Do I have to use the Jagwire inners as well as outers.

[scotsbikester]

I've got a Jagwire Pro road brake kit. I've had it for ages. I was thinking of putting it (initially) on the rear. It's a cable disc brake with full housing, so the one where compressionless housing might provide the most benefit.

But the bar wrap is fine, and I don't really like rewrapping. The brifters are Ultegra, so washing-line shifter cable. And I have crosstop levers too, with barrel adjusters.

So, and correct me if I'm wrong, I can start the new outers from the cross-top levers, and use the existing inner brake cable, yes? That would avoid having to re-wrap and also having to push the new inner through the fairly tight bend of the existing outers under the bar-wrap.

I assume most of the benefit of compressionless systems comes from the outer?

Thanks.

 

[EckyH]

I can start the new outers from the cross-top levers, and use the existing inner brake cable, yes?

Yes.

I assume most of the benefit of compressionless systems comes from the outer?

You're assuming right.

E.

 

[fossyant]

I would.

 

[Ajax Bay]

It is recommended to use 'compressionless' housing for mechanical disc brake cables - and you imply that "Jagwire Pro road brake kit" outers are this. In which case: all good, and starting from the cross-top levers will still give you the benefit.
The inner cables are 'all the same': stainless steel.