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Soldering wiring guides on steel frame?

Old 09-03-21, 10:41 AM
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Reynolds 
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Soldering wiring guides on steel frame?

After 11 years and 50,000kms I'm going to strip and brush-paint (thanks randyjawa!) my steel hybrid frame. I use dynamo lighting with the wires fastened with zip ties. Thought to make guides from thin sheet metal and tin soldering them to the bare frame. Never seen it done before, what do you think of it?
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Old 09-03-21, 10:48 AM
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On a steel frame I think I’d consider internal routing before soldering tubing onto the frame.

Dan
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Old 09-03-21, 10:51 AM
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Since the wire guides/clips will see very little tension on them and should one come off the results is not likely to be a immediate safety situation I sat YES, simple plumbing solder should be fine. Consider looking at the K&S model metal tubing offers before making your own clips. They offer cool brass tubes in small diameters and thin walls that are easily manipulated, filed, sanded. Andy
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Old 09-03-21, 11:11 AM
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No problem. I have silver soldered/brazed many Shifter and Cable Bosses to my steel frames. I use a little Harbor Freight touch and plumbers silver solder with regular copper pipe flux. It's no biggy but you should do a few test runs on similar tubing. I also make sure the frame and bosses are clean and sanded to expose raw metal.

https://framebuildersupply.com/collections/braze-ons
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Old 09-03-21, 04:48 PM
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Originally Posted by zandoval
No problem. I have silver soldered/brazed many Shifter and Cable Bosses to my steel frames. I use a little Harbor Freight touch and plumbers silver solder with regular copper pipe flux. It's no biggy but you should do a few test runs on similar tubing. I also make sure the frame and bosses are clean and sanded to expose raw metal.

https://framebuildersupply.com/collections/braze-ons
Be certain to get ALL of the flux off of the metal to avoid corrosion, a hot detergent solution works well.
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Old 09-03-21, 09:15 PM
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I used glue on hydraulic cable guides on the frame and rear rack. I cleaned the paint with alcohol stuck them on then to make sure they stayed on I used a little Shoe Goo.
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Old 09-04-21, 10:44 AM
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Thanks all! I'll give it a try.
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Old 09-06-21, 05:39 PM
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Soldered 3 guides, all went OK.
Before finishing:



Finished:

This guides are 6mm diameter and they will be used for my Nexus cable & dynamo wiring.
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Old 09-06-21, 05:43 PM
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Originally Posted by Reynolds
... I'm going to strip and brush-paint (thanks randyjawa!) my steel hybrid frame...
How are you going to strip it? Sorry to be off topic a little...
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Old 09-06-21, 09:32 PM
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Originally Posted by cyrano138
How are you going to strip it? Sorry to be off topic a little...
I used a scraper made with an old hacksaw blade and some sandpaper. Took me about 1 1/2 hrs.
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Old 09-06-21, 11:27 PM
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Originally Posted by Reynolds
I used a scraper made with an old hacksaw blade and some sandpaper. Took me about 1 1/2 hrs.
Thanks!
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Old 09-07-21, 01:06 AM
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Having seen this I am planning on doing something similar on some of my bikes

As I also use dynamos but dislike having wires wrapped around the frame I sometimes run the wires through brake housing and then clip that to the frame.



IGH and front-to-rear dynamo housings
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