cable cover wearing carbon lacquer

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buggi

Bird Saviour
Location
Solihull
i noticed today that the cover on my brake and gear cable is wearing the lacquer off my carbon. tips on how to stop this please?? sticky tape i suppose?
electricians tape?
 

zophiel

Veteran
Location
Glasonbury
 

zacklaws

Guru
Location
Beverley
I use copter tape on my Secteur Elite (not carbon) from here -> CLICK ME

That stuff looks good, seems a bit pricey, but if you compare it to the pads you buy, when you cut it up even a 250cm strip would give you a far lot more for your money, then a kit would. Think I will have to invest in some.

If a job like this is not donesoon, it is not only paint and laquer that gets dammaged but the frame itself, I have an aluminium bike, which not only has the paint wore away but also the aluminium on the steering tube and left a deep groove in it.
 

summerdays

Cycling in the sun
Location
Bristol
I bought some helicopter tape from http://www.biketart.com/products/biketape to cover my son's bike when he scratched the frame on its second outing... the tape has done its job and stuck down well (for 1 1/2 years now) ... I would use it on my next bike to stop the usual knocks it gets from the locking it up in stands next to other people (or our shed :whistle: ), plus the obvious places such as where the cable rubs on the frame.
 
An alternative to sticking stuff on your frame is to cover the cable with something that won't do any damage, like BBB Cablewrap;

http://www.dotbike.c...ductsP5245.aspx

(Link chosen for best image, google for best price ;))
I can't see how that works.

The cover will move with the cable and no matter how soft it is it will still wear through the lacquer or paint because of the friction. Tape or patches would be the better option.
 

P.H

Über Member
I can't see how that works.

The cover will move with the cable and no matter how soft it is it will still wear through the lacquer or paint because of the friction. Tape or patches would be the better option.

Then you'd sue BBB and get a new bike... No, it works because it's the softer material that wears, that's engineering at it's most basic.
 
Then you'd sue BBB and get a new bike... No, it works because it's the softer material that wears, that's engineering at it's most basic.
It isn't quite like that, the softer material will wear more quickly but there will still be wear on both surfaces. That's why a tungsten carbide cutting tool will still suffer wear even though it is only cutting mild steel.
 

P.H

Über Member
Yes of course, you're right, I missed the smiley of my last post, sorry, here it is :hello: better late than never...


It isn't quite like that, the softer material will wear more quickly but there will still be wear on both surfaces.

I'm sure BBB did the research as did the other companies supplying similar products. After four years I can't notice the wear, I don't know when I will, 20 years? 50? 100? I'm pretty confident (As I'm sure BBB are) that it will be beyond the lifetime of the frame.
 

snailracer

Über Member
It isn't quite like that, the softer material will wear more quickly but there will still be wear on both surfaces. That's why a tungsten carbide cutting tool will still suffer wear even though it is only cutting mild steel.
The wear on the carbide is primarily due to heat - if you sprayed enough lube and cut ridiculously slowly, the carbide would in theory never wear.
The housing wearing the lacquer is IMO due to contaminants (grit, dirt) and very little to do with the hardnesses of the housing or lacquer base material. Which wears faster then depends more on which material "embeds" more contaminants - it is quite possible for a nominally softer material to wear a harder one in this manner, plus by other mechanisms I am not familiar with.
 
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