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Thread: RD hanger dimensions (frame builder help?)

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    Default RD hanger dimensions (frame builder help?)

    BREEZER DROP WITH REPLACEABLE-STAINLESS STEEL HANGER :: ROAD DROPOUTS :: STEEL DROPOUTS :: DROPOUTS :: Nova Cycles Supply Inc.

    Can anyone tell me the dimensions of this hanger (specifically the actual length from center of dropout to center of derailleur mount)?
    -Dustin

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    Default Re: RD hanger dimensions (frame builder help?)

    I have one at home I can measure for you tonight.
    - Brad Comis

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    Default Re: RD hanger dimensions (frame builder help?)

    The distance from the center of the axle hole to the center of the derailleur mounting hole is 29mm (+/- 0.5mm measurement error). The RD mount looks to be mounted about 14mm behind the axle (assuming the drop out slot is referenced as to be vertical).
    - Brad Comis

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    Default Re: RD hanger dimensions (frame builder help?)

    Quote Originally Posted by WheelNut View Post
    The distance from the center of the axle hole to the center of the derailleur mounting hole is 29mm (+/- 0.5mm measurement error). The RD mount looks to be mounted about 14mm behind the axle (assuming the drop out slot is referenced as to be vertical).
    Awesome, thank you. Is this on a bike your currently have, or do you just have one sitting around? Those numbers fall outside of SRAM spec, so I’m wondering if that’s the source of some issues I’m having with a frame I’ve got.
    -Dustin

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    Default Re: RD hanger dimensions (frame builder help?)

    It's not assembled onto a bike yet and I have never used it on another frame, so I don't have any practical experience (yet) with this dropout.
    - Brad Comis

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    Default Re: RD hanger dimensions (frame builder help?)

    Looking at https://www.sram.com/sites/default/f..._2017_road.pdf the "X" dimension I stated is not quite measured the same way. If I measured it the same then the dimension would be a bit smaller I think, but I don't know for sure. The "L" measurement I gave should should be correct (29mm).

    I'm also looking at the Campagnolo RD mounting dimensions and there is barely any overlap between the "X" dimensions. SRAM 7-10mm and Campy 4-8mm, Shimano is 4-10mm for shorter hanger and 6-10mm for longer hangers.

    The RD hanger on that dropout looks like it is probably cast stainless to me, so I wouldn't try to bend it if I were you unless you already have a spare. If there is a framebuilder local to you it is maybe possible that they could machine you a different hanger that will fit your mounting specs perfectly.
    - Brad Comis

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