Do I have "B" Style Shifter Bosses?
03-12-12, 01:28 PM
#1
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Do I have "B" Style Shifter Bosses?
After posting my initial shots of my '85 Raleigh Kodiak, it was mentioned (by Bianchigirll) that I may have "B" Type bosses exclusive to Shimano.
These are funky looking (sorry for the not-so-hot shots) and I have a bad feeling about them, but I need confirmation.
If they are "B Types", can anyone suggest downtube shifter cable stops that would play nice with these?
Thanks everyone.
These are funky looking (sorry for the not-so-hot shots) and I have a bad feeling about them, but I need confirmation.
If they are "B Types", can anyone suggest downtube shifter cable stops that would play nice with these?
Thanks everyone.
03-12-12, 02:35 PM
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Yes, those are made to work with Shimano Shifters. I believe there are/were washers to make them campy compatible.... I have no idea about their availability.
Here is a set that I had:
DSC01255 by mkeller234, on Flickr
DSC00924 by mkeller234, on Flickr
Here is a set that I had:
DSC01255 by mkeller234, on Flickr
DSC00924 by mkeller234, on Flickr
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03-12-12, 02:41 PM
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03-12-12, 02:44 PM
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AH the Kodiak. I do not believe anyone makes a cable stop to fit on these. I am afraid you options are limited to doing some not very attractive like using a clamp above or below those bosses. I believe a mamber or two have had some success in modifying regular cable stops to fit these.
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03-12-12, 02:46 PM
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03-12-12, 03:02 PM
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I do not believe anyone makes a cable stop to fit on these. I am afraid you options are limited to doing some not very attractive like using a clamp above or below those bosses. I believe a mamber or two have had some success in modifying regular cable stops to fit these.
03-12-12, 03:09 PM
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Scroll down the page and you can read reviews by others as well.......
Shimano STI Downtube Cable Stop and Adjuster
Last edited by Stealthammer; 03-12-12 at 03:18 PM.
03-12-12, 03:20 PM
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See how the OP's is round at the bottom?
Compared to a 'normal' boss
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Last edited by Bianchigirll; 03-12-12 at 03:24 PM.
03-12-12, 03:25 PM
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I have used them successfully myself on lots of bikes but...not on those bosses with the round base. Most housing stops like that that I have seen rely on the square base of the boss to keep them from spinning and are not designed to fit over the style of boss the OP has.
03-12-12, 03:35 PM
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OH I see a perfect fit! Now I just need a 4.5m screw about 1" long to hold it.
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03-12-12, 04:07 PM
#11
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Ran into this a few weeks ago when I added bar end shifters to my '84 Supercourse. After reading few threads saying it's possible to modify Shimano cable stops by grinding out a notch to accommodate the braze on. I tried doing this with a Dremal. I'm usually pretty handy with stuff like this, but it didn't work out for me. Maybe I had the wrong type of cable stops to begin with.
My Raleigh, and I believe your kodiac came with a flick stand that doubles as a cable stop on bikes equipped with stem shifters.
This is what I'm doing for now. Not real happy with how it looks, but it's functional.
Edit: Of course, if you don't have the plastic piece for the flick stand. This information is useless.
My Raleigh, and I believe your kodiac came with a flick stand that doubles as a cable stop on bikes equipped with stem shifters.
This is what I'm doing for now. Not real happy with how it looks, but it's functional.
Edit: Of course, if you don't have the plastic piece for the flick stand. This information is useless.
Last edited by brian3069; 03-12-12 at 04:12 PM.
03-13-12, 07:22 AM
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Interesting idea Brian.
Does anyone else have any input on this?
Does anyone else have any input on this?
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03-13-12, 10:14 AM
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I've used them on several early '80s and newer frames that originally had Shimano DT shifters, and they fit perfectly.
Shimano STI Downtube Cable Stop and Adjuster
Shimano STI Downtube Cable Stop and Adjuster
03-13-12, 10:54 AM
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I've used them on several early '80s and newer frames that originally had Shimano DT shifters, and they fit perfectly.
Scroll down the page and you can read reviews by others as well.......
