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  1. #1
    Junior Member
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    What do these terms mean?

    I've recently gotten into biking more seriously, and with that I've realized that I don't know what the hell certain words or terms mean.
    For example, when I read about a frame, I see words like butted, double-butted, offset horizontal drop out, forgedeleived
    and so on.
    Please help me out, and post what these mean and any other things that have to do with frames.

  2. #2
    Senior Member
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    Sep 2008
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    Swobo Folsom, Diamond Back Master TG, Mongoose Alta, Huffy Daisy Tandem
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    Welcome! When I was new to cycling I just cruised around the internet and slowly learned the meaning of all the terms.
    Butting generally refers to the way variable wall thicknesses are made into a frame to to achieve lower weight while maintaining strength. Double butting refers two having to different wall thicknesses, usually thicker at the ends than in the center.
    Horizontal dropouts have a slot for the axle that is horizontal and often long enough to allow ease of chain tensioning.
    It consists of uniform heating of a structure to a suitable temperature below the transformation range, holding at this temperature for a predetermined period of time, followed by uniform cooling.


    From http://www.ayzar.com/english/estabilizado.html :

    Forge relieving is applied to relieve stresses that remain locked in a structure as a consequence of a manufacturing sequence, welding, cutting, smelting, initial mechanized or forge.
    This treatment supplies to pieces a great dimensional stability previously to the application of:

    • other heat treatments
    • mechanized
    • assemblies

    The control system of these equipments enable us to process the pieces at any range of temperature.

  3. #3
    Senior Member
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    Lots of framebuilders bits are named here.
    There is a good bike glossary here

  4. #4
    Junior Member
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    Thanks a lot, both of you. The internet glossaries helped a ton.

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