Jagwire Link - internal routing

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perplex
Posts: 97
Joined: Sat Sep 10, 2011 3:35 pm
Location: Copenhagen

by perplex

Hi all,

A question regarding the Jagwire Link Shift installation when you have a frame with interval wiring.

I have a Boardman SLR frame that needs new cables and I have bought the Jagwire Link set for that purpose. The Links have a nice full length liner around the inner cables

Now the frame is internally cabled and the frame cable stops will not allow the slightly larger liner to pass through.

So question to anyone with Links (other brands with full liner): Have you cut the inner liner at the cable stops, running the inner cable without the liner through the frame OR have you extended/drilled the cable stops the 1 mm needed to run a full liner?

All I have been able to find online is this image of Johny Clarke’s Boardman that runs what looks like a full liner:

Image
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kkibbler
Posts: 905
Joined: Tue Sep 09, 2014 9:30 am

by kkibbler

I have the same set of cables but have not installed them yet. I don't think they are meant to be run with full length liners. Jagwire's tutorial videos show cutting the liners at the external cable stops. I imagine the procedure would be the same for internal routing. The liner is only needed for the link segments.

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dzmlyk
Posts: 14
Joined: Mon Sep 15, 2014 3:52 am

by dzmlyk

I do not think the cables are intended to be run with liners but many people do run the liners at least around the bottom bracket area. IMO this cable routing is a horrible design feature adopted by most every manufacturer for mechanical systems. Without the liners dirt will accumulate on the cables and shifting will degrade. It will become more difficult to upshift due to this drag and downshifts will become less crisp. If you run the liners this will help but eventually they will wear out from the pressure and drag of the cable. The liners are not designed for those kind of loads.

I know several mechanics that have abandoned this system and just run a continuous length of housing from the shifter to the rear derailleur. A few minor modifications are required. Yes, it adds a bunch of weight but they never have to touch it again.

Valbrona
Posts: 1629
Joined: Fri Oct 28, 2011 3:25 am
Location: United Kingdom of Great Britain and Northern Ireland

by Valbrona

Let's say ...

The distance from the cable stop where the RD cable goes into the down tube to the cable stop where it exits at the RH chainstay is 30cm. Well, you use a liner that is a bit shorter, say 26cm.

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