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Schwalbe Presta - SCV Conversion Kit

After I banged the back of my hand against the cassette for the umpteenth time when pulling off the pump head or the head of the presta valve broke off, I tried the Clik Valve. What a relief how easily I now click the pump head on and off and how easily they let air through. I have replaced the valves on all the bikes at home with this.

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