I replaced brake and shifter cables with teflon coated cables on my LWB Tour Easy, made a real difference.

It's like having freshly cleaned and lubed cables all the time, every ride except you never lube them at all.
I periodically remove and clean them, say every other year, but NO lube that attracts dirt.

Mountain Pro Brake | Jagwire

http://jagwire.com/products/v/Mounta..._Teflon_Coated

2750mm was more than long enough... not expensive at all..

If your not riding teflon coated stainless cables your missing out