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  2. Presta valve - Wikipedia

    en.wikipedia.org/wiki/Presta_valve

    The valve threads for Presta valves follow the ISO 4570 standard. [7] The external threads at the tip of both "threaded" and "unthreaded" Presta valves are 5V2 (#12-24TPI), which measures out to 5.2×1.058 mm, [ 8 ] the same thread size as the tip of a Dunlop valve.

  3. Valve stem - Wikipedia

    en.wikipedia.org/wiki/Valve_stem

    Presta valves (also called Sclaverand valves or French valves) are normally only used on bicycles. The stem has a narrower diameter (nominally 6 mm) than the thinnest (nominally 8 mm) Schrader type, and so the bore of the hole in the rim through which the stem passes can be smaller. Has a locknut that needs to be opened to inflate/deflate. [17 ...

  4. Schrader valve - Wikipedia

    en.wikipedia.org/wiki/Schrader_valve

    Schrader valves are also viewed as more complex (requiring two seals over one). They weigh 4 to 5 grams (0.14 to 0.18 oz) more than Presta valves. [8] Schrader and Dunlop valve stems are 8 mm in diameter, whereas Presta valve stems are 6 mm, allowing Prestas to be used on narrower, high-performance rims as on road racing bicycles. Another ...

  5. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Larner–Johnson Valve: needle control valve often in large sizes used in water supply systems; Leaf valve: one-way valve consisting of a diagonal obstruction with an opening covered by a hinged flap; Line blind valve: a thin sheet oriented perpendicular to the pipe. The sheet has a solid end and a flow-through end; sliding it from one position ...

  6. List of bicycle parts - Wikipedia

    en.wikipedia.org/wiki/List_of_bicycle_parts

    Valve stem or simply valve: port for adding or releasing air from the inner tube. Two types are commonly used: Presta and Schrader. A third type, the Woods/Dunlop valve, can still be found in Europe and Asia. Wheel: as in common usage. Traditionally and most commonly spoked; Wingnut: for attaching wheels before the development of the quick ...

  7. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.

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