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How many Head-Set Spacers are too many?

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How many Head-Set Spacers are too many?

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Old 07-24-20, 09:39 AM
  #26  
3alarmer 
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Originally Posted by branko_76

Given the higher than normal positioning of the stem, it's "plausible" that the extra stack height was chosen to facilitate higher handlebars.
...here's an example from my own bicycle design efforts. I was trying to design a lightweight urban bicycle around a track frame I got on sale and an internally geared hub.
This is about two inches shorter in frame size than what I usually ride, because I wanted a smaller frame for handling and a shorter top tube to bring the bar that much closer to the saddle for an upright position.

But I was starting out with a fresh frame, a threadless headset, and an uncut fork...which is how the bike came to me. It helped that the fork came fully chromed. I did not use spacers, rather a repurposed seat post clamp in the appropriate size. I probably wouldn't do something like this with drops and a threaded headset, or a raw steel fork steerer.


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Old 07-24-20, 09:42 AM
  #27  
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....
Another possibility is that the original owner of the Raleigh was dreaming of this but couldn't quite pull it off.........
....


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Old 07-24-20, 09:46 AM
  #28  
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When you are out of fingers and toes, probably too many.

Bikes that fit me in the legs are often not tall enough at the stem, so a longer fork steerer is needed just to fit. I completely understand the need for spacers +
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Old 07-24-20, 09:50 AM
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Originally Posted by 3alarmer
...here's an example from my own bicycle design efforts. I was trying to design a lightweight urban bicycle around a track frame I got on sale and an internally geared hub.
This is about two inches shorter in frame size than what I usually ride, because I wanted a smaller frame for handling and a shorter top tube to bring the bar that much closer to the saddle for an upright position.
I've been looking for a frame to accomplish the same thing but have never thought about using a smaller frame size until now. This gives me more options.
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Old 07-24-20, 09:58 AM
  #30  
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Originally Posted by Charles Wahl
Good catch! Who builds bikes to have that sort of stack height? I don't have any like that! was there some fixture one was expected to use on a touring bike, like a tall brake hanger or decaleur? One question for the OP: is the steerer overthreaded enough that it could simply be cut down to a size that required 1/2" less spacer stack?
The important thing is that the expander bolt has to be completely below the beginning of the threaded portion of the fork.
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Old 07-24-20, 10:40 AM
  #31  
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Originally Posted by gugie
The important thing is that the expander bolt has to be completely below the beginning of the threaded portion of the fork.
Well, that's a given -- one of the first precepts of building/using a bike; but if OP has a problem the stack of spacers (answer to thread title question is, I suppose, "not this many"), then as long as the max. insertion line is below the top of steerer tube (cut, or as-is), he's OK.
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Old 07-24-20, 11:23 AM
  #32  
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Originally Posted by Charles Wahl
Well, that's a given -- one of the first precepts of building/using a bike; but if OP has a problem the stack of spacers (answer to thread title question is, I suppose, "not this many"), then as long as the max. insertion line is below the top of steerer tube (cut, or as-is), he's OK.
At the risk of being Captain Obvious, every time we have one of these threads, I feel obligated to mention it. I have found that common sense isn't as common as many believe!

Insertion lines are good indicators when steerer threading limits are observed (disclaimer: I don't know what the maximum threads on a steerer should be). I have seen forks with way too many threads where the insertion line on the stem is giving you false confidence.
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Old 07-24-20, 01:20 PM
  #33  
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I just keep tightening the stem bolt until I hear that good crunching sound.
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Old 07-24-20, 07:30 PM
  #34  
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OP here. Thanks guys for the input on the bike. I acquired it from a guy in St. Louis who was in fact an amateur who built it up for a family member who never rode it once. It sat for 25 years. He got it, if I recall correctly, directly from Michael’s. I wanna say he was a friend of theirs. Not sure if he was the one who put the spacers there or if it was the shop. The frame was a bit too big for me so I put that stem there to bring the handlebar closer to the saddle. I am a woman and find that I have to do unorthodox things with old bikes to get them to feel comfortable hahaha. So the fact that the taller stem is paired with this steering column is totally a coincidence but worked well because it is really comfortable for me to ride as is. I put the saddle, stem, and handlebar there; the rest is as it was when I acquired it.

Last edited by palmerina; 07-25-20 at 06:29 AM.
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Old 07-24-20, 07:34 PM
  #35  
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Originally Posted by merziac
Depends, I did this on purpose for better reach later on.

Can't imagine the Raleigh came that way.

That is.... wow.
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Old 07-24-20, 09:27 PM
  #36  
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Originally Posted by palmerina
OP here. Thanks guys for the input on the bike. I acquired it from a guy in St. Louis who was in fact an amateur who built it up for a family member who never road it once. It sat for 25 years. He got it, if I recall correctly, directly from Michael’s. I wanna say he was a friend of theirs. Not sure if he was the one who put the spacers there or if it was the shop. The frame was a bit too big for me so I put that stem there to bring the handlebar closer to the saddle. I am a woman and find that I have to do unorthodox things with old bikes to get them to feel comfortable hahaha. So the fact that the taller stem is paired with this steering column is totally a coincidence but worked well because it is really comfortable for me to ride as is. I put the saddle, stem, and handlebar there; the rest is as it was when I acquired it.
Thanks for chiming in. The taller stem may have been a coincidence but you did most likely fix the mechanical issue some of us were concerned about. I think you're good, but when you have a chance, check that the stem's expander wedge is well below the weak threaded portion of the steering tube. That combo should work out for you well. Enjoy the bike.

