Heat Shrink Cable Ends
I have been reading in the forums about heat shrink end caps for bike cables. Where do you find them?
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My LBS gives me cable end crimps when I ask for them. These you can just pinch onto the cable ends. They come in various sizes.
Al |
Heat shrink tubing, the plastic sleeves you see on wiring, can be bought at Radio Shack and other electronics stores. Auto parts stores may also stock it. Various colors available.
Some brands heat to a harder consistancy than others, but I don't know a reliable means of determining that. In my VERY limited experience, the glossier stuff seems to set harder. Not that it matters in this application. |
Originally Posted by FlatTop
Heat shrink tubing, the plastic sleeves you see on wiring, can be bought at Radio Shack and other electronics stores. Auto parts stores may also stock it. Various colors available.
Some brands heat to a harder consistancy than others, but I don't know a reliable means of determining that. In my VERY limited experience, the glossier stuff seems to set harder. Not that it matters in this application. |
The tubing I buy from Sear's Hardware comes in packages of a 6 pieces about 4" long each. It comes in various diameters and the smallest I've found is 1/8" which will shrink enough to give a good fit on brake cables but not quite enough to stay on derailleur cables.
I cut a 1/4" or 3/8" length for each brake cable end and shrink them in place with a Bic lighter flame. |
Originally Posted by HillRider
The tubing I buy from Sear's Hardware comes in packages of a 6 pieces about 4" long each. It comes in various diameters and the smallest I've found is 1/8" which will shrink enough to give a good fit on brake cables but not quite enough to stay on derailleur cables.
I cut a 1/4" or 3/8" length for each brake cable end and shrink them in place with a Bic lighter flame. |
Originally Posted by MoRick
I have been reading in the forums about heat shrink end caps for bike cables. Where do you find them?
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Just out of curiousity, is this method better than crimp on ends? If so, why?
Steve |
Originally Posted by cheeseflavor
Just out of curiousity, is this method better than crimp on ends? If so, why?
Steve I like to solder the tips instead of crimp on ends because : -the cables won't fray, -if the solder layer is thin, you can pull the cable thru the housing and reinsert without fraying -it looks clean I cannot solder stainless steel cables. |
Originally Posted by cheeseflavor
Just out of curiousity, is this method better than crimp on ends? If so, why?
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Also, my local hardware store (LHS) sells shrink tubing. Home Despot has it too. It's cheap. A match or lighter is all that is needed to shrink the tubing over the wire. I like to slip over a 1" piece of tubing before I cut the wire, and position the tubing where I want, then shrink it. Then I'll cut the last 1/4" of tubing and the underlying wire. This makes for a clean cut and prevents any fraying.
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Most electronic/computer supply houses sell heat shrink tubing in a varity of colors, diameters, in 3' lengths. I use a $15 heat gun for shrinking tubing on tool handles, battery packs, etc. Thinking about putting some on new crank arms to try and prevent scratches.
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Soldering is really the superior method but doesn't work with stainless steel cables without flux and solder specifically made for this material.
The crimp-on caps work but heat shrink tubing is cheaper and easier to remove when changing cables. |
When using heat-shrink tubing, try to apply the heat evenly (i.e., keep moving the flame around the tubing). Just remember that your goal is to heat the tubing; not ignite it.
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Originally Posted by HillRider
Soldering is really the superior method but doesn't work with stainless steel cables without flux and solder specifically made for this material.
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Originally Posted by MudPie
I like to solder the tips instead of crimp on ends because :
-the cables won't fray, -if the solder layer is thin, you can pull the cable thru the housing and reinsert without fraying -it looks clean I cannot solder stainless steel cables. Steve |
Originally Posted by MudPie
What does one look for when purchasing such solder and flux?
Originally Posted by neilG
You need to use an acid, or corrosive flux with stainless steel. A 50-50 or 60-40 solder should work.
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First I heard of this.....................sweet!
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I use heat shrink tubing, but I apply epoxy first. I use a hair dryer to shrink the tubing. The heat causes the epoxy to set up quickly. The tubing can still be removed for maintenance. Epoxy doesn't bond to plastic very well.
I've also used Plasti-Dip on cable ends. It works well, but you have to let it dry overnight. |
The only warning I give to you, dear readers, is don't use this as a conversation topic at a party. There's a reason why I am still single. |
Bit OT for this thread, but if anyone has experience of using heat-shrink on braided steel brake hoses, could you share it in this thread here
Thanks |
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