Indentify this "ferrule"?? lol

Hi Guys,
I have another question about ferrules lol
its the silver one in the below pic....
Now im not sure its a ferrule as such but in fits over the rear brake cable housing and basically allows me to use rear V Brakes rather than disk which was what the cable guide was originally designed for, these little ferrule thingies have sort of converted them to a cable stop.
Does anyone know what these are called so as i can get some nice new ones or is there a better way to convert a guide to a stop?
Cheers
Mark
I have another question about ferrules lol
its the silver one in the below pic....
Now im not sure its a ferrule as such but in fits over the rear brake cable housing and basically allows me to use rear V Brakes rather than disk which was what the cable guide was originally designed for, these little ferrule thingies have sort of converted them to a cable stop.
Does anyone know what these are called so as i can get some nice new ones or is there a better way to convert a guide to a stop?
Cheers
Mark

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http://www.ebay.co.uk/itm/Jagwire-Quali ... 2ec5510085
The Beginner - lol i hope it was just your bike/cables that these didnt fit as i already ordered a bag of 10 lol
if i can get them to fit they will be much neater than whats on there already!!
Thats what the ridge at the back of it is for (they sit in a indentation in the frame and are held on with a cable tie). I suspect they wont work on the frame pictured (you need the silver ferrule pictured, as it's narrow enough for the front to go between the two semicircular raised bits)
Heavier, really?
Flex, potentially. A good length of outer will make a negligable difference anyway, you still have stops on the shifter and the mech. I for one have never had problems running full outers, I have however ran into problems with mud/grit slowing down the return of the mech on a ride.
I doubt it would rub. Hit, yes it could do but I don't think it would do damage...
To stop it from moving around yes but again hardly a noticeable difference if we're talking performance differences.
Of all my experiences with full length outers I haven't experienced problems with compression. I know that it is a possibility but it's an experience I have never had.
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