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PostPosted: Thu Oct 24, 2013 12:46 pm 
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So I've been thinking, and searching, why would one not want to spray a dash of silicon lubricant in gear and brake cable housing. I'm thinking the friction reduction will be noticeable. Yet my online searches reveal very little of these kind of attempts (none actually), so I'm thinking maybe there is a good reason not to?

I.e build up of silicon that will clogg the housing or whatever?

Has anyone got a reason not to do it?

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Posted: Thu Oct 24, 2013 12:46 pm 


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PostPosted: Thu Oct 24, 2013 2:36 pm 
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I've tried to spray silicon spray in cables and while they greatly reduce friction in the short term, over time the lubricant thickens (just like on your chain) and friction increases exponentially. This process is quicker if you ride in harsh wet conditions.

Guess that's why coated teflon cables work and liquid sprayed teflon lubrificants do not.

PS: Ive tried this with inner liner type systems and standard cable systems

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PostPosted: Thu Oct 24, 2013 3:45 pm 
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Ahh thanks, I was very much afraid that might be the reason. Glad to know for sure, before I sacrifice a new cable set :)

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PostPosted: Fri Oct 25, 2013 2:44 pm 
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Lubricating your cables is really a necessity. The trick is finding a lubricant for it. Rock'n'Roll lubes makes a product called Cable Magic that does the trick, but like most of their products, it's expensive.
Finding the proper carrier for the lube is the most important thing. My old boss had been using a mixture of TriFlow, WD40 and mineral spirits on all customer bikes for about 10 years without problem. Just like chainlube, I had to reapply some every now and then, especially after wet rides or washes, but it significantly improved my shifting performance and brake feel.


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PostPosted: Fri Oct 25, 2013 4:09 pm 
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I actually don't use liquid lube on PTFE coated cables, but do use some dry chain lube on regular non-coated stainless cables. Which I in turn for the most of it don't use on the main bikes.

The idea of silicon spray was to get a non-liquid coating inside the cable housing, primarily for use with PTFE coated cables...

I find that lubed cables draw in a bit of grit in the cables unless you have sealed ferrules, but those in turn add A LOT of drag vs non-sealed ferrules.

But that's just me, I know a lot of other people who swear by different setups.

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PostPosted: Fri Oct 25, 2013 4:40 pm 
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I find that very little grit gets into the cables, and the stuff that does comes out with a wet ride or washing.
But like you said, different strokes for different folks.


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PostPosted: Sun Oct 27, 2013 6:39 am 
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You can try shimano special grease. It's a silicon impregnated grease that doesn't tend to gum up over time. On cabling installs, I run a very thin coat of grease along the cable, and put a dab between ferrule and housing. Lube with tri-flow per taste.

This makes the most noticeable difference on "coarser" cables, i.e. brake cables, campy cables, and to some degree, shimano sis cables.


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PostPosted: Sun Oct 27, 2013 10:05 am 
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I wasn't actually aware Shimano sold the SP41 grease in bulk, but I will give that a try on the Jagwire teflon coated cables next time. I like the idea of having non-sealed ferrules with some grease in them too, would have to be the right grease though and this seems to hit the spot. Will also apply a light coat on the cable.

Not that I've been unsatisfied with my dry, unsealed setups (on Jagwire housing and cables atleast), but this is weenies so there is always room for incremental improvements, right? :)

Thanks for the Shimano Special Grease tip, will put it to use.

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PostPosted: Sun Oct 27, 2013 1:56 pm 
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I'm not normally this pedantic, but....... it's Silicone

http://en.wikipedia.org/wiki/Silicon

http://en.wikipedia.org/wiki/Silicone

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PostPosted: Sun Oct 27, 2013 2:35 pm 
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Sorry, English is not my native language, in Swedish silicone translates to 'silikon'. I hope it hasn't completely ruined your day.

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PostPosted: Sun Oct 27, 2013 2:48 pm 
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No need to apologise. Your English is much better than my Swedish :)

Even among English speakers, it's a common mistake.

No one else had picked it up, so I did.

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There's sometimes a buggy.
How many drivers does a buggy have?

One.

So let's just say I'm drivin' this buggy...
and if you fix your attitude you can ride along with me.

http://www.youtube.com/watch?v=GekiIMh4ZkM


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PostPosted: Mon Oct 28, 2013 12:10 pm 
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Get some dlc cables.. Clean them every now and then ;)

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PostPosted: Mon Oct 28, 2013 12:24 pm 
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I've always done this
and until now never seen the downside...


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Posted: Mon Oct 28, 2013 12:24 pm 


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