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![SPEC PV TUBE 650BX2.3/3.0 40MM SPEC PV TUBE 650BX2.3/3.0 40MM](https://www.zerogchamonix.com/23623-medium_default/specialized-presta-valve-tube-650bx23-30-inner-tube-03115-0334-3-26032.jpg)
Standard Presta Valve Tube
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.
650BX2.3/3.0 40MM