Challenge CX/Gravel Latex Tube 700 x 28/35mm 47mm valve Sprocket Barcode: 4026495492195

Barcode: 4026495492195

Model: 31957

Pre/Post Extender

Barcode: 036121710375

Barcode: 812719023108

Challenge CX/Gravel Latex Tube 700 x 28/35mm 47mm valve Sprocket Barcode: 4026495492195Challenge produces the only seamless 'one piece' latex inner tubes on the market providing a smooth, balanced ride with no pucker or bump like those found on other tubes. Latex tubes are lighter, thinner and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. Includes a removable core Presta valve making them compatible with both inline and external valve extenders. Brand: Challenge