Specialized Presta Valve Standard Inner Tube 650b X 1.75-2.4 40mm 03114-0333

Specialized Presta Valve Standard Tube 650b X 1.75-2.4 40mm Valve The latest innovation to hit the mountain bike scene is 650b mountain bikes and the American company has designed the Specialized 26 x 3.8-4.8 Presta Valve Inner Tube 40mm for just these machines. The 650b specific inner tube features a 40-millimetre Presta valve, which makes it easy to inflate using a range of floor and mini pumps. Strong butyl rubber has a consistent thickness for added durability and to provide puncture protection.