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Presta "French" Valve | by Rick Cogley
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Presta "French" Valve

A close up of the presta valve on the old tube. You unscrew the top bolt a little when pumping. You can see the bolt that has to be removed when replacing the tube to let the valve pass through the rim, between my fingers. See en.wikipedia.org/wiki/Presta_valve .

 

Changing my rear wheel's inner-tube after the flat on my first 100 km ride. The culprit was the end of the spoke that had broken a few weeks ago; it had worked its way into the rim tape, and caused the tube to pop. —Rick Cogley ( rick.cogley.info )

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Taken on September 2, 2009