This means that they don't have any unnecessary weight and will roll smooth, ride after ride.

Specifications:

• Valve Type: Presta Valve
• Size: 27.5/650b x 1.75-2.4
• Valve Length: 40mm stem