Sounds worth a try. Maybe a little (insignificant) heavier. As long as it won't corrode it might be the easiest way to go.

> I don't think it would be a problem, Mark. I know more about
> bikes than about kayak rudders, and brake cables are under a lot of
> tension, and never run straight. It occurs to me, too, that bike shops
> may have the tubing in bulk so you could get the length you need if
> an ordinary brake cable length isn't enough. (Actually, you only need
> the tubing where the cable is *not* in a straight run, take a look
> at any bike) I've threaded gear cables through frames often. It's
> not that big a deal. I'll have to try it if I put a rudder on my boat...
>