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Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

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Old 01-23-09, 07:22 PM   #1
jgg3
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Da Vinci cable couplers

Last year, I bought a pair of DaVinci cable couplers so that I could use single-bike length cables. During the season, I installed the derailleur one, but didn't need to touch the brake, so I left it for this winter's overhaul. Now I find that the brake cable "head" doesn't actually fit inside the coupler. Did I miss something here? I didn't think there were two different kinds/sizes of couplers. I got mine at Tandems East.

Another question: I learned, from experience, that putting one of these in the middle of a long span under the boom tube is a bad idea. I had to put a piece of foam tape to keep it from pinging at every bump. I am planning on putting it close to the rear BB shell to minimize that. Is there an ideal place for these?
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Old 01-23-09, 08:21 PM   #2
cornucopia72
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There is two sizes of couplers one for each size cable.
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Old 01-23-09, 08:51 PM   #3
tandem rider
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The cable couplers on my tandem have 2 rubber donuts around them to keep from hitting the frame. I don't know what kind they are. You might look for couplers with donuts around them.
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Old 01-23-09, 09:05 PM   #4
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Originally Posted by tandem rider View Post
The cable couplers on my tandem have 2 rubber donuts around them to keep from hitting the frame. I don't know what kind they are. You might look for couplers with donuts around them.
I have the o-rings as well, but it still makes a pretty solid ping when you have it at mid-span! Sure, it is better than metal on metal, but extremely annoying. I just put it at 4 inches from the captain BB shell. With any cable tension at all, it now cannot get to the frame.
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