Campagnolo Cable kit on 1990 De Rosa
06-18-20, 06:01 AM
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Campagnolo Cable kit on 1990 De Rosa
I splurged on getting the complete kit for my De Rosa build. It is 10V build with Record parts. Since nearly every component is Campy, it should have Campy cables and housings!
The issue I ran into is the RD cable at the braze on. The kit gave me this
The lower part is suppose to provide protection from dirt entering the housing and is located on the cable side of the braze on. That is easy to understand. What isn't is the bellows are attached to the chrome terminal. The pig tail is ....What? The cable housing does not have a "pocket" for it to reside.
To make things even more complicated, the braze on is a straight through hole without a step.
How does this all fit together?
The issue I ran into is the RD cable at the braze on. The kit gave me this
The lower part is suppose to provide protection from dirt entering the housing and is located on the cable side of the braze on. That is easy to understand. What isn't is the bellows are attached to the chrome terminal. The pig tail is ....What? The cable housing does not have a "pocket" for it to reside.
To make things even more complicated, the braze on is a straight through hole without a step.
How does this all fit together?
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06-18-20, 06:40 AM
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Does this article shed any light? https://www.bikeradar.com/advice/wor...sealed-cables/
It might be a bit of overkill and unnecessary; sometimes those sorts of little rubber covers actually retain and hold dirt and water, making it worse.
You can get a "stepped ferrule" for that cable guide.
It might be a bit of overkill and unnecessary; sometimes those sorts of little rubber covers actually retain and hold dirt and water, making it worse.
You can get a "stepped ferrule" for that cable guide.
06-18-20, 08:11 AM
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Does this article shed any light? https://www.bikeradar.com/advice/wor...sealed-cables/
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06-18-20, 10:32 AM
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The bellows covers the bare cable between the stop on the RD and the cable clamp itself - to prevent crud ingress at the RD end of the cable housing. It's a bellows to cover the different exposed length of bare cable as the RD is shifted. I had a Gore Ride-On cable set on my Chorus 10 drivetrain years ago - best cable set ever, but that's another story - that included such a bellows. You need a stepped ferrule for the chain stay stop - the ferrule with the "snout" will go into this, with the snout pointing forward, to reduce crud ingress from the bare cable running along the stay.
06-18-20, 10:50 AM
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I removed the bellows from the ferrule. It makes sense that I need a step down.
The only one I could find was on the bay for $10! The cable housing is 4.3mm the hole in the braze on is 4mm. Doesn't need much of a step. The ferrule shown above is 5.7mm OD and 4.3+mm ID.
Any suggestions of an alternative source?
The only one I could find was on the bay for $10! The cable housing is 4.3mm the hole in the braze on is 4mm. Doesn't need much of a step. The ferrule shown above is 5.7mm OD and 4.3+mm ID.
Any suggestions of an alternative source?
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06-18-20, 12:39 PM
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Found a step down ferrule in a packet of left over Jagwire cable parts.
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06-18-20, 01:15 PM
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I've never used those bits with the bellows on any of my bikes, so I can't help with that. Another thing to keep in mind is that they include extra ferrules for the shift cables, but not the brake cables (because Campagnolo no longer call for a ferrule at the lever or the caliper). If you have a bike with a rear brake routing that is interrupted, you might want to use ferrules and so you will have to source them separately. Pretty sure they are 5mm, but double check.
06-19-20, 05:14 AM
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I've been there before, and I also had to order a separate step-down. The ones I found were cheap, so I ordered a couple of different styles and went with the one that fit best, but I don't remember the dimensions off the top of my head.
I've never used those bits with the bellows on any of my bikes, so I can't help with that. Another thing to keep in mind is that they include extra ferrules for the shift cables, but not the brake cables (because Campagnolo no longer call for a ferrule at the lever or the caliper). If you have a bike with a rear brake routing that is interrupted, you might want to use ferrules and so you will have to source them separately. Pretty sure they are 5mm, but double check.
I've never used those bits with the bellows on any of my bikes, so I can't help with that. Another thing to keep in mind is that they include extra ferrules for the shift cables, but not the brake cables (because Campagnolo no longer call for a ferrule at the lever or the caliper). If you have a bike with a rear brake routing that is interrupted, you might want to use ferrules and so you will have to source them separately. Pretty sure they are 5mm, but double check.
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Bikes don't stand alone. They are two tired.
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06-20-20, 05:51 PM
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Took the left side Ergo apart today and had concern putting it back together. Worked it out so now both are up and running with fresh grease, well still good 1973ish fresh! Bolt thread locked in place.
Mounting is next then starts the cable installation.
Mounting is next then starts the cable installation.
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Bikes don't stand alone. They are two tired.
Bikes don't stand alone. They are two tired.
