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Old Stem or New Stem

Old 03-27-13, 04:11 PM
  #1  
tomn
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Old Stem or New Stem

Hi All,

I made a new stem for my touring bike. I wanted to solicit some opinions about the new upward sloping stem before I cut the steer tube. I photoshopped it for this post. When I made the first stem I wanted it to match the the top tube angle, but it gave it a very elongated headtube/stem look. I know its not a big thing, but what do you think? Old stem on the left, new stem on the right.



Thanks,
Tom
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Old 03-27-13, 05:05 PM
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rodar y rodar
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Asthetically, I like the classid "7" shaped quill for traditional looking road bikes, but think both of those look equally at home on a touring beast. I`ve gone to even steeper upslopes on mine because it`s just a simplier and more direct piece and less likely to conflict with my knees (not that I had a big problem with knee-stem contact before).

Beyond that...
You made it yourself? Cool
I find mitering the horizontal piece is easier with close to a right angle, more time consuming and a little bit tricky with a 45* upward angle that I use. It looks like you put a threaded boss into the side. Is that to mount some sort of rack or decaleur?

EDIT: Before you cut the steerer? It isn`t a quill stem?

Last edited by rodar y rodar; 03-27-13 at 05:08 PM.
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Old 03-27-13, 05:12 PM
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[QUOTE= It looks like you put a threaded boss into the side. Is that to mount some sort of rack or decaleur?[/QUOTE]

Hi Rodar,

Good eye. It is a boss for a bell. It's on the flip side of the old stem. I put it on some times, and not others, but if there is a chance include the boss when you are brazing it up. Frame building is one handy hobby for a cyclist. I made the frame too.

Tom
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Old 03-27-13, 05:17 PM
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So these are Virtual stems? . Threadless steerer, ? ..

They work fine with the actual stem sandwiched between spacers above and Below..

Dont be in a haste to get out the Hacksaw It wont Grow back..

My Touring bike that has a Threadless fork was too short , the BBB BHP 21 stem raiser was hard to find

to bring it back up to where it would have been if i had the opportunity to say no to cutting..

NowI have 2 stems on the same steerer, 1 for the handlebar bag mount

picture hosted here : https://www.cyclofiend.com/working/20...clark1008.html

if the stem extension is level with the Horizon,It can be a place to attach stuff, as can the stack above the headset..


not yet installed on the steerer spacer stack, when I took the picture is one of Mike Ahrens' Wise Crackers ,
to open those pesky microbrews that dont have twist tops.

Previous build, Touring bike , I thought about packing in the box to fly away,
and so the stem and bars worked together to come apart. easily..
Bars were split in 2 sections and the stem had pinch bolts on the edges of a wide face plate ..

used 2 narrow randonneur bars to make a wide one too.. worked good.
it was a threaded fork , left long, and threaded down more .

Might have used Sheldon's unthreaded/threaded headset steerer trick if the headset were made then..

IRD's quill stem trick was cool too, when they were in Selma OR , the emerald triangle, on 199..

wedges on both ends , so loosening the bolt let you pull the quill out .


Render a Close Up and try to make it more detailed.. (hard to see)

Down the coast.. Just across the Columbia from you , now...

Last edited by fietsbob; 03-27-13 at 05:21 PM.
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Old 03-27-13, 05:39 PM
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Hi Fietsbob,

I'll try to post closer pictures. They are both finished stems on a threadless steer tube. If nothing else your reference to the Wise Cracker was worth the post. I'm running it around in my head now. I think it might go well with my bottle cap stem cap from niner bikes:

The bike has s&s couplers, so shortening the steer tube should help it fit in a smaller box.

I have several pictures of my bike right after it was built: https://www.flickr.com/photos/click-s...57624505281671.

