Continental 29" Presta Valve Tube With great puncture resistance and low weight, this 29" tube calls for epic riding. At 225 grams a piece, you can be confident pedaling out on the terrain. Features All tubes are seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. All tubes are seamless and mold-cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem. Each and every tube passes a stringent 100% quality control inspection Presta valve, 60mm Weight: 225 grams | Continental | 29" Presta Valve Tube 29" X 1. 75 - 2. 5, 60Mm Presta Valve 225G