Shimano STI Downtube Cable Stop and Adjuster
Scroll down the page and you can read reviews by others as well.......
Shimano STI Downtube Cable Stop and Adjuster
I stuck that adaptor on my bike to show how it fits/doesn't fit. Yes it may work but not the way it was designed to work.
These adaptors wether 'flat back' for larger tubed frames or "concave back" for steel frame are both designed to sit down on the square base of the shifter.
The problem with using them as in the pic I posted is that the only thing holding it firmly in place is the screw (assuming you either found a 4.5m screw long enough to hold it or used a bottom tap to rethread your boss) and it is possible for the adaptor to rotate on the keyway of the round based adaptor.
Now it is your frame/bike and you can do whatever you like to to but IMHO anything you do is worth doing right and not mickeymoused.
If you really want to use these I strongly suggest breaking out the dremel and some jeweler files and getting to work and make it fit nicely and strong.
Other wise C&V up and stick with friction shifting.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk
“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk
03-13-12, 11:14 AM
#15
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The problem I had, even after grinding the cable stop to fit over the shifter boss. The 4.5m screw wasn't long enough to secure the stop tight to the frame. I think it would have worked with a longer screw, I'm not willing to re-thread the shifter boss to 5m.
03-13-12, 11:19 AM
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Brian, are you saying that a 5m screw would be long enough but the boss is not threaded deeply enough to accept the screw to keep the cable stop attached to the frame tightly?
03-13-12, 11:30 AM
#17
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The cable stop requires a longer screw then a shift lever. The Shimano bosses use a imposable to find 4.5m screw. If the threads were 5m, a screw the needed length could be had at any hardware store.
03-13-12, 12:37 PM
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I modified my campy levers to fit that boss.
Drilled a hole in the lever inside the rim (round part) and inserted a steel pin to act as a stop.
03-13-12, 01:48 PM
#19
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Here's one done by BF member philg, looks pretty good. I might pick up another set of cable stops and try it again.
https://www.bikeforums.net/showthread...ube-Boss-shape
https://www.bikeforums.net/showthread...ube-Boss-shape
03-14-12, 04:57 AM
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I have worked on literally thousands of bicycles and motorcycles over the past 40 years and my shops and garages have always been basically small machine shops, so it is possible that I needed to do some minor tweaking or massaging to get a few sets to seat them evenly on different frames. But any modifications that would have been needed would have easily accomplished with a hand file I am sure.
I apologize for not remembering exactly what was needed in each particular case, but I am quite certain that any necessary tweaking is well within the abilities of the average C&V enthusiast.
I apologize for not remembering exactly what was needed in each particular case, but I am quite certain that any necessary tweaking is well within the abilities of the average C&V enthusiast.
04-10-12, 11:09 AM
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The Kodiak saga continues
I like the passion shown in this thread and the advice/comments helped me push through challenges to modify the cable stops I currently had to work around the Shimano shifter boss issue. My solution is not perfect nor is it permanent (assuming I keep and restore the bike fully). In the end, I believe my solution works but it's not quite as streamlined as the shot brian3069 posted below.
Check out the full disclosure on my blog posting.
Check out the full disclosure on my blog posting.
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04-13-12, 10:37 PM
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Great stuff. Thanks everybody.
In my case, I don't care about getting a functional result, it's going to be a fixed gear so I don't need a cable stop at all, its really just an aesthetic issue. Is there an easier solution for me since I don't need a functional cable stop?
In my case, I don't care about getting a functional result, it's going to be a fixed gear so I don't need a cable stop at all, its really just an aesthetic issue. Is there an easier solution for me since I don't need a functional cable stop?
04-14-12, 09:08 AM
#25
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Great stuff. Thanks everybody.
In my case, I don't care about getting a functional result, it's going to be a fixed gear so I don't need a cable stop at all, its really just an aesthetic issue. Is there an easier solution for me since I don't need a functional cable stop?
In my case, I don't care about getting a functional result, it's going to be a fixed gear so I don't need a cable stop at all, its really just an aesthetic issue. Is there an easier solution for me since I don't need a functional cable stop?