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Schwinn world sport rear drop ou not milled all the way ?

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Schwinn world sport rear drop ou not milled all the way ?

Old 05-23-19, 06:50 PM
  #1  
srinath.the.man
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Schwinn world sport rear drop ou not milled all the way ?

Is this strange, or pretty much normal -




Basically the drop out isn't slotted all the way across on the drive side.
Thanks.
Srinath.
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Old 05-23-19, 07:38 PM
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Originally Posted by srinath.the.man View Post
Is this strange, or pretty much normal -




Basically the drop out isn't slotted all the way across on the drive side.
Thanks.
Srinath.
Looks normal to me. It's got the integrated derailleur dropout instead of one that bolts into the slot; so the slot doesn't need to be open as far back.
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Old 05-23-19, 07:41 PM
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Originally Posted by srinath.the.man View Post
Is this strange, or pretty much normal -




Basically the drop out isn't slotted all the way across on the drive side.
Thanks.
Srinath.
There's a version of this that has the rear portion milled out but leaving a center rib. When there is a skewer you cannot see a thing and it is frustrating trying to get the wheels back.... and then realizing you cannot
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Old 05-23-19, 09:33 PM
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That's a little weird, especially considering that the NDS dropout is milled all the way back.
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Old 05-23-19, 11:04 PM
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Perhaps the provision is for when a derailleur isn't specified. In that case the slot is needed for chain tensioning, whereas here it isn't.
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Old 05-24-19, 04:39 AM
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Originally Posted by Litespud View Post
That's a little weird, especially considering that the NDS dropout is milled all the way back.
I thought the same thing at first but on the NDS, you can see where the quick release has worn into the paint a bit. Likely there was a spacer in there.

I'd like to see a picture of the other side of the bike.
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Old 05-24-19, 05:02 AM
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Not a mistake.

If I remember rightly, that dropout design was introduced to ensure that the sprockets would be optimally positioned for the then-new indexing derailleurs. The NDS end was milled to enable centering of the wheel. That dropout design preceded the common use of vertical dropouts.

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Old 05-24-19, 06:28 AM
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Originally Posted by Trakhak View Post
Not a mistake.

If I remember rightly, that dropout design was introduced to ensure that the sprockets would be optimally positioned for the then-new indexing derailleurs. The NDS end was milled to enable centering of the wheel. That dropout design preceded the common use of vertical dropouts.
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Old 05-24-19, 06:44 AM
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srinath.the.man
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Ok, I am not fixie'ing this bike then. Cos its all intact and might as well keep it as a unit and sell it as such.
Thanks.
Srinath.
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Old 05-24-19, 08:07 PM
  #10  
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Originally Posted by Trakhak View Post
Not a mistake.

If I remember rightly, that dropout design was introduced to ensure that the sprockets would be optimally positioned for the then-new indexing derailleurs. The NDS end was milled to enable centering of the wheel. That dropout design preceded the common use of vertical dropouts.
That makes sense.
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Old 05-27-19, 07:49 AM
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This is so the axle is properly position wrt. the derailleur, but the longer slot on the NDS allows adjustment if the frame is not perfectly aligned.

Many less expensive bikes with horizontal dropouts use a 'claw' type rear derailleur, and the claw acts as a spacer exactly the same way as this short dropout.
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Old 05-28-19, 07:29 AM
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I love this forum. Someone posts a extremely esoteric question about a thirty year old, low-priced bike and someone else knows the answer.
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