Never mind us nerds bickering over technicalities that only matter to us...
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Old 07-24-20, 09:29 PM
  #37  
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Originally Posted by gugie
At the risk of being Captain Obvious, every time we have one of these threads, I feel obligated to mention it. I have found that common sense isn't as common as many believe!

Insertion lines are good indicators when steerer threading limits are observed (disclaimer: I don't know what the maximum threads on a steerer should be). I have seen forks with way too many threads where the insertion line on the stem is giving you false confidence.
Who is lacking the common sense you are referring to?

My original post was..."The owner of this bike insists the fork is original, I'm not so sure".....

The title ...."How many Head-Set Spacers are too many?"...was not really the question, it was meant to grab your attention. I would think Captain Obvious would figure that one out...


...

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Old 07-24-20, 09:47 PM
  #38  
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Originally Posted by branko_76
Who is lacking the common sense you are referring to?

My original post was..."The owner of this bike insists the fork is original, I'm not so sure".....

The title ...."How many Head-Set Spacers are too many?"...was not really the question, it was meant to grab your attention. I would think Captain Obvious would figure that one out...


...
Sounds like you took this personally! My reply was not to you, if you follow the quote. There's a thread inside a thread here, methinks.
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Old 07-24-20, 09:54 PM
  #39  
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Originally Posted by gugie
Sounds like you took this personally! My reply was not to you, if you follow the quote. There's a thread inside a thread here, methinks.
Personally and generally. Why phrase it (the "common sense" comment) that way?
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Old 07-24-20, 09:59 PM
  #40  
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Originally Posted by branko_76
Personally and generally. Why phrase it (the "common sense" comment) that way?
Sorry, didn't intend it that way.
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Old 07-24-20, 10:23 PM
  #41  
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Originally Posted by palmerina
That is.... wow.
Tx!

See the link in post #10 if you want.
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Old 07-24-20, 10:26 PM
  #42  
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Originally Posted by gugie
Sorry, didn't intend it that way.
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Old 07-25-20, 07:38 AM
  #43  
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Originally Posted by palmerina
OP here. Thanks guys for the input on the bike. I acquired it from a guy in St. Louis who was in fact an amateur who built it up for a family member who never rode it once. It sat for 25 years. He got it, if I recall correctly, directly from Michael’s. I wanna say he was a friend of theirs. Not sure if he was the one who put the spacers there or if it was the shop. The frame was a bit too big for me so I put that stem there to bring the handlebar closer to the saddle. I am a woman and find that I have to do unorthodox things with old bikes to get them to feel comfortable hahaha. So the fact that the taller stem is paired with this steering column is totally a coincidence but worked well because it is really comfortable for me to ride as is. I put the saddle, stem, and handlebar there; the rest is as it was when I acquired it.
Thanks for the update. Is there a mark on the stem indicating a minimum insertion point?

Also, as gugie stated, "The important thing is that the expander bolt has to be completely below the beginning of the threaded portion of the fork"

Is this the case?
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Old 07-25-20, 09:14 AM
  #44  
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Originally Posted by branko_76
Thanks for the update. Is there a mark on the stem indicating a minimum insertion point?

Also, as gugie stated, "The important thing is that the expander bolt has to be completely below the beginning of the threaded portion of the fork"

Is this the case?
Yes, there is one and the stem is installed well within its proper range. I’ll double check the position of the expander bolt; I think it’s OK because it’s a really long stem. Thank you!
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Old 07-25-20, 09:15 AM
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Originally Posted by Salamandrine
Thanks for chiming in. The taller stem may have been a coincidence but you did most likely fix the mechanical issue some of us were concerned about. I think you're good, but when you have a chance, check that the stem's expander wedge is well below the weak threaded portion of the steering tube. That combo should work out for you well. Enjoy the bike.

Never mind us nerds bickering over technicalities that only matter to us...
Thanks; I will check that. I appreciate all the feedback!
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Old 07-25-20, 09:24 AM
  #46  
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I have purchased 1” bore spacers 5, 10, 15mm in height from the local bike shop.
would much prefer that over a stack of washers.
i use a 5mm spacer of a few bikes that I assembled from new- consider it future proofing.
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Old 07-25-20, 10:16 AM
  #47  
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Would it be advisable to trim the fork? I mean I could do that if there was a real advantage. If it's just about aesthetics then I wouldn't bother.
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Old 07-25-20, 11:02 AM
  #48  
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Originally Posted by palmerina
Would it be advisable to trim the fork? I mean I could do that if there was a real advantage. If it's just about aesthetics then I wouldn't bother.
The only reason to keep it as-is would be if it fits your anatomy and riding style. If someone were to use it for touring or commuting, higher handlebars would be a plus. If it were to be used for sport riding or racing, then lower handle bars would be more appropriate.
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Old 07-25-20, 02:11 PM
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Originally Posted by branko_76
The only reason to keep it as-is would be if it fits your anatomy and riding style. If someone were to use it for touring or commuting, higher handlebars would be a plus. If it were to be used for sport riding or racing, then lower handle bars would be more appropriate.
Well it *is* a touring bike, designed and marketed as such.
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Old 07-25-20, 03:03 PM
  #50  
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Originally Posted by Salamandrine
The short answer is 2.

There was no reason to stack spacers BITD with quill stems. It just was not done.
Someone set this Cadex up like this... Obviously the steering rube goes up to the top nut. IDK how far the threads go down. Either Cadex forks (pural of fork) came through long and needed cutting, which was not done in this case, or this is the wrong Casex fork.

Going to check threading soon.
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