Cheers,
Tom
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Old 03-27-13, 05:44 PM
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Originally Posted by fietsbob View Post
Previous build, Touring bike , I thought about packing in the box to fly away,
and so the stem and bars worked together to come apart. easily..
Bars were split in 2 sections and the stem had pinch bolts on the edges of a wide face plate ..
Wow. Do you have a picture or two?

Tom
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Old 03-27-13, 05:45 PM
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New stem is more visually appealing to me. You could have posted this as a "poll" and we could vote .
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Old 03-27-13, 06:11 PM
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Originally Posted by Sachelis View Post
New stem is more visually appealing to me. You could have posted this as a "poll" and we could vote .
Thanks for the input. I couldn't figure out how to post larger pictures, and the "poll" prompt was a bit confusing. I guess I haven't posted in a while.

Cheer,
Tom
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Old 03-27-13, 06:22 PM
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I prefer the old stem - left. Great stem, you said you fabricated it yourself? I don't like the stub stick up, what is the purpose of that?

Great job on the bike.
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Old 03-27-13, 06:48 PM
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Originally Posted by tomn View Post
It is a boss for a bell. It's on the flip side of the old stem. I put it on some times, and not others, but if there is a chance include the boss when you are brazing it up. Frame building is one handy hobby for a cyclist. I made the frame too.
Nice. Do you have more pics of the bike posted up somewhere on the internet? Are you a hobbyist builder? If so, how did you get your paws on the couplers?
I was just about to put bosses on my last stem
https://www.bikeforums.net/showthread...er-bolt-method
but decided I was going to ditch the bike, so left the stem rattle canned and never went back to modify them. I`ll probably do that on the next though, or go back and put them on the stem I linked to if I use it on another bike. I did build one frame from scratch (a short wheelbase recumbent). It was fun, but turned into such a huge project that I doubt I`ll ever start another one. Stems, racks, and modified frankenbikes are better for my short attention span.

Originally Posted by revolator View Post
I don't like the stub stick up, what is the purpose of that?
I was wondering about that too, but I thought it looked handy
Going back to the top pics, I think it`s a mount for his elbow rests. Lots of other potential uses, though.
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Old 03-27-13, 06:49 PM
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Originally Posted by revolator View Post
I prefer the old stem - left. Great stem, you said you fabricated it yourself? I don't like the stub stick up, what is the purpose of that?
Great job on the bike.
Hi Revolator,

Thanks. The stub stick up is a "head tube extension". I included the head tube extensions on previous bikes for myself so I could get the right bar height with a quill stem. It does give it an unusual look. I included it on this bike to add a "wheel flop" devise. For this bike I wanted to have a solution for having my front wheel pivoting when "parked". My solution was a boss brazed on the back of the head tube, and a matching hole in the steer tube. I tried a spring loaded pin that was threaded into the boss at first, it wasn't skookum enough. Now I have a locking through pin. I was willing to put up with the unusual look.

Cheers,
Tom
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Old 03-27-13, 07:09 PM
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Originally Posted by rodar y rodar View Post
Nice. Do you have more pics of the bike posted up somewhere on the internet? Are you a hobbyist builder? If so, how did you get your paws on the couplers?
I was just about to put bosses on my last stem
https://www.bikeforums.net/showthread...er-bolt-method

Oh My God, that makes me feel so inadequate! I did make a four bolt face plate for both of my stems, but I feel like a caveman. The frame is a bit better than that. Here is a link to pictures:
https://www.flickr.com/photos/click-s...57624505281671
I was going to make a business out of framebuilding, about fifteen years ago. now it is a hobby. For the s&s couplers I went to a hand made bicycle show in Portland and asked around until I found a guy that would take my tubes and braze in the couplers. He ordered the couplers and mitered the top and down tubes. It was the perfect solution.

Tom
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Old 03-27-13, 10:27 PM
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rodar y rodar
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Originally Posted by tomn View Post
Oh My God, that makes me feel so inadequate!
By gum, that makes two of us then.
Very nice bike, Tom- lots of neat and unusual details. Thanks for the Show N Tell.